: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;
  --color-primary-rgb: 33, 128, 141; /* Alias for teal-500 */

  /* 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);
}

/* Dark mode - Schedule Table */
@media (prefers-color-scheme: dark) {
  .schedule-table {
    background: #1f2937 !important;
  }
  
  .schedule-table tbody td {
    background: #1f2937 !important;
    border-bottom-color: #374151 !important;
    color: #e5e7eb !important;
  }
  
  .schedule-table tbody tr:nth-child(even) td {
    background: #111827 !important;
  }
  
  .schedule-table td.schedule-sno {
    color: #d1d5db !important;
  }
  
  .schedule-table td.schedule-time {
    color: #22d3ee !important;
    font-weight: 600 !important;
  }
  
  .schedule-table td.schedule-topic {
    color: #f3f4f6 !important;
  }
  
  .schedule-table tr.break td {
    background: #2d3748 !important;
    color: #d1d5db !important;
  }
  
  .schedule-table tr.break td.schedule-time {
    color: #9ca3af !important;
  }
  
  .schedule-table tr.break td.schedule-topic {
    color: #d1d5db !important;
  }
  
  .schedule-day {
    background: #1f2937 !important;
    border-color: #374151 !important;
  }
  
  .schedule-day h3 {
    background: var(--color-primary);
    color: white !important;
  }
  
  .schedule-table thead th {
    background: var(--color-primary);
    color: white !important;
    border-bottom-color: rgba(255, 255, 255, 0.2) !important;
  }
}

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

/* END PERPLEXITY DESIGN SYSTEM */
/* Navigation Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--duration-normal) var(--ease-standard);
}

.nav-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-16);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-brand h3 {
  color: var(--color-primary);
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.nav-brand p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.nav-menu {
  display: flex;
  gap: var(--space-24);
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger .bar {
  width: 25px;
  height: 3px;
  background-color: var(--color-text);
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-3));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-32) var(--space-16);
  margin-top: 70px;
  position: relative;
}

/* Hero Logos */
.hero-logos {
  position: absolute;
  top: var(--space-32);
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-32);
  z-index: 1;
}

.hero-logo-left,
.hero-logo-right {
  flex: 0 0 auto;
}

.hero-logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  background: transparent;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Registration status badge above the hero title */
.registration-closed {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
  font-size: 40px;
  margin-bottom: var(--space-8);
  text-align: center;
}

.hero-badge {
  margin-bottom: var(--space-16);
}

.hero h1 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
  color: var(--color-text);
  margin-bottom: var(--space-16);
  line-height: var(--line-height-tight);
}

.hero h2 {
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-bold);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-24);
  font-weight: var(--font-weight-medium);
}

.hero-details {
  display: flex;
  gap: var(--space-32);
  justify-content: center;
  margin-bottom: var(--space-32);
  flex-wrap: wrap;
}

.hero-date,
.hero-location {
  color: var(--color-text);
  font-size: var(--font-size-base);
}

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

/* Section Styles */
.section {
  padding: var(--space-32) 0;
}

.section-alt {
  background-color: var(--color-bg-1);
}

.section-title {
  text-align: center;
  color: var(--color-text);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-32);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-32);
  align-items: start;
}

.about-description h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-16);
  margin-top: var(--space-24);
}

.about-description p,
.about-description li {
  color: var(--color-text);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-16);
}

.about-description ul {
  margin-left: var(--space-20);
}

.target-audience .card {
  height: 100%;
}

.target-audience h3,
.target-audience h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-12);
}

/* Topics Section */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-20);
}

.topic-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
  cursor: default;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.topic-icon {
  font-size: 2rem;
  margin-bottom: var(--space-12);
}

.topic-card h3 {
  color: var(--color-text);
  font-size: var(--font-size-base);
  margin: 0;
}

/* Faculty Section */
.faculty-section {
  margin-bottom: var(--space-32);
}

.faculty-section h3 {
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-20);
  text-align: center;
}

.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-20);
}

.faculty-card h4 {
  color: var(--color-text);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

