: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 */
:root {
    /* Map existing variables to design system */
    --uig-primary: var(--color-primary);
    --uig-primary-hover: var(--color-primary-hover);
    --uig-secondary: var(--color-secondary);
    --uig-success: var(--color-success);
    --uig-danger: var(--color-error);
    --uig-warning: var(--color-warning);
    --uig-info: var(--color-info);
    --uig-light: var(--color-background);
    --uig-dark: var(--color-text);
    
    /* Colors */
    --uig-bg: var(--color-surface);
    --uig-bg-secondary: var(--color-background);
    --uig-text: var(--color-text);
    --uig-text-muted: var(--color-text-secondary);
    --uig-border: var(--color-border);
    --uig-shadow: rgba(0, 0, 0, 0.04);
    
    /* Spacing using design system */
    --uig-spacing-xs: var(--space-4);
    --uig-spacing-sm: var(--space-8);
    --uig-spacing-md: var(--space-16);
    --uig-spacing-lg: var(--space-24);
    --uig-spacing-xl: var(--space-32);
    
    /* Borders */
    --uig-border-radius: var(--radius-base);
    --uig-border-width: var(--space-1);
    
    /* Transitions */
    --uig-transition: all var(--duration-normal) var(--ease-standard);
}

/* Dark mode - use design system dark mode handling */
body.uig-dark-mode {
    --uig-bg: var(--color-surface);
    --uig-bg-secondary: var(--color-background);
    --uig-text: var(--color-text);
    --uig-text-muted: var(--color-text-secondary);
    --uig-border: var(--color-border);
    --uig-shadow: rgba(255, 255, 255, 0.04);
    --uig-primary: var(--color-primary);
    --uig-primary-hover: var(--color-primary-hover);
}

/* Reset y base */
.uig-gallery-container *,
.uig-upload-form *,
.uig-lightbox-overlay * {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    transition: var(--uig-transition);
}

/* === FORMULARIO DE SUBIDA === */
.uig-upload-form {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--uig-spacing-lg);
    background: var(--uig-bg);
    border: var(--uig-border-width) solid var(--uig-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    color: var(--uig-text);
    transition: var(--uig-transition);
}

/* Drag & Drop Area */
.uig-drag-drop-area {
    border: var(--space-2) dashed var(--uig-border);
    border-radius: var(--uig-border-radius);
    padding: var(--uig-spacing-xl);
    margin-bottom: var(--uig-spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--uig-transition);
    background: var(--uig-bg-secondary);
}

.uig-drag-drop-area:hover,
.uig-drag-drop-area.uig-dragover {
    border-color: var(--uig-primary);
    background: rgba(var(--color-primary), 0.08);
    transform: translateY(-2px);
}

.uig-drag-content {
    pointer-events: none;
}

.uig-upload-icon {
    font-size: var(--font-size-4xl);
    display: block;
    margin-bottom: var(--uig-spacing-sm);
}

.uig-drag-drop-area p {
    margin: var(--uig-spacing-sm) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--uig-text);
}

.uig-drag-drop-area small {
    color: var(--uig-text-muted);
    font-size: var(--font-size-sm);
}

/* Preview de archivos */
.uig-file-preview {
    margin: var(--uig-spacing-lg) 0;
    display: grid;
    gap: var(--uig-spacing-sm);
}

.uig-file-preview-item {
    display: flex;
    align-items: center;
    gap: var(--uig-spacing-md);
    padding: var(--uig-spacing-sm);
    border: var(--uig-border-width) solid var(--uig-border);
    border-radius: var(--uig-border-radius);
    background: var(--uig-bg-secondary);
    transition: var(--uig-transition);
}

.uig-preview-valid {
    border-color: var(--uig-success);
}

.uig-preview-invalid {
    border-color: var(--uig-danger);
    background: rgba(var(--color-error-rgb), 0.08);
}

.uig-preview-icon {
    font-size: var(--font-size-2xl);
    min-width: var(--space-32);
}

.uig-preview-info {
    flex: 1;
}

.uig-preview-name {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--uig-spacing-xs);
    word-break: break-all;
    font-size: var(--font-size-md);
}

.uig-preview-size, .uig-preview-status {
    font-size: var(--font-size-sm);
    color: var(--uig-text-muted);
}

