:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
}

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-secondary);
}

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* ========================================================================== */
/* WORLD'S FIRST AI MORTGAGE CALCULATOR - ENHANCED CSS v26.0               */
/* ALL IMPROVEMENTS: Auto Screen Reader, Simplified Loan Types, Interactive */
/* Timeline, Tabbed Results, Working Payment Schedule, Real AI Insights      */
/* Comprehensive Production Code with All Features Preserved                 */
/* ========================================================================== */

:root {
    /* Inherit design system colors and remove duplicates */
    --usa-blue: rgba(0, 47, 108, 1);
    --usa-red: rgba(179, 25, 66, 1);
    --usa-gold: rgba(255, 193, 7, 1);
    --usa-silver: rgba(192, 192, 192, 1);
    --usa-navy: rgba(0, 32, 91, 1);
}

/* Font Scale Classes for Working Font Controls */
.font-scale-75 { --font-scale: 0.75; }
.font-scale-87 { --font-scale: 0.875; }
.font-scale-100 { --font-scale: 1; }
.font-scale-112 { --font-scale: 1.125; }
.font-scale-125 { --font-scale: 1.25; }

/* Working Font Control Calculated Sizes */
:root {
    --font-scale: 1;
    --font-size-calculated-xs: calc(var(--font-size-xs) * var(--font-scale));
    --font-size-calculated-sm: calc(var(--font-size-sm) * var(--font-scale));
    --font-size-calculated-base: calc(var(--font-size-base) * var(--font-scale));
    --font-size-calculated-lg: calc(var(--font-size-lg) * var(--font-scale));
    --font-size-calculated-xl: calc(var(--font-size-xl) * var(--font-scale));
    --font-size-calculated-2xl: calc(var(--font-size-2xl) * var(--font-scale));
    --font-size-calculated-3xl: calc(var(--font-size-3xl) * var(--font-scale));
    --font-size-calculated-4xl: calc(var(--font-size-4xl) * var(--font-scale));
}

/* Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

html {
    line-height: var(--line-height-normal);
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    transition: background-color var(--duration-normal) var(--ease-standard), color var(--duration-normal) var(--ease-standard);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: var(--space-16);
    left: var(--space-16);
    z-index: var(--z-modal);
    padding: var(--space-12) var(--space-24);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transform: translateY(-200%);
    transition: transform var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
    transform: translateY(0);
}

/* Auto Screen Reader Status */
.auto-reader-status {
    position: fixed;
    top: var(--space-32);
    right: var(--space-16);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
    pointer-events: none;
}

.auto-reader-status.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.auto-reader-content {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12) var(--space-16);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    animation: autoReaderPulse var(--duration-1000) ease-in-out infinite alternate;
}

@keyframes autoReaderPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb, 33, 128, 141), 0.4); }
    100% { transform: scale(1.02); box-shadow: 0 0 0 var(--space-8) rgba(var(--color-primary-rgb, 33, 128, 141), 0); }
}

.auto-reader-icon {
    animation: audioWave var(--duration-1000) ease-in-out infinite;
}

@keyframes audioWave {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.auto-reader-text {
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
}

.auto-reader-close {
    background: none;
    border: none;
    color: var(--color-btn-primary-text);
    cursor: pointer;
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auto-reader-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Enhanced Header with Animation */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--duration-normal) var(--ease-standard);
}

.site-header.scrolled {
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    background: rgba(var(--color-surface-rgb, 255, 255, 253), 0.95);
}

.header-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-16);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 4rem;
    gap: var(--space-16);
    flex-wrap: wrap;
}

/* Animated Header Middle Section with Mortgage Hero */
.header-middle {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
    color: var(--color-btn-primary-text);
    overflow: hidden;
    position: relative;
}

.animated-middle {
    animation: slideInFromTop 700ms var(--ease-standard);
}

@keyframes slideInFromTop {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-middle::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate var(--duration-1000) linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.header-middle-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-12) var(--space-16);
}

.tagline {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-8);
}

.features-quick {
    display: flex;
    justify-content: center;
    gap: var(--space-16);
    flex-wrap: wrap;
}

.feature-quick {
    font-size: var(--font-size-calculated-sm);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    backdrop-filter: blur(5px);
}