.faculty-role {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

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

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

.residents-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
}

.residents-list p {
  color: var(--color-text);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.residents-list p:last-child {
  margin-bottom: 0;
}

/* Resource Personnel Section */
.resource-personnel-intro {
  text-align: center;
  margin-bottom: var(--space-32);
  padding: var(--space-20);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.resource-personnel-intro p {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
}

/* Schedule Section */
.schedule-container {
  max-width: 1000px;
  margin: 0 auto;
}

.schedule-day {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-32);
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.schedule-day h3 {
  background: linear-gradient(135deg, #1e293b, #374151);
  color: white;
  margin: 0;
  padding: var(--space-20) var(--space-24);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  border-bottom: 3px solid var(--color-primary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.schedule-day h3::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* Table-based schedule styles */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0;
  font-size: 0.95rem;
  background: white;
}

.schedule-table thead th {
  background: var(--color-primary);
  color: white;
  text-align: left;
  padding: var(--space-16) var(--space-20);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.schedule-table thead th:first-child {
  width: 80px;
}

.schedule-table thead th:nth-child(2) {
  width: 180px;
}

.schedule-table tbody td {
  padding: var(--space-24) var(--space-20);
  border-bottom: 1px solid #f0f0f0;
  vertical-align: top;
  background: white;
}

.schedule-table tbody tr:first-child td {
  padding-top: var(--space-24);
}

.schedule-table tbody tr:last-child td {
  border-bottom: none;
  padding-bottom: var(--space-24);
}

.schedule-table tbody tr:nth-child(even) td {
  background: #fafafa;
}

.schedule-table td.schedule-sno {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  width: 80px;
}

.schedule-table td.schedule-time {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  width: 180px;
}

.schedule-table td.schedule-topic {
  color: var(--color-text);
  line-height: 1.5;
}

.schedule-table tr.break td {
  background: #e8f4fd !important;
  font-style: italic;
  color: var(--color-text-secondary);
}

.schedule-table tr.break td.schedule-time {
  color: var(--color-text-secondary);
}

/* Ensure thead is visible on desktop */
@media (min-width: 769px) {
  .schedule-table thead {
    display: table-header-group !important;
  }
  
  .schedule-table tbody {
    display: table-row-group !important;
  }
  
  .schedule-table tr {
    display: table-row !important;
  }
  
  .schedule-table td,
  .schedule-table th {
    display: table-cell !important;
  }
}

/* speaker column removed; .schedule-speaker styles deleted */

/* legacy grid break style removed (handled in table styles) */

/* Registration Section */
.registration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-24);
  max-width: 800px;
  margin: 0 auto;
}

.fee-structure {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
  margin: var(--space-20) 0;
}

.fee-category {
  padding: var(--space-16);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: all var(--duration-normal) var(--ease-standard);
}

.fee-category:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.fee-category h4 {
  margin: 0 0 var(--space-12) 0;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.fee-amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: var(--space-8) 0;
}

.registration-action {
  text-align: center;
  margin: var(--space-24) 0 var(--space-16) 0;
}

.registration-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-32);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: 0 4px 12px rgba(var(--color-teal-500-rgb), 0.3);
  border-radius: var(--radius-lg);
  min-width: 180px;
  text-decoration: none;
}

.registration-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--color-teal-500-rgb), 0.4);
  text-decoration: none;
}

.fee-note {
  color: var(--color-warning);
  font-style: italic;
  margin-bottom: var(--space-16);
}

.payment-info p {
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.payment-info strong {
  color: var(--color-text);
}

/* Location and Contact Sections */
.accommodation-info {
  max-width: 800px;
  margin: 0 auto var(--space-32) auto;
  padding: var(--space-20);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.05), rgba(var(--color-primary-rgb), 0.1));
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  text-align: center;
}

.accommodation-info p {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
}

.accommodation-info a[href^="tel:"] {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
}

.accommodation-info a[href^="tel:"]:hover {
  text-decoration: underline;
}

.location-info,
.contact-info {
  max-width: 600px;
  margin: 0 auto;
}

.venue-card h3,
.contact-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-16);
}