/* Campos del formulario */
.uig-upload-form label {
    display: block;
    margin-top: var(--uig-spacing-lg);
    margin-bottom: var(--uig-spacing-sm);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--uig-text);
}

.uig-upload-form input[type="text"],
.uig-upload-form input[type="file"],
.uig-upload-form select,
.uig-upload-form textarea {
    width: 100%;
    padding: var(--uig-spacing-sm) var(--uig-spacing-md);
    border: var(--uig-border-width) solid var(--uig-border);
    border-radius: var(--uig-border-radius);
    background: var(--uig-bg);
    color: var(--uig-text);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    transition: var(--uig-transition);
}

.uig-upload-form input[type="text"]:focus,
.uig-upload-form select:focus,
.uig-upload-form textarea:focus {
    outline: var(--focus-outline);
    border-color: var(--uig-primary);
    box-shadow: var(--focus-ring);
}

/* Botón de subida */
#uig-submit-btn {
    width: 100%;
    margin-top: var(--uig-spacing-lg);
    padding: var(--uig-spacing-md) var(--uig-spacing-lg);
    background: var(--uig-primary);
    color: var(--color-btn-primary-text);
    border: none;
    border-radius: var(--uig-border-radius);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family-base);
    cursor: pointer;
    transition: var(--uig-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--uig-spacing-sm);
}

#uig-submit-btn:hover:not(:disabled) {
    background: var(--uig-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

#uig-submit-btn:disabled {
    background: var(--uig-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#uig-submit-btn:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

.uig-loading {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Barra de progreso */
.uig-upload-progress {
    margin-top: var(--uig-spacing-md);
    background: var(--uig-bg-secondary);
    border-radius: var(--uig-border-radius);
    overflow: hidden;
    position: relative;
    height: 30px;
}

.uig-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--uig-primary), var(--uig-success));
    width: 0%;
    transition: width var(--duration-normal) var(--ease-standard);
    position: relative;
}

.uig-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--uig-text);
    z-index: 10;
}

/* === GALERÍA === */
.uig-gallery-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--uig-spacing-lg);
}

.uig-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--uig-spacing-lg);
    padding: var(--uig-spacing-md);
    background: var(--uig-bg);
    border-radius: var(--uig-border-radius);
    box-shadow: var(--shadow-sm);
}

.uig-dark-toggle {
    padding: var(--uig-spacing-sm) var(--uig-spacing-md);
    background: var(--uig-secondary);
    color: var(--color-btn-primary-text);
    border: none;
    border-radius: var(--uig-border-radius);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--uig-transition);
}

.uig-dark-toggle:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
}

.uig-dark-toggle:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

/* Grid de galería */
.uig-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--uig-spacing-lg);
    margin-bottom: var(--uig-spacing-xl);
}

.uig-gallery-item {
    background: var(--uig-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--uig-transition);
    position: relative;
    border: var(--space-1) solid var(--color-card-border);
}

.uig-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.uig-gallery-item:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--space-2);
}

/* Estilos para indicadores de expiración */
.uig-gallery-item.uig-expires-soon {
    border: var(--space-2) solid var(--uig-warning);
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0% { box-shadow: 0 0 0 0 rgba(var(--color-warning-rgb), 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(var(--color-warning-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--color-warning-rgb), 0); }
}

.uig-gallery-item.uig-expires-soon::after {
    content: '⏰';
    position: absolute;
    top: var(--space-10);
    right: var(--space-10);
    background: var(--uig-warning);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    z-index: 5;
    box-shadow: var(--shadow-md);
}

.uig-item-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--uig-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.uig-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--uig-transition);
}

.uig-gallery-item:hover .uig-item-thumb img {
    transform: scale(1.05);
}

/* Indicador de video mejorado */
.uig-video-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-white);
    border-radius: var(--radius-full);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    z-index: 5;
    pointer-events: none;
    backdrop-filter: blur(2px);
    border: var(--space-2) solid rgba(255, 255, 255, 0.3);
}

.uig-item-info {
    padding: var(--uig-spacing-md);
}

.uig-item-info h3 {
    margin: 0 0 var(--uig-spacing-sm) 0;
    font-size: var(--font-size-lg);
    color: var(--uig-text);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.uig-item-info p {
    margin: var(--uig-spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--uig-text-muted);
    line-height: var(--line-height-normal);
}