/* Enhanced Brand Section */
.brand-section {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--duration-fast) var(--ease-standard);
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.usa-flag {
    font-size: var(--font-size-calculated-2xl);
    animation: flag-wave var(--duration-1000) ease-in-out infinite;
}

@keyframes flag-wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-2deg); }
    75% { transform: rotate(2deg); }
}

.logo-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.logo-main {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    line-height: var(--line-height-tight);
}

.logo-subtitle {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

/* Enhanced Navigation with Animation */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-24);
}

.animated-nav {
    animation: slideInFromRight 500ms var(--ease-standard);
}

@keyframes slideInFromRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-calculated-sm);
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-standard);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration-fast) var(--ease-standard);
}

.nav-link:hover::before {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-secondary);
    transform: translateY(-1px);
}

/* Enhanced Accessibility Controls with Working Animations */
.accessibility-controls {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-standard);
}

.animated-controls {
    animation: slideInFromLeft 500ms var(--ease-standard) 200ms both;
}

@keyframes slideInFromLeft {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.accessibility-controls:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.font-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-right: var(--space-12);
    border-right: 1px solid var(--color-border);
}

.control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    min-width: 2.5rem;
    min-height: 2.5rem;
    padding: var(--space-8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb, 33, 128, 141), 0.1), transparent);
    transition: left var(--duration-normal) var(--ease-standard);
}

.control-btn:hover::before {
    left: 100%;
}

.control-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.control-btn:active {
    transform: translateY(-1px);
}

.control-btn.active {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

/* Working Font Control Animations */
.font-btn:hover .control-icon {
    animation: fontBounce 500ms ease-in-out;
}

@keyframes fontBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Working Theme Button Animation */
.theme-btn.active .theme-icon,
.theme-btn:hover .theme-icon {
    animation: themeRotate 500ms ease-in-out;
}

@keyframes themeRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Working Voice Button Animation */
.voice-btn.active {
    animation: voicePulse var(--duration-1000) ease-in-out infinite;
}

@keyframes voicePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(var(--color-error-rgb, 192, 21, 47), 0.4); }
    50% { box-shadow: 0 0 0 var(--space-8) rgba(var(--color-error-rgb, 192, 21, 47), 0); }
}

.voice-btn.active .voice-icon {
    animation: voiceWave var(--duration-1000) ease-in-out infinite;
}

@keyframes voiceWave {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Working Screen Reader Button Animation */
.reader-btn.active .reader-icon {
    animation: readerBlink var(--duration-1000) ease-in-out infinite;
}

@keyframes readerBlink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.3; }
}

.control-icon,
.control-label {
    font-size: var(--font-size-calculated-xs);
    font-weight: var(--font-weight-semibold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: var(--space-32);
    height: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-standard);
}

.hamburger:nth-child(1) { transform-origin: 0% 0%; }
.hamburger:nth-child(2) { transform-origin: 0% 100%; }

.mobile-menu-toggle:hover .hamburger {
    background: var(--color-primary);
}

/* Main Calculator Layout - Perfect 30-40-30 */
.calculator-main {
    background: var(--color-background);
    min-height: 100vh;
}

.calculator-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--space-32) var(--space-16);
    display: grid;
    grid-template-columns: 30% 40% 30%;
    gap: var(--space-24);
    align-items: start;
}

.input-section,
.results-section,
.sidebar-section {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-24);
    transition: all var(--duration-normal) var(--ease-standard);
}

.input-section:hover,
.results-section:hover,
.sidebar-section:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

/* Section Headers */
.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin-bottom: var(--space-24);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin: 0;
}

.section-icon {
    color: var(--color-primary);
    font-size: var(--font-size-calculated-lg);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-calculated-sm);
    margin: 0;
}

/* Enhanced Form Components */
.form-section {
    margin-bottom: var(--space-32);
}

.subsection-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-20);
    padding: var(--space-16);
    background: linear-gradient(135deg, var(--color-secondary), rgba(var(--color-primary-rgb, 33, 128, 141), 0.05));
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--color-primary);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-32);
    height: var(--space-32);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.subsection-help {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
    font-style: italic;
}

