: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 */
/* Sanskrit Decoder Pro 2025 - Blue Theme Styles */

:root {
  /* Modern Blue Color Palette */
  --primary-blue: #007BFF;
  --deep-navy: #1C4C74;
  --light-blue: #6CB4E4;
  --steel-blue: #648CAC;
  --slate-gray: #6C757D;
  --cool-silver: #B2B6B0;
  --pure-white: #FFFFFF;
  --soft-white: #F8F9FA;
  --blue-gradient: linear-gradient(135deg, #007BFF 0%, #1C4C74 100%);
  --light-gradient: linear-gradient(135deg, #6CB4E4 0%, #007BFF 100%);
  
  /* Override design system colors for blue theme */
  --color-primary: var(--primary-blue);
  --color-primary-hover: var(--deep-navy);
  --color-primary-active: var(--deep-navy);
  --color-secondary: rgba(124, 180, 228, 0.1);
  --color-secondary-hover: rgba(124, 180, 228, 0.2);
  --color-text: #2C3E50;
  --color-text-secondary: var(--slate-gray);
  --color-background: var(--soft-white);
  --color-surface: var(--pure-white);
  --color-border: rgba(178, 182, 176, 0.3);
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-error: #DC3545;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1A1A1A;
    --color-surface: #2D2D2D;
    --color-text: #E9ECEF;
    --color-text-secondary: #ADB5BD;
    --color-border: rgba(173, 181, 189, 0.2);
  }
}

/* Base Layout */
.app-container {
  display: flex;
  min-height: 100vh;
  background: var(--color-background);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1001;
  background: var(--primary-blue);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
  width: 48px;
  height: 48px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: white;
  border-radius: 1px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.open .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.open .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--blue-gradient);
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 4px 0 20px rgba(0, 123, 255, 0.15);
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: var(--space-32) var(--space-24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.logo-icon {
  font-size: 36px;
  color: white;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.logo-text {
  color: white;
}

.logo-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: white;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.logo-subtitle {
  font-size: var(--font-size-sm);
  margin: var(--space-4) 0 0 0;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.8);
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  padding: var(--space-20) 0;
}

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

.nav-item {
  margin: var(--space-8) var(--space-16);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-base);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transform: translateX(4px);
}

.nav-item.active .nav-link {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: var(--font-weight-medium);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-icon {
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

.nav-text {
  font-size: var(--font-size-base);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-20);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-status-sidebar {
  display: flex;
  justify-content: center;
}

.ai-indicator-sidebar {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-16);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

.ai-text-sidebar {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: white;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-24) var(--space-32);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left .page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  background: var(--blue-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-left .page-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: var(--space-4) 0 0 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-20);
}

/* AI Status Indicator */
.ai-status {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.ai-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-16);
  background: var(--color-surface);
  border: 2px solid var(--color-success);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.15);
}

.ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s infinite;
}

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

.ai-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-success);
}

.notification-btn {
  position: relative;
  background: none;
  border: none;
  padding: var(--space-12);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard);
}

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

.notification-icon {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

.notification-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--primary-blue);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* Content Sections */
.content-sections {
  flex: 1;
  padding: var(--space-32);
  background: var(--color-background);
}

.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

/* Section Navigation */
.section-nav {
  margin-bottom: var(--space-24);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  padding: var(--space-8) var(--space-16);
}

.back-btn:hover {
  background: var(--color-secondary);
  transform: translateX(-2px);
}

/* Hero Section */
.hero-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--blue-gradient);
  color: white;
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-32);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: float 20s linear infinite;
}

@keyframes float {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-16) 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  margin: 0 0 var(--space-24) 0;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: var(--space-16);
}

.hero-btn {
  min-width: 160px;
}

.hero-actions .btn--primary {
  background: white;
  color: var(--primary-blue);
  border: 2px solid white;
}

.hero-actions .btn--primary:hover {
  background: transparent;
  color: white;
}

.hero-actions .btn--outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero-actions .btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.hero-graphic {
  position: relative;
  z-index: 1;
}

.ai-visualization {
  display: flex;
  gap: var(--space-16);
}

.ai-node {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  position: relative;
  animation: aiPulse 3s ease-in-out infinite;
}

.ai-node:nth-child(1) { animation-delay: 0s; }
.ai-node:nth-child(2) { animation-delay: 1s; }
.ai-node:nth-child(3) { animation-delay: 2s; }