/* Estilos específicos para estados de expiración */
.uig-permanent {
    color: var(--uig-success);
    font-weight: var(--font-weight-semibold);
}

.uig-expires {
    color: var(--uig-warning);
    font-weight: var(--font-weight-semibold);
    animation: blink 1.5s infinite;
}

.uig-time-left {
    color: var(--uig-info);
    font-weight: var(--font-weight-medium);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.6; }
}

/* Indicador de carga para scroll infinito */
.uig-loading-indicator {
    text-align: center;
    padding: var(--uig-spacing-xl);
    color: var(--uig-text-muted);
}

.uig-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--uig-spacing-md);
    border: var(--space-4) solid var(--uig-bg-secondary);
    border-top: var(--space-4) solid var(--uig-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

/* === LIGHTBOX === */
.uig-lightbox-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.uig-lightbox-content {
    display: flex;
    height: 100%;
    width: 100%;
}

.uig-lightbox-main {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--uig-spacing-lg);
}

.uig-media-container {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    z-index: 10;
}

.uig-media-container img,
.uig-media-container video {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--uig-border-radius);
    box-shadow: var(--shadow-lg);
}

/* Controles del lightbox */
.uig-lightbox-close,
.uig-lightbox-prev,
.uig-lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--radius-full);
    width: 50px;
    height: 50px;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    z-index: 10001;
}

.uig-lightbox-close:hover,
.uig-lightbox-prev:hover,
.uig-lightbox-next:hover {
    background: var(--color-white);
    opacity: 1;
}

.uig-lightbox-close:focus-visible,
.uig-lightbox-prev:focus-visible,
.uig-lightbox-next:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

.uig-lightbox-close {
    top: var(--space-20);
    right: var(--space-20);
    font-size: var(--font-size-3xl);
}

.uig-lightbox-prev {
    left: var(--space-20);
    top: 50%;
    transform: translateY(-50%);
}

.uig-lightbox-next {
    right: var(--space-20);
    top: 50%;
    transform: translateY(-50%);
}

/* Sidebar del lightbox */
.uig-lightbox-sidebar {
    width: 350px;
    background: var(--uig-bg);
    color: var(--uig-text);
    padding: var(--uig-spacing-lg);
    overflow-y: auto;
    border-left: var(--uig-border-width) solid var(--uig-border);
    z-index: 10000;
}

.uig-lightbox-sidebar h3 {
    margin: 0 0 var(--uig-spacing-sm) 0;
    color: var(--uig-text);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.uig-lightbox-sidebar p {
    margin: var(--uig-spacing-xs) 0;
    color: var(--uig-text-muted);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

/* Información de expiración en lightbox */
#uig-expire-info {
    background: var(--uig-bg-secondary);
    border-left: var(--space-4) solid var(--uig-warning);
    padding: var(--uig-spacing-sm);
    margin: var(--uig-spacing-md) 0;
    border-radius: var(--uig-border-radius);
}

#uig-expire-text {
    font-size: var(--font-size-sm);
    color: var(--uig-text);
    margin: 0;
}

#uig-expire-text strong {
    color: var(--uig-warning);
    font-weight: var(--font-weight-semibold);
}

/* Sección de votos */
.uig-vote-section {
    display: flex;
    gap: var(--uig-spacing-sm);
    margin: var(--uig-spacing-lg) 0;
}

.uig-vote-btn {
    flex: 1;
    padding: var(--uig-spacing-sm);
    border: var(--uig-border-width) solid var(--uig-border);
    border-radius: var(--uig-border-radius);
    background: var(--uig-bg-secondary);
    color: var(--uig-text);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--uig-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--uig-spacing-xs);
}

.uig-vote-btn:hover:not(:disabled) {
    background: var(--uig-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--uig-primary);
}

.uig-vote-btn:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

.uig-vote-btn.voted {
    background: var(--uig-primary);
    color: var(--color-btn-primary-text);
    border-color: var(--uig-primary);
}

.uig-vote-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Acciones */
.uig-actions {
    display: flex;
    flex-direction: column;
    gap: var(--uig-spacing-sm);
    margin: var(--uig-spacing-lg) 0;
}