.contact-card a {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  background-color: var(--color-slate-900);
  color: var(--color-gray-200);
  padding: var(--space-32) 0 var(--space-16);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-24);
}

.footer-brand h4,
.footer-contact h4 {
  color: var(--color-teal-300);
  margin-bottom: var(--space-16);
}

.footer-brand p,
.footer-contact p {
  color: var(--color-gray-300);
  margin-bottom: var(--space-8);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-400);
  padding-top: var(--space-16);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-gray-400);
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Responsive Design */
/* Global mobile optimizations */
@media (max-width: 640px) {
  /* Improve scroll performance on mobile */
  * {
    -webkit-overflow-scrolling: touch;
  }
  
  /* Optimize font rendering */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
  }
  
  /* Prevent horizontal scroll */
  body {
    overflow-x: hidden;
  }
  
  /* Improve image performance */
  img {
    max-width: 100%;
    height: auto;
  }
}

/* Tablet optimizations */
@media (max-width: 768px) and (min-width: 641px) {
  .schedule-table {
    font-size: var(--font-size-sm);
  }
  
  .schedule-table thead th {
    padding: var(--space-12) var(--space-16);
    font-size: var(--font-size-xs);
  }
  
  .schedule-table tbody td {
    padding: var(--space-16) var(--space-14);
  }
  
  .schedule-table td.schedule-sno {
    width: 60px;
    text-align: center;
  }
  
  .schedule-table td.schedule-time {
    width: 140px;
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 640px) {
  /* Force mobile table layout - complete reset */
  .schedule-table,
  .schedule-table * {
    box-sizing: border-box !important;
  }
  
  .schedule-table {
    display: block !important;
    width: 100% !important;
    table-layout: auto !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    border: none !important;
    background: transparent !important;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--color-surface);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-20) 0;
    gap: var(--space-20);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-logos {
    position: static;
    padding: 0 var(--space-16);
    margin-bottom: var(--space-24);
  }

  .hero-logo-img {
    height: 60px;
  }

  .hero-details {
    flex-direction: column;
    gap: var(--space-16);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-24);
  }

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

  .faculty-grid {
    grid-template-columns: 1fr;
  }

  /* Responsive stacked schedule - Complete mobile redesign */
  .schedule-table {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
  }
  
  .schedule-table thead { 
    display: none !important; 
  }
  
  .schedule-table,
  .schedule-table tbody,
  .schedule-table tr,
  .schedule-table td { 
    display: block !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .schedule-table tbody {
    display: block !important;
  }
  
  /* Each row becomes a card */
  .schedule-table tr { 
    display: block !important;
    margin: 0 0 var(--space-16) 0 !important;
    background: white !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15) !important;
    overflow: hidden !important;
    border: 1px solid #e2e8f0 !important;
    position: relative !important;
  }
  
  /* Hide S.No completely on mobile */
  .schedule-table td.schedule-sno {
    display: none !important;
  }
  
  /* Time header for each card */
  .schedule-table td.schedule-time {
    display: block !important;
    background: var(--color-primary) !important;
    color: white !important;
    font-weight: var(--font-weight-bold) !important;
    font-size: var(--font-size-sm) !important;
    letter-spacing: 0.05em !important;
    text-transform: uppercase !important;
    padding: var(--space-14) var(--space-16) !important;
    margin: 0 !important;
    text-align: center !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  /* Topic content for each card */
  .schedule-table td.schedule-topic { 
    display: block !important;
    background: white !important;
    padding: var(--space-16) !important;
    color: var(--color-text) !important;
    font-size: var(--font-size-sm) !important;
    line-height: 1.6 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    text-align: left !important;
  }
  
  /* Special styling for break rows */
  .schedule-table tr.break td.schedule-time {
    background: linear-gradient(135deg, #64748b, #475569) !important;
    color: white !important;
  }
  
  .schedule-table tr.break td.schedule-topic { 
    background: linear-gradient(135deg, #f8fafc, #f1f5f9) !important;
    font-style: italic !important;
    color: var(--color-text-secondary) !important;
  }
  