@keyframes aiPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.metric-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  display: flex;
  align-items: center;
  gap: var(--space-20);
  box-shadow: 0 4px 20px rgba(0, 123, 255, 0.08);
  border: 1px solid rgba(0, 123, 255, 0.1);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 123, 255, 0.15);
}

.metric-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: var(--light-gradient);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.metric-content {
  flex: 1;
}

.metric-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-8) 0;
  color: var(--color-text);
}

.metric-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-8) 0;
}

.metric-change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-success);
  background: rgba(40, 167, 69, 0.1);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
}

/* Section Titles */
.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-24) 0;
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-24) 0;
}

/* Quick Actions */
.quick-actions-section {
  margin-bottom: var(--space-32);
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-20);
}

.action-card {
  background: var(--color-surface);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  text-decoration: none;
  color: inherit;
}

.action-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 123, 255, 0.2);
}

.action-icon {
  font-size: 48px;
  margin-bottom: var(--space-16);
  opacity: 0.8;
}

.action-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-8) 0;
  color: var(--color-text);
}

.action-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Activity Timeline */
.activity-section {
  margin-bottom: var(--space-32);
}

.activity-timeline {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.08);
}

.activity-item {
  display: flex;
  align-items: center;
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-fast) var(--ease-standard);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item:hover {
  background: var(--color-secondary);
  border-radius: var(--radius-base);
}

.activity-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  background: var(--light-gradient);
  color: white;
  margin-right: var(--space-16);
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
}

.activity-time {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.activity-status {
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.activity-status.completed {
  background: rgba(40, 167, 69, 0.15);
  color: var(--color-success);
}

/* Upload Section */
.upload-section {
  max-width: 800px;
  margin: 0 auto;
}

.upload-area {
  border: 3px dashed var(--primary-blue);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  text-align: center;
  margin-bottom: var(--space-24);
  background: rgba(0, 123, 255, 0.02);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
}

.upload-area:hover {
  border-color: var(--deep-navy);
  background: rgba(0, 123, 255, 0.05);
}

.upload-area.dragover {
  border-color: var(--deep-navy);
  background: rgba(0, 123, 255, 0.1);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 64px;
  color: var(--primary-blue);
  margin-bottom: var(--space-16);
}

.upload-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-8) 0;
  color: var(--color-text);
}

.upload-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-16) 0;
}

.supported-formats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.format-tag {
  background: var(--primary-blue);
  color: white;
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* AI Detection */
.ai-detection {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
  border: 1px solid var(--color-border);
}

.detection-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
}

.detection-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-16);
}

.detection-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detection-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.detection-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--primary-blue);
}

/* Upload Actions */
.upload-actions {
  display: flex;
  gap: var(--space-16);
  justify-content: center;
}

/* Processing Dashboard */
.processing-dashboard {
  max-width: 1000px;
  margin: 0 auto;
}

.ai-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.status-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

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

.status-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text);
}

.status-indicator {
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
}

.status-indicator.active {
  background: rgba(40, 167, 69, 0.15);
  color: var(--color-success);
}

.status-indicator.standby {
  background: rgba(255, 193, 7, 0.15);
  color: var(--color-warning);
}

.status-indicator.ready {
  background: rgba(0, 123, 255, 0.15);
  color: var(--primary-blue);
}

.status-progress {
  margin-bottom: var(--space-16);
}

.progress-bar {
  height: 8px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-8);
}

.progress-fill {
  height: 100%;
  background: var(--blue-gradient);
  border-radius: var(--radius-full);
  transition: width 0.5s var(--ease-standard);
}

.progress-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Processing Stages */
.processing-stages {
  margin-bottom: var(--space-32);
}

.stages-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-16);
  border-radius: var(--radius-base);
  transition: all var(--duration-normal) var(--ease-standard);
}

.stage.active {
  background: rgba(40, 167, 69, 0.1);
}

.stage.processing {
  background: rgba(255, 193, 7, 0.1);
  animation: processingPulse 2s infinite;
}

@keyframes processingPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.stage.pending {
  opacity: 0.5;
}

.stage-icon {
  font-size: var(--font-size-xl);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-gradient);
  color: white;
}

.stage-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.stage-arrow {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

/* Confidence Scores */
.confidence-scores {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