.uig-action-btn {
    padding: var(--uig-spacing-sm) var(--uig-spacing-md);
    border: none;
    border-radius: var(--uig-border-radius);
    background: var(--uig-secondary);
    color: var(--color-btn-primary-text);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--uig-transition);
}

.uig-action-btn:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
}

.uig-action-btn:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

#uig-extend-life {
    background: var(--uig-warning);
}

#uig-extend-life:hover {
    background: var(--color-warning);
    opacity: 0.9;
}

/* Sección de comentarios */
.uig-comments-section {
    border-top: var(--uig-border-width) solid var(--uig-border);
    padding-top: var(--uig-spacing-lg);
    margin-top: var(--uig-spacing-lg);
}

.uig-comments-section h4 {
    margin: 0 0 var(--uig-spacing-md) 0;
    color: var(--uig-text);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

#uig-comments-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--uig-spacing-lg);
    padding-right: var(--uig-spacing-sm);
}

.uig-comment {
    padding: var(--uig-spacing-sm);
    border-bottom: var(--space-1) solid var(--uig-border);
    margin-bottom: var(--uig-spacing-sm);
}

.uig-comment strong {
    color: var(--uig-primary);
    font-weight: var(--font-weight-semibold);
}

.uig-comment small {
    color: var(--uig-text-muted);
    font-size: var(--font-size-xs);
}

.uig-comment p {
    margin: var(--uig-spacing-xs) 0 0 0;
    color: var(--uig-text);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

.uig-no-comments {
    text-align: center;
    color: var(--uig-text-muted);
    font-style: italic;
    font-size: var(--font-size-base);
    padding: var(--uig-spacing-lg) 0;
}

/* Añadir comentario */
.uig-add-comment {
    display: flex;
    flex-direction: column;
    gap: var(--uig-spacing-sm);
}

#uig-comment-text {
    min-height: 80px;
    resize: vertical;
    padding: var(--uig-spacing-sm);
    border: var(--uig-border-width) solid var(--uig-border);
    border-radius: var(--uig-border-radius);
    background: var(--uig-bg);
    color: var(--uig-text);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    transition: var(--uig-transition);
}

#uig-comment-text:focus {
    outline: var(--focus-outline);
    border-color: var(--uig-primary);
    box-shadow: var(--focus-ring);
}

#uig-send-comment {
    padding: var(--uig-spacing-sm) var(--uig-spacing-md);
    background: var(--uig-primary);
    color: var(--color-btn-primary-text);
    border: none;
    border-radius: var(--uig-border-radius);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--uig-transition);
}

#uig-send-comment:hover {
    background: var(--uig-primary-hover);
}

#uig-send-comment:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

/* === SISTEMA DE TOAST NOTIFICATIONS === */
.uig-toast {
    position: fixed;
    top: var(--space-20);
    right: var(--space-20);
    background: var(--uig-bg);
    color: var(--uig-text);
    padding: var(--uig-spacing-md) var(--uig-spacing-lg);
    border-radius: var(--uig-border-radius);
    box-shadow: var(--shadow-lg);
    border-left: var(--space-4) solid var(--uig-info);
    display: flex;
    align-items: center;
    gap: var(--uig-spacing-sm);
    max-width: 400px;
    z-index: 10000;
    transform: translateX(100%);
    opacity: 0;
    transition: var(--uig-transition);
}

.uig-toast.uig-toast-show {
    transform: translateX(0);
    opacity: 1;
}

.uig-toast-success {
    border-left-color: var(--uig-success);
}

.uig-toast-error {
    border-left-color: var(--uig-danger);
}

.uig-toast-warning {
    border-left-color: var(--uig-warning);
}

.uig-toast-info {
    border-left-color: var(--uig-info);
}

.uig-toast-message {
    flex: 1;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
}

.uig-toast-close {
    background: none;
    border: none;
    color: var(--uig-text-muted);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    width: var(--space-20);
    height: var(--space-20);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--uig-transition);
}

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

.uig-toast-close:focus-visible {
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

/* === MENSAJES === */
.uig-msg-success,
.uig-msg-error,
.uig-msg-warning,
.uig-msg-notlogged {
    padding: var(--uig-spacing-md);
    border-radius: var(--uig-border-radius);
    margin: var(--uig-spacing-lg) 0;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
}