.form-group {
    margin-bottom: var(--space-20);
}

.form-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-8);
}

.label-content {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    font-size: var(--font-size-calculated-sm);
}

.label-icon {
    color: var(--color-primary);
    font-size: var(--font-size-calculated-base);
}

.label-help {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
    font-style: italic;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--space-8);
}

.form-control {
    width: 100%;
    padding: var(--space-12) var(--space-16);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-calculated-base);
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-surface);
    transition: all var(--duration-fast) var(--ease-standard);
    min-height: 3rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
    transform: translateY(-1px);
}

.form-control:hover:not(:focus) {
    border-color: var(--color-primary-hover);
}

.form-control:read-only {
    background-color: var(--color-secondary);
    cursor: not-allowed;
}

.input-prefix,
.input-suffix {
    position: absolute;
    display: flex;
    align-items: center;
    height: calc(100% - 4px);
    padding: 0 var(--space-12);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    background: var(--color-secondary);
    border: 2px solid var(--color-border);
    font-size: var(--font-size-calculated-sm);
    z-index: 1;
    pointer-events: none;
    top: 2px;
}

.input-prefix {
    left: 2px;
    border-right: none;
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.input-suffix {
    right: 2px;
    border-left: none;
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.input-group:has(.input-prefix) .form-control {
    padding-left: calc(var(--space-16) * 2.5);
}

.input-group:has(.input-suffix) .form-control {
    padding-right: calc(var(--space-16) * 2.5);
}

.help-text {
    display: block;
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-4);
}

/* Working Down Payment Synchronization */
.percentage-input {
    margin-top: var(--space-8);
}

.percentage-chips {
    display: flex;
    gap: var(--space-8);
    flex-wrap: wrap;
    margin-top: var(--space-12);
}

.percentage-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) var(--ease-standard);
    min-width: 4rem;
    min-height: 4rem;
    position: relative;
    overflow: hidden;
}

.percentage-chip::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb, 33, 128, 141), 0.1), transparent);
    transition: left var(--duration-normal) var(--ease-standard);
}

.percentage-chip:hover::before {
    left: 100%;
}

.percentage-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.percentage-chip.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    box-shadow: var(--focus-ring);
}

.chip-value {
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.chip-label {
    font-size: var(--font-size-calculated-xs);
    opacity: 0.8;
    margin-top: var(--space-4);
}

/* Enhanced Interest Rate with Live FRED */
.rate-info {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.live-rate-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-calculated-xs);
    padding: var(--space-4) var(--space-8);
    background: var(--color-success);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
}

.live-icon {
    animation: livePulse var(--duration-1000) ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.refresh-rate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-32);
    height: var(--space-32);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.refresh-rate-btn:hover {
    background: var(--color-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: rotate(180deg);
}

.federal-attribution {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-8);
    font-style: italic;
}

/* Simplified Loan Term Chips */
.term-chips-simplified {
    display: flex;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
    flex-wrap: wrap;
    justify-content: space-between;
}

.term-chip {
    flex: 1;
    min-width: 5rem;
    max-width: 6rem;
    padding: var(--space-16);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    text-align: center;
    transition: all var(--duration-fast) var(--ease-standard);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.term-chip:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.term-chip.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    box-shadow: var(--focus-ring);
}

.term-years {
    font-size: var(--font-size-calculated-xl);
    font-weight: var(--font-weight-bold);
}

.term-label {
    font-size: var(--font-size-calculated-sm);
    opacity: 0.8;
}

.custom-term-group {
    margin-top: var(--space-16);
}

.custom-term-label {
    display: block;
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

/* Simplified Loan Type Section */
.loan-type-section {
    background: linear-gradient(135deg, var(--color-secondary), rgba(var(--color-primary-rgb, 33, 128, 141), 0.03));
    padding: var(--space-24);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-24);
}

.loan-type-grid-simplified {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
    margin-top: var(--space-16);
}

.loan-type-btn-simplified {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-16);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    text-align: center;
    transition: all var(--duration-fast) var(--ease-standard);
    min-height: 5rem;
    position: relative;
    overflow: hidden;
}

.loan-type-btn-simplified::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--duration-normal) var(--ease-standard);
}