  /* Ensure no table styling leaks through */
  .schedule-table tr {
    border-collapse: separate !important;
    border-spacing: 0 !important;
  }
  
  .schedule-table td {
    border: none !important;
    vertical-align: top !important;
    border-collapse: separate !important;
  }
  
  /* Container adjustments for mobile */
  .schedule-container {
    padding: 0 var(--space-8) !important;
  }
  
  .schedule-day {
    margin-bottom: var(--space-24) !important;
    border-radius: var(--radius-lg) !important;
    overflow: visible !important;
  }
  
  /* Override any remaining table styles */
  @supports (display: block) {
    .schedule-table {
      display: block !important;
    }
    
    .schedule-table thead,
    .schedule-table tbody,
    .schedule-table tr,
    .schedule-table td {
      display: block !important;
    }
    
    .schedule-table thead {
      display: none !important;
    }
  }

  .registration-grid {
    grid-template-columns: 1fr;
  }

  .fee-structure {
    gap: var(--space-16);
  }

  .fee-category {
    padding: var(--space-12);
  }

  .fee-category h4 {
    font-size: var(--font-size-md);
  }

  .fee-amount {
    font-size: var(--font-size-2xl);
  }

  .registration-action {
    margin: var(--space-20) 0 var(--space-12) 0;
  }

  .registration-btn {
    padding: var(--space-14) var(--space-24);
    font-size: var(--font-size-md);
    width: 100%;
    max-width: 280px;
  }

  .residents-grid {
    grid-template-columns: 1fr;
  }

  /* Accommodation Section Mobile */
  .accommodation-info {
    margin: 0 auto var(--space-24) auto;
    padding: var(--space-16);
    text-align: left;
  }

  .accommodation-info p {
    font-size: var(--font-size-sm);
  }

  /* Contact Section Mobile */
  .contact-info {
    max-width: 100%;
    margin: 0;
  }

  .contact-card {
    margin-bottom: var(--space-20);
    padding: var(--space-16);
  }

  .contact-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-12);
  }

  .contact-card p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-8);
  }

  /* Footer Mobile */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-24);
  }

  .footer-brand,
  .footer-contact {
    margin-bottom: var(--space-20);
  }

  .footer-brand h4,
  .footer-contact h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-12);
  }

  .footer-brand p,
  .footer-contact p {
    font-size: var(--font-size-sm);
  }

  /* Navigation Mobile Improvements */
  .nav-brand h3 {
    font-size: var(--font-size-lg);
  }

  .nav-brand p {
    font-size: var(--font-size-xs);
  }

  .nav-link {
    padding: var(--space-12) 0;
    font-size: var(--font-size-base);
  }

  /* Resource Personnel Mobile */
  .resource-personnel-intro {
    margin-bottom: var(--space-24);
    padding: var(--space-16);
  }

  .resource-personnel-intro p {
    font-size: var(--font-size-base);
  }

  /* About Section Mobile Improvements */
  .about-description {
    padding: var(--space-16);
  }

  .about-description h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-12);
  }

  .about-description p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
  }

  .about-description ul {
    padding-left: var(--space-16);
  }

  .about-description li {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
  }

  /* Payment Details Mobile */
  .payment-info p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--space-12);
  }

  .hero {
    padding: var(--space-20) var(--space-12);
  }

  .hero-logos {
    padding: 0 var(--space-12);
    margin-bottom: var(--space-20);
  }

  .hero-logo-img {
    height: 50px;
  }

  .container {
    padding-left: var(--space-12);
    padding-right: var(--space-12);
  }

  .section {
    padding: var(--space-24) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-24);
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
  }

  .hero h2 {
    font-size: var(--font-size-xl);
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

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

  /* Ultra-small screen optimizations */
  .accommodation-info {
    padding: var(--space-12);
    margin-bottom: var(--space-16);
  }