.uig-msg-success {
    background: rgba(var(--color-success-rgb), 0.08);
    color: var(--uig-success);
    border: var(--uig-border-width) solid rgba(var(--color-success-rgb), 0.25);
}

.uig-msg-error {
    background: rgba(var(--color-error-rgb), 0.08);
    color: var(--uig-danger);
    border: var(--uig-border-width) solid rgba(var(--color-error-rgb), 0.25);
}

.uig-msg-warning {
    background: rgba(var(--color-warning-rgb), 0.08);
    color: var(--uig-warning);
    border: var(--uig-border-width) solid rgba(var(--color-warning-rgb), 0.25);
}

.uig-msg-notlogged {
    background: rgba(var(--color-info-rgb), 0.08);
    color: var(--uig-info);
    border: var(--uig-border-width) solid rgba(var(--color-info-rgb), 0.25);
    text-align: center;
}

.uig-msg-notlogged a {
    color: var(--uig-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
}

.uig-msg-notlogged a:hover {
    text-decoration: underline;
    color: var(--uig-primary-hover);
}

.uig-no-items {
    text-align: center;
    padding: var(--uig-spacing-xl);
    color: var(--uig-text-muted);
    font-size: var(--font-size-lg);
    background: var(--uig-bg-secondary);
    border-radius: var(--uig-border-radius);
    margin: var(--uig-spacing-lg) 0;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .uig-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--uig-spacing-md);
    }
    
    .uig-lightbox-content {
        flex-direction: column;
    }
    
    .uig-lightbox-main {
        height: 60vh;
        order: 1;
    }
    
    .uig-lightbox-sidebar {
        width: 100%;
        height: 40vh;
        order: 2;
        border-left: none;
        border-top: var(--uig-border-width) solid var(--uig-border);
    }
    
    .uig-lightbox-close,
    .uig-lightbox-prev,
    .uig-lightbox-next {
        z-index: 10002;
    }
    
    .uig-media-container {
        z-index: 10001;
        max-height: 50vh;
    }
    
    .uig-upload-form {
        margin: var(--uig-spacing-md);
        padding: var(--uig-spacing-md);
    }
    
    .uig-toast {
        left: var(--uig-spacing-md);
        right: var(--uig-spacing-md);
        max-width: none;
    }
    
    .uig-controls {
        flex-direction: column;
        gap: var(--uig-spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .uig-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--uig-spacing-sm);
    }
    
    .uig-item-thumb {
        height: 150px;
    }
    
    .uig-lightbox-prev,
    .uig-lightbox-next {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
    
    .uig-lightbox-close {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xl);
    }
    
    .uig-media-container {
        max-height: 40vh;
    }
    
    .uig-lightbox-main {
        height: 50vh;
        padding: var(--uig-spacing-md);
    }
    
    .uig-lightbox-sidebar {
        height: 50vh;
        padding: var(--uig-spacing-md);
    }

    .uig-upload-form {
        padding: var(--uig-spacing-sm);
    }

    .uig-drag-drop-area {
        padding: var(--uig-spacing-lg);
    }

    .uig-upload-icon {
        font-size: var(--font-size-3xl);
    }

    .uig-drag-drop-area p {
        font-size: var(--font-size-base);
    }

    .uig-item-info {
        padding: var(--uig-spacing-sm);
    }

    .uig-item-info h3 {
        font-size: var(--font-size-base);
    }

    .uig-item-info p {
        font-size: var(--font-size-xs);
    }
}

/* === ESTADOS DE CARGA === */
body:not(.uig-loaded) .uig-gallery-grid {
    opacity: 0.5;
}

body.uig-loaded .uig-gallery-grid {
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* Lazy loading placeholder */
.uig-gallery-item img[data-src] {
    background: var(--uig-bg-secondary);
    background-image: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* === UTILIDADES === */
.uig-text-center { text-align: center; }
.uig-text-left { text-align: left; }
.uig-text-right { text-align: right; }

.uig-mb-0 { margin-bottom: 0 !important; }
.uig-mb-1 { margin-bottom: var(--uig-spacing-sm) !important; }
.uig-mb-2 { margin-bottom: var(--uig-spacing-md) !important; }
.uig-mb-3 { margin-bottom: var(--uig-spacing-lg) !important; }