.loan-type-btn-simplified:hover::before {
    left: 100%;
}

.loan-type-btn-simplified:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.loan-type-btn-simplified.active {
    border-color: var(--color-primary);
    background: var(--color-secondary);
    color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 33, 128, 141), 0.1);
}

.loan-icon-simplified {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.loan-icon-simplified i {
    font-size: var(--font-size-calculated-lg);
    color: var(--color-primary);
}

.loan-content-simplified {
    flex: 1;
}

.loan-title-simplified {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
}

/* Auto-Calculated PMI Status */
.pmi-status {
    margin-top: var(--space-8);
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-calculated-xs);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.pmi-status.active {
    background: rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-bg-opacity));
    color: var(--color-warning);
    border: 1px solid rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.pmi-status.inactive {
    background: rgba(var(--color-success-rgb, 33, 128, 141), var(--status-bg-opacity));
    color: var(--color-success);
    border: 1px solid rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

/* Main Payment Display */
.main-payment-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
    color: var(--color-btn-primary-text);
    padding: var(--space-24);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-24);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main-payment-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: paymentGlow var(--duration-1000) ease-in-out infinite;
}

@keyframes paymentGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-16);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    gap: var(--space-8);
}

.payment-title {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.loan-type-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-btn-primary-text);
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    font-size: var(--font-size-calculated-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.payment-amount {
    position: relative;
    z-index: 1;
}

.payment-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    display: block;
    margin-bottom: var(--space-8);
    line-height: 1.1;
}

.payment-breakdown {
    font-size: var(--font-size-calculated-lg);
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.breakdown-separator {
    margin: 0 var(--space-4);
    opacity: 0.7;
}

/* Tabbed Results Section */
.results-tabs-container {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tab-navigation {
    display: flex;
    background: var(--color-secondary);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-16) var(--space-12);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    white-space: nowrap;
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    transition: width var(--duration-normal) var(--ease-standard);
}

.tab-btn:hover {
    color: var(--color-text);
    background: rgba(var(--color-primary-rgb, 33, 128, 141), 0.05);
}

.tab-btn.active {
    color: var(--color-primary);
    background: var(--color-surface);
    font-weight: var(--font-weight-semibold);
}

.tab-btn.active::after {
    width: 100%;
}

.tab-content {
    min-height: 400px;
}

.tab-panel {
    display: none;
    padding: var(--space-24);
    animation: tabFadeIn 300ms ease-out;
}

.tab-panel.active {
    display: block;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Payment Components Chart Section */
.chart-section.payment-components {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-16);
}

.chart-title {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
}

.chart-container {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Colorful & Attractive Loan Summary */
.loan-summary.colorful {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.summary-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-20);
}

.summary-icon {
    color: var(--color-primary);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-16);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-16);
    border-radius: var(--radius-xl);
    border: 1px solid;
    transition: all var(--duration-fast) var(--ease-standard);
    position: relative;
    overflow: hidden;
}

.summary-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--duration-normal) var(--ease-standard);
}

.summary-item:hover::before {
    left: 100%;
}

.summary-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.summary-item.loan-amount {
    background: linear-gradient(135deg, var(--color-info), var(--color-primary-hover));
    border-color: var(--color-info);
    color: var(--color-btn-primary-text);
}

.summary-item.total-interest {
    background: linear-gradient(135deg, var(--color-warning), #d97706);
    border-color: var(--color-warning);
    color: var(--color-btn-primary-text);
}

.summary-item.total-cost {
    background: linear-gradient(135deg, var(--color-error), #dc2626);
    border-color: var(--color-error);
    color: var(--color-btn-primary-text);
}

.summary-item.payoff-date {
    background: linear-gradient(135deg, var(--color-success), #059669);
    border-color: var(--color-success);
    color: var(--color-btn-primary-text);
}

.summary-item .summary-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.summary-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.summary-label {
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
}

.summary-value {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-bold);
}

/* Interactive Mortgage Timeline Section */
.loan-analysis-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.analysis-header {
    margin-bottom: var(--space-16);
    text-align: center;
}

.analysis-title {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

.chart-subtitle {
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
}

/* Working Year Selector */
.year-selector-section {
    margin: var(--space-20) 0;
}

.year-selector-label {
    display: block;
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-12);
    text-align: center;
}