  .accommodation-info p {
    font-size: 0.75rem;
  }

  .contact-card {
    padding: var(--space-12);
  }

  .contact-card h3 {
    font-size: var(--font-size-base);
  }

  .contact-card p {
    font-size: 0.75rem;
  }

  .footer {
    padding: var(--space-16) 0;
  }

  .footer-content {
    gap: var(--space-16);
  }

  .footer-brand h4,
  .footer-contact h4 {
    font-size: var(--font-size-base);
  }

  .footer-brand p,
  .footer-contact p {
    font-size: 0.75rem;
  }

  .footer-bottom p {
    font-size: 0.65rem;
  }

  /* Navigation brand smaller */
  .nav-brand h3 {
    font-size: var(--font-size-base);
  }

  .nav-brand p {
    font-size: 0.65rem;
  }

  /* About section optimizations */
  .about-description h3 {
    font-size: var(--font-size-base);
  }

  .about-description p,
  .about-description li {
    font-size: 0.75rem;
  }

  /* Resource personnel */
  .resource-personnel-intro p {
    font-size: var(--font-size-sm);
  }

  .faculty-card h4 {
    font-size: var(--font-size-sm);
  }

  .faculty-position {
    font-size: 0.75rem;
  }

  /* Card improvements */
  .card {
    padding: var(--space-12);
  }

  .card__body {
    padding: var(--space-12);
  }

  /* Link improvements for touch */
  a[href^="tel:"],
  a[href^="mailto:"] {
    display: inline-block;
    padding: var(--space-4) var(--space-6);
    margin: var(--space-2) 0;
    border-radius: var(--radius-sm);
    background-color: rgba(var(--color-primary-rgb), 0.1);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
  }

  a[href^="tel:"]:hover,
  a[href^="mailto:"]:hover {
    background-color: rgba(var(--color-primary-rgb), 0.2);
  }

  /* Extra mobile optimizations for schedule */
  .schedule-day h3 {
    font-size: var(--font-size-lg);
    padding: var(--space-16) var(--space-20);
  }
  
  .schedule-container {
    margin: 0 -var(--space-12);
  }
  
  .schedule-day {
    margin-bottom: var(--space-24);
    border-radius: var(--radius-md);
  }
  
  .schedule-table tr {
    margin-bottom: var(--space-16);
  }
  
  .schedule-table td.schedule-time {
    font-size: 0.75rem;
    padding: var(--space-10) var(--space-16);
  }
  
  .schedule-table td.schedule-topic {
    padding: var(--space-14) var(--space-16);
    font-size: var(--font-size-sm);
  }
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Mobile Touch Improvements */
@media (max-width: 640px) {
  /* Improve touch targets */
  .btn,
  .nav-link,
  a[href^="tel:"],
  a[href^="mailto:"] {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Prevent text zoom on iOS */
  input,
  select,
  textarea {
    font-size: 16px;
  }
}

/* Accessibility and Performance */
/* Reduce motion for users who prefer it */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn--primary {
    border: 2px solid var(--color-text);
  }
  
  .topic-card,
  .card {
    border: 2px solid var(--color-text);
  }
}

/* Focus styles for accessibility */
.nav-link:focus-visible,
.btn:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Animation for cards */
.card,
.topic-card {
  transition: all var(--duration-normal) var(--ease-standard);
}

.card:hover {
  transform: translateY(-2px);
}

/* Status indicator adjustments */
.status--info {
  background-color: rgba(var(--color-info-rgb), 0.1);
  color: var(--color-info);
  border: 1px solid rgba(var(--color-info-rgb), 0.2);
}

/* Navbar scroll effect */
.navbar.scrolled {
  background-color: rgba(var(--color-surface), 0.95);
  backdrop-filter: blur(10px);
}

/* ===============================================
   SUBTLE ANIMATIONS AND INTERACTIONS
   =============================================== */

/* Keyframe Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

/* Logo Animations */
.hero-logo-img {
  animation: float 6s ease-in-out infinite;
  transition: transform 0.3s ease;
}