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

.confidence-item {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.confidence-label {
  min-width: 180px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.confidence-bar {
  flex: 1;
  height: 12px;
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  background: var(--blue-gradient);
  border-radius: var(--radius-full);
  transition: width 1s var(--ease-standard);
}

.confidence-value {
  min-width: 50px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
  text-align: right;
}

/* Translation Interface */
.translation-interface {
  max-width: 1200px;
  margin: 0 auto;
}

.translation-controls {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-20);
  margin-bottom: var(--space-24);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

.language-selector {
  flex: 1;
  max-width: 300px;
}

.translation-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.translation-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

.panel-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-16) 0;
  color: var(--color-text);
}

.text-content {
  min-height: 200px;
  font-size: var(--font-size-lg);
  line-height: 1.6;
  color: var(--color-text);
}

.original .text-content {
  font-family: 'Noto Sans Devanagari', serif;
}

.text-confidence {
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--primary-blue);
  font-weight: var(--font-weight-medium);
}

/* AI Gap Recovery */
.ai-gap-recovery {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-32);
  border: 1px solid var(--color-border);
}

.gap-info {
  display: flex;
  gap: var(--space-32);
  margin-bottom: var(--space-20);
}

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

.gap-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.gap-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-blue);
}

.gap-suggestions {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-20);
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-16);
  background: rgba(0, 123, 255, 0.02);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-12);
}

.suggestion-original,
.suggestion-ai {
  flex: 1;
  font-family: 'Noto Sans Devanagari', serif;
  font-size: var(--font-size-base);
}

.suggestion-original {
  color: var(--color-text-secondary);
  text-decoration: line-through;
}

.suggestion-ai {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.suggestion-actions {
  display: flex;
  gap: var(--space-8);
}

/* Export Options */
.export-options {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

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

.export-btn {
  min-width: 150px;
}

/* Analytics Dashboard */
.analytics-dashboard {
  max-width: 1200px;
  margin: 0 auto;
}

.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.chart-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-20) 0;
  color: var(--color-text);
}

.chart-container canvas {
  max-height: 300px;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-20);
}

.summary-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.1);
}

.summary-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-8) 0;
}

.summary-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
}

/* History Section */
.history-section {
  max-width: 1000px;
  margin: 0 auto;
}

.history-table {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.history-item {
  display: grid;
  grid-template-columns: 1fr 150px 120px 100px 80px;
  align-items: center;
  padding: var(--space-16) var(--space-20);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-fast) var(--ease-standard);
}

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

.history-item:last-child {
  border-bottom: none;
}

.history-filename {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.history-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.history-language {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.history-accuracy {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-success);
}

.history-actions {
  display: flex;
  gap: var(--space-8);
}

/* Settings Section */
.settings-section {
  max-width: 800px;
  margin: 0 auto;
}

.settings-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.setting-group {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid var(--color-border);
}

.group-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-20) 0;
  color: var(--color-text);
}

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

.model-option {
  display: flex;
  align-items: center;
}

.model-option input[type="radio"] {
  margin-right: var(--space-12);
  accent-color: var(--primary-blue);
}

.model-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  cursor: pointer;
}

.model-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.model-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.quality-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  outline: none;
  margin: var(--space-12) 0;
  accent-color: var(--primary-blue);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Toast */
.toast {
  position: fixed;
  bottom: var(--space-24);
  right: var(--space-24);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 123, 255, 0.15);
  border: 1px solid var(--color-border);
  min-width: 320px;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.toast.show {
  transform: translateX(0);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-16);
}

.toast-icon {
  font-size: var(--font-size-lg);
  color: var(--color-success);
}

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

.toast-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-standard);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
  }
  
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .translation-workspace {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .actions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content-sections {
    padding: var(--space-16);
  }
  
  .app-header {
    padding: var(--space-16);
    flex-direction: column;
    gap: var(--space-16);
    align-items: stretch;
  }
  
  .hero-section {
    flex-direction: column;
    gap: var(--space-24);
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .stages-flow {
    flex-direction: column;
    gap: var(--space-12);
  }
  
  .stage-arrow {
    transform: rotate(90deg);
  }
  
  .translation-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .history-item {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .metrics-grid {
    gap: var(--space-16);
  }
  
  .metric-card {
    padding: var(--space-16);
    flex-direction: column;
    text-align: center;
  }
  
  .gap-info {
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .suggestion-item {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-12);
  }
  
  .export-buttons {
    flex-direction: column;
  }
}