.year-slider {
    width: 100%;
    height: var(--space-8);
    border-radius: var(--radius-full);
    background: var(--color-border);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: var(--space-16);
}

.year-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: var(--space-24);
    height: var(--space-24);
    border-radius: var(--radius-full);
    background: var(--color-primary);
    cursor: pointer;
    border: 3px solid var(--color-white);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-fast) var(--ease-standard);
}

.year-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

.year-slider::-moz-range-thumb {
    width: var(--space-24);
    height: var(--space-24);
    border-radius: var(--radius-full);
    background: var(--color-primary);
    cursor: pointer;
    border: 3px solid var(--color-white);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-fast) var(--ease-standard);
}

/* Colorful Year Details */
.year-details.colorful {
    text-align: center;
    margin: var(--space-16) 0;
}

.year-title {
    font-size: var(--font-size-calculated-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-16);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-16);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-16);
    border-radius: var(--radius-xl);
    border: 1px solid;
    transition: all var(--duration-fast) var(--ease-standard);
}

.detail-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.detail-item.principal-paid {
    background: linear-gradient(135deg, var(--color-success), #059669);
    border-color: var(--color-success);
    color: var(--color-btn-primary-text);
}

.detail-item.interest-paid {
    background: linear-gradient(135deg, var(--color-warning), #d97706);
    border-color: var(--color-warning);
    color: var(--color-btn-primary-text);
}

.detail-item.remaining-balance {
    background: linear-gradient(135deg, var(--color-info), var(--color-primary-hover));
    border-color: var(--color-info);
    color: var(--color-btn-primary-text);
}

.detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-32);
    height: var(--space-32);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.detail-content {
    flex: 1;
    text-align: left;
}

.detail-label {
    display: block;
    font-size: var(--font-size-calculated-xs);
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
    margin-bottom: var(--space-4);
}

.detail-value {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
}

/* AI-Powered Insights */
.ai-insights-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.insights-header {
    margin-bottom: var(--space-20);
}

.insights-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.insights-icon {
    color: var(--color-primary);
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-calculated-xs);
    padding: var(--space-4) var(--space-8);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    animation: aiPulse var(--duration-1000) ease-in-out infinite alternate;
}

@keyframes aiPulse {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

.insights-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.insight-item {
    padding: var(--space-16);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    transition: all var(--duration-fast) var(--ease-standard);
}

.insight-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.insight-title {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.insight-text {
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text);
    line-height: 1.6;
}

/* Enhanced Payment Schedule with Monthly/Yearly Options */
.payment-schedule-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-20);
    flex-wrap: wrap;
    gap: var(--space-16);
}

.schedule-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0;
}

.schedule-icon {
    color: var(--color-primary);
}

.schedule-options {
    display: flex;
    gap: var(--space-4);
    background: var(--color-secondary);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
}

.schedule-btn {
    padding: var(--space-8) var(--space-16);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.schedule-btn:hover {
    color: var(--color-text);
}

.schedule-btn.active {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    box-shadow: var(--shadow-sm);
}

.schedule-container {
    margin-top: var(--space-16);
}

.schedule-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-calculated-sm);
}

.schedule-table th {
    background: var(--color-secondary);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    text-align: left;
    padding: var(--space-12) var(--space-16);
    border-bottom: 1px solid var(--color-border);
}

.schedule-table td {
    padding: var(--space-12) var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
    color: var(--color-text);
}

.schedule-table tbody tr:hover {
    background: var(--color-secondary);
}

.schedule-loading {
    text-align: center;
    padding: var(--space-32);
    color: var(--color-text-secondary);
    font-style: italic;
}

.schedule-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-16);
    padding: var(--space-16);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-calculated-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn:not(:disabled):hover {
    background: var(--color-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-info {
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

/* Universal Sharing Options */
.sharing-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
}

.sharing-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-16);
}

.sharing-icon {
    color: var(--color-primary);
}

.action-buttons {
    display: flex;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-24);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    text-decoration: none;
    border: 2px solid;
    min-height: 3rem;
}

.action-btn.primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--color-primary);
}

.action-btn.primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-btn.secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.action-btn.secondary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Sponsor Section Styles */
.partner-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
}