.hero-logo-left .hero-logo-img {
  animation-delay: 0s;
}

.hero-logo-right .hero-logo-img {
  animation-delay: 1s;
}

.hero-logo-img:hover {
  transform: scale(1.1) rotate(5deg);
}

/* Section Animations */
.section {
  animation: fadeInUp 0.8s ease-out;
}

.section:nth-child(even) {
  animation: fadeInLeft 0.8s ease-out;
}

.section:nth-child(odd) {
  animation: fadeInRight 0.8s ease-out;
}

/* Hero Content Animation */
.hero-content h1 {
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-content h2 {
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-subtitle {
  animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-details {
  animation: fadeInUp 1s ease-out 1.2s both;
}

.hero-actions {
  animation: fadeInUp 1s ease-out 1.5s both;
}

/* Navigation Animations */
.nav-brand {
  animation: fadeInLeft 0.8s ease-out;
}

.nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* Card Animations */
.card {
  transition: all 0.4s ease;
  opacity: 1;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* Topic Card Animations */
.topic-card {
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.topic-card:hover::before {
  left: 100%;
}

.topic-card:hover {
  transform: translateY(-6px) rotateY(5deg);
  box-shadow: 0 15px 35px rgba(var(--color-primary-rgb), 0.2);
}

.topic-icon {
  transition: all 0.3s ease;
}

.topic-card:hover .topic-icon {
  transform: scale(1.3) rotateZ(10deg);
}

/* Button Animations */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn::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 0.6s ease;
}

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

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.3);
}

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

/* Faculty Card Animations */
.faculty-card {
  transition: all 0.4s ease;
}

.faculty-card:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* Schedule Day Animations */
.schedule-day {
  transition: all 0.3s ease;
}

.schedule-day:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Section Title Animations */
.section-title {
  position: relative;
  animation: fadeInUp 0.8s ease-out;
}

/* Registration Button Special Animation */
.registration-btn {
  animation: pulse 2s infinite;
}

.registration-btn:hover {
  animation: none;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 35px rgba(var(--color-primary-rgb), 0.4);
}

/* Accommodation Info Animation */
.accommodation-info {
  animation: fadeInUp 1s ease-out 0.3s both;
  transition: all 0.3s ease;
}

.accommodation-info:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.15);
}

/* Image Hover Effects */
img {
  transition: all 0.3s ease;
}

img:hover {
  filter: brightness(1.1) contrast(1.1);
}

/* Smooth scroll enhancement */
html {
  scroll-behavior: smooth;
}

/* Link hover animations */
a:not(.btn):not(.nav-link) {
  position: relative;
  transition: color 0.3s ease;
}

a:not(.btn):not(.nav-link):hover {
  color: var(--color-primary);
}

/* Mobile scroll animation optimization */
@media (max-width: 640px) {
  .hero-logo-img {
    animation: none;
  }
  
  .topic-card::before,
  .btn::before {
    display: none;
  }
  
  .topic-card:hover {
    transform: translateY(-3px);
  }
  
  .card:hover {
    transform: translateY(-4px);
  }
}

/* Dark mode for mobile schedule tables */
@media (max-width: 640px) and (prefers-color-scheme: dark) {
  .schedule-table {
    background: transparent !important;
  }
  
  /* Each row card in dark mode */
  .schedule-table tr { 
    background: #1f2937 !important;
    border: 1px solid #374151 !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5) !important;
  }
  
  /* Time header in dark mode */
  .schedule-table td.schedule-time {
    background: var(--color-primary) !important;
    color: white !important;
  }
  
  /* Topic content in dark mode */
  .schedule-table td.schedule-topic { 
    background: #1f2937 !important;
    color: #f3f4f6 !important;
  }
  
  /* Break rows in dark mode */
  .schedule-table tr.break {
    background: #2d3748 !important;
  }
  
  .schedule-table tr.break td.schedule-time {
    background: linear-gradient(135deg, #4b5563, #374151) !important;
    color: white !important;
  }
  
  .schedule-table tr.break td.schedule-topic { 
    background: #2d3748 !important;
    color: #d1d5db !important;
  }
  
  .schedule-day {
    background: #1f2937 !important;
    border-color: #374151 !important;
  }
  
  .schedule-day h3 {
    background: var(--color-primary) !important;
    color: white !important;
  }
}