.partner-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-16);
    transition: all var(--duration-fast) var(--ease-standard);
}

.partner-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.partner-card.featured {
    background: linear-gradient(135deg, var(--color-secondary), rgba(var(--color-primary-rgb, 33, 128, 141), 0.05));
    border-color: var(--color-primary);
}

.partner-header {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.partner-icon {
    font-size: var(--font-size-calculated-lg);
    color: var(--color-primary);
}

.partner-info {
    flex: 1;
}

.partner-name {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.partner-rating {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.rating-stars {
    color: var(--color-warning);
}

.rating-text {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
}

.partner-rates {
    margin-bottom: var(--space-16);
}

.rate-display {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-12);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
}

.rate-label {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.rate-value {
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.rate-apr {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
}

.partner-cta {
    width: 100%;
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    border: 2px solid;
}

.partner-cta.primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--color-primary);
}

.partner-cta.primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.partner-cta.secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.partner-cta.secondary:hover {
    background: var(--color-secondary);
    transform: translateY(-1px);
}

/* Market Insights */
.market-insights {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-16);
    margin-bottom: var(--space-24);
}

.market-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.market-stat {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--space-32);
    height: var(--space-32);
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    display: block;
}

.stat-value {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.stat-change {
    font-size: var(--font-size-calculated-xs);
    font-weight: var(--font-weight-medium);
    margin-left: var(--space-8);
}

.stat-change.positive {
    color: var(--color-success);
}

.stat-change.negative {
    color: var(--color-error);
}

.stat-change.neutral {
    color: var(--color-text-secondary);
}

/* Advertisement Space */
.ad-space {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-16);
}

.ad-container {
    text-align: center;
}

.ad-label {
    font-size: var(--font-size-calculated-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-8);
}

.ad-title {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

.ad-description {
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-16);
    line-height: 1.5;
}

.ad-cta {
    width: 100%;
    padding: var(--space-12);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.ad-cta:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Voice Modal and Overlays */
.voice-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.voice-modal.show {
    opacity: 1;
    visibility: visible;
}

.voice-modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    animation: modalSlideIn 300ms ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.voice-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-24);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-calculated-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-icon {
    color: var(--color-primary);
}

.modal-close-btn {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast) var(--ease-standard);
}

.modal-close-btn:hover {
    background: var(--color-secondary);
    color: var(--color-text);
}

.voice-modal-body {
    padding: var(--space-24);
}

.voice-instructions {
    color: var(--color-text);
}

.instructions-title {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-16);
}

.command-category {
    margin-bottom: var(--space-16);
}

.category-title {
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-8);
}

.command-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.command-list li {
    padding: var(--space-8) 0;
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.command-list li:last-child {
    border-bottom: none;
}

.voice-modal-footer {
    display: flex;
    gap: var(--space-12);
    padding: var(--space-24);
    border-top: 1px solid var(--color-border);
}

.modal-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    border: 2px solid;
}

.modal-btn.primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--color-primary);
}

.modal-btn.primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.modal-btn.secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.modal-btn.secondary:hover {
    background: var(--color-secondary);
}

/* Enhanced Footer */
.site-footer {
    background: linear-gradient(135deg, var(--usa-navy) 0%, var(--usa-blue) 100%);
    color: var(--color-white);
    padding: var(--space-64) 0 var(--space-32);
    margin-top: var(--space-64);
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-16);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-48);
    margin-bottom: var(--space-48);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-brand-name {
    font-size: var(--font-size-calculated-xl);
    font-weight: var(--font-weight-bold);
}

.footer-brand-tagline {
    font-size: var(--font-size-calculated-sm);
    opacity: 0.9;
}

.footer-description {
    font-size: var(--font-size-calculated-sm);
    line-height: 1.6;
    opacity: 0.9;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-32);
}

.footer-column h4 {
    font-size: var(--font-size-calculated-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-16);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: var(--space-8);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-calculated-sm);
    transition: color var(--duration-fast) var(--ease-standard);
}

.footer-column ul li a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-32);
    text-align: center;
}

.footer-disclaimer {
    margin-bottom: var(--space-24);
}

.footer-disclaimer p {
    font-size: var(--font-size-calculated-xs);
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: var(--space-12);
}

.footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-16);
}

.copyright-left p {
    font-size: var(--font-size-calculated-xs);
    opacity: 0.8;
    margin: 0 0 var(--space-4) 0;
}

.footer-badges {
    display: flex;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.badge {
    font-size: var(--font-size-calculated-xs);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
}

/* Loading Indicator */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-16);
    background: var(--color-surface);
    padding: var(--space-32);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin var(--duration-1000) linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: var(--font-size-calculated-base);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: var(--space-16);
    right: var(--space-16);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.toast {
    padding: var(--space-16) var(--space-24);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-12);
    max-width: 400px;
    animation: toastSlideIn var(--duration-normal) ease-out;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-info);
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success::before {
    background: var(--color-success);
}

.toast.error::before {
    background: var(--color-error);
}

.toast.warning::before {
    background: var(--color-warning);
}

.toast.info::before {
    background: var(--color-info);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-calculated-sm);
    color: var(--color-text);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    background: var(--color-secondary);
    color: var(--color-text);
}

/* Voice Status Indicator */
.voice-status {
    position: fixed;
    top: var(--space-32);
    right: var(--space-16);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-standard);
}

.voice-status.show {
    opacity: 1;
    visibility: visible;
}

.voice-status-content {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12) var(--space-16);
    background: var(--color-error);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    animation: voicePulseStatus var(--duration-1000) ease-in-out infinite;
}

@keyframes voicePulseStatus {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.voice-status-icon {
    animation: voiceWave var(--duration-1000) ease-in-out infinite;
}

.voice-status-text {
    font-size: var(--font-size-calculated-sm);
    font-weight: var(--font-weight-medium);
}

.voice-status-close {
    background: none;
    border: none;
    color: var(--color-btn-primary-text);
    cursor: pointer;
    padding: var(--space-4);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
}

.voice-status-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive Design - Enhanced */
@media (max-width: 1279px) {
    .calculator-container {
        grid-template-columns: 1fr;
        gap: var(--space-24);
    }
    
    .header-middle-content {
        padding: var(--space-8) var(--space-16);
    }
    
    .tagline {
        font-size: var(--font-size-calculated-base);
    }
    
    .features-quick {
        justify-content: center;
        gap: var(--space-8);
    }
}

@media (max-width: 1023px) {
    .header-container {
        min-height: 3.5rem;
        flex-wrap: wrap;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .term-chips-simplified {
        justify-content: center;
    }
    
    .loan-type-grid-simplified {
        grid-template-columns: 1fr 1fr;
    }
    
    .summary-grid,
    .details-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-32);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tab-navigation {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1 1 calc(50% - var(--space-4));
        min-width: 120px;
    }
}

@media (max-width: 767px) {
    .calculator-container {
        padding: var(--space-24) var(--space-12);
    }
    
    .input-section,
    .results-section,
    .sidebar-section {
        padding: var(--space-20);
    }
    
    .payment-value {
        font-size: var(--font-size-3xl);
    }
    
    .payment-breakdown {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .summary-grid,
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .voice-modal-content {
        width: 95%;
    }
    
    .voice-modal-footer {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-copyright {
        flex-direction: column;
        text-align: center;
    }
    
    .percentage-chips {
        justify-content: center;
    }
    
    .schedule-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .accessibility-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .font-controls {
        border-right: none;
        padding-right: var(--space-8);
        border-bottom: 1px solid var(--color-border);
        padding-bottom: var(--space-8);
        margin-bottom: var(--space-8);
    }
    
    .loan-type-grid-simplified {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .tab-btn {
        flex: 1 1 100%;
        font-size: var(--font-size-calculated-xs);
        padding: var(--space-12) var(--space-8);
    }
}

/* Mobile Portrait Responsive Breakpoint (480px) */
@media (max-width: 480px) {
    .header-container {
        padding: 0 var(--space-8);
    }
    
    .calculator-container {
        padding: var(--space-16) var(--space-8);
        gap: var(--space-16);
    }
    
    .input-section,
    .results-section,
    .sidebar-section {
        padding: var(--space-16);
        border-radius: var(--radius-lg);
    }
    
    .section-header {
        margin-bottom: var(--space-16);
        padding-bottom: var(--space-12);
    }
    
    .section-title {
        font-size: var(--font-size-calculated-lg);
        gap: var(--space-8);
    }
    
    .subsection-title {
        font-size: var(--font-size-calculated-base);
        padding: var(--space-12);
    }
    
    .form-group {
        margin-bottom: var(--space-16);
    }
    
    .form-control {
        padding: var(--space-10) var(--space-12);
        min-height: 2.5rem;
    }
    
    .voice-modal-content {
        margin: var(--space-16);
        width: calc(100% - var(--space-32));
        border-radius: var(--radius-lg);
    }
    
    .voice-modal-header,
    .voice-modal-body,
    .voice-modal-footer {
        padding: var(--space-16);
    }
    
    .toast-container {
        left: var(--space-8);
        right: var(--space-8);
    }
    
    .toast {
        max-width: none;
        padding: var(--space-12) var(--space-16);
    }
    
    .term-chips-simplified {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .term-chip {
        min-width: auto;
        max-width: none;
    }
    
    .percentage-chips {
        gap: var(--space-6);
    }
    
    .percentage-chip {
        min-width: 3rem;
        min-height: 3rem;
        padding: var(--space-8);
    }
    
    .main-payment-card {
        padding: var(--space-16);
        margin-bottom: var(--space-16);
    }
    
    .payment-value {
        font-size: var(--font-size-2xl);
    }
    
    .payment-header {
        flex-direction: column;
        align-items: center;
        gap: var(--space-8);
        text-align: center;
    }
    
    .chart-container {
        height: 200px;
    }
    
    .tab-btn {
        padding: var(--space-10) var(--space-6);
        gap: var(--space-4);
    }
    
    .tab-panel {
        padding: var(--space-16);
    }
    
    .schedule-table-wrapper {
        font-size: var(--font-size-xs);
    }
    
    .schedule-table th,
    .schedule-table td {
        padding: var(--space-8) var(--space-6);
    }
    
    .footer-content {
        gap: var(--space-24);
    }
    
    .footer-links {
        gap: var(--space-20);
    }
    
    .site-footer {
        padding: var(--space-32) 0 var(--space-16);
        margin-top: var(--space-32);
    }
    
    .accessibility-controls {
        gap: var(--space-6);
        padding: var(--space-6);
    }
    
    .control-btn {
        min-width: 2rem;
        min-height: 2rem;
        padding: var(--space-6);
    }
    
    .control-icon,
    .control-label {
        font-size: 0.6rem;
    }
}

/* Print Styles */
@media print {
    * {
        background: var(--color-white) !important;
        color: var(--color-black) !important;
        box-shadow: none !important;
    }
    
    .accessibility-controls,
    .voice-modal,
    .sharing-section,
    .sidebar-section,
    .loading-overlay,
    .toast-container,
    .voice-status,
    .auto-reader-status {
        display: none !important;
    }
    
    .calculator-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
    
    .site-header,
    .header-middle {
        position: static;
        box-shadow: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .control-btn {
        border-width: 3px;
    }
    
    .form-control {
        border-width: 3px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Styles for Better Accessibility */
*:focus {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

.control-btn:focus {
    outline-color: var(--color-primary);
    outline-width: 3px;
}

.form-control:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* Utility Classes */
.highlight-update {
    animation: highlightFlash 700ms ease-out;
}

@keyframes highlightFlash {
    0% { background-color: rgba(var(--color-primary-rgb, 33, 128, 141), 0.3); }
    100% { background-color: transparent; }
}

.animate-bounce {
    animation: bounce 500ms ease-in-out;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fade-in {
    animation: fadeIn 300ms ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.focus-within {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 1px rgba(var(--color-primary-rgb, 33, 128, 141), 0.1) !important;
}

/* ========================================================================== */
/* END OF WORLD'S FIRST AI MORTGAGE CALCULATOR - ENHANCED CSS v26.0        */
/* ALL IMPROVEMENTS IMPLEMENTED - PRODUCTION READY WITH ALL FEATURES        */
/* Auto Screen Reader, Simplified Loan Types, Interactive Timeline & Tabs   */
/* ========================================================================== */