.uig-mt-0 { margin-top: 0 !important; }
.uig-mt-1 { margin-top: var(--uig-spacing-sm) !important; }
.uig-mt-2 { margin-top: var(--uig-spacing-md) !important; }
.uig-mt-3 { margin-top: var(--uig-spacing-lg) !important; }

.uig-hidden { display: none !important; }
.uig-visible { display: block !important; }

/* === ACCESIBILIDAD === */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegación por teclado */
.uig-gallery-item:focus-visible,
.uig-vote-btn:focus-visible,
.uig-action-btn:focus-visible,
#uig-submit-btn:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--space-2);
}

/* ===================================================================
   MEJORAS VISUALES - Sin hover feo
   =================================================================== */

/* Badges de tiempo/permanente */
.uig-permanent-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 11px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.4);
    z-index: 10;
}

.uig-time-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 11px;
    text-transform: uppercase;
    z-index: 10;
}

.uig-time-badge.time-safe {
    background: linear-gradient(135deg, #00e676 0%, #00c853 100%);
}

.uig-time-badge.time-warning {
    background: linear-gradient(135deg, #ffd600 0%, #ffab00 100%);
}

.uig-time-badge.time-critical {
    background: linear-gradient(135deg, #ff5252 0%, #d50000 100%);
}

/* Estadísticas SIEMPRE visibles - sin hover */
.uig-item-stats {
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
    padding: 8px;
    display: flex;
    justify-content: space-around;
    gap: 8px;
    z-index: 5;
}

.uig-stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    color: white;
    font-size: 12px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.uig-stat-views { color: #00d4ff; }
.uig-stat-downloads { color: #00e676; }
.uig-stat-votes { color: #ffd600; }

/* Controles lightbox simples y limpios */
.uig-lightbox-close,
.uig-lightbox-prev,
.uig-lightbox-next,
#uig-close-btn,
#uig-prev-btn,
#uig-next-btn {
    background: rgba(0, 0, 0, 0.8) !important;
    color: white !important;
    width: 45px !important;
    height: 45px !important;
    border-radius: 8px !important;
    border: 2px solid rgba(255, 255, 255, 0.2) !important;
    font-size: 20px !important;
    font-weight: bold !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
}

.uig-lightbox-close:hover,
.uig-lightbox-prev:hover,
.uig-lightbox-next:hover,
#uig-close-btn:hover,
#uig-prev-btn:hover,
#uig-next-btn:hover {
    background: rgba(0, 0, 0, 0.95) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
}

/* Estado "Subiendo..." */
.uig-uploading-state,
.uig-upload-status {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    margin: 10px 0;
}

/* Formularios rediseñados */
.uig-login-form,
.uig-register-form {
    max-width: 420px;
    margin: 40px auto;
    padding: 35px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.uig-login-form input,
.uig-register-form input {
    width: 100%;
    padding: 12px 16px;
    margin: 8px 0;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
}

.uig-login-form input:focus,
.uig-register-form input:focus {
    border-color: #00d4ff;
    outline: none;
}

.uig-login-form button,
.uig-register-form button {
    width: 100%;
    padding: 14px;
    margin-top: 16px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

.uig-login-form button:hover,
.uig-register-form button:hover {
    transform: translateY(-2px);
}

/* Sistema de notificaciones */
.uig-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    z-index: 10000;
    min-width: 320px;
    max-width: 500px;
    padding: 18px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: all 0.4s ease;
}

.uig-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.uig-notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 15px;
}

.uig-notification-icon {
    font-size: 26px;
    font-weight: bold;
}

.uig-notification-close {
    margin-left: auto;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
}

.uig-notification-success {
    background: linear-gradient(135deg, #00e676 0%, #00c853 100%);
}

.uig-notification-error {
    background: linear-gradient(135deg, #ff5252 0%, #d50000 100%);
}

.uig-notification-warning {
    background: linear-gradient(135deg, #ffd600 0%, #ffab00 100%);
}

.uig-notification-info {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
}


/* ===================================================================
   ✅ MEJORAS IMPLEMENTADAS - CÓDIGO NUEVO
   =================================================================== */

/* ===================================================================
   BADGES DE TIEMPO/PERMANENTE MEJORADOS CON 3 COLORES
   =================================================================== */

.uig-time-badge {
    position: absolute;
    top: var(--space-8);
    right: var(--space-8);
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* ✅ Badge verde (>24 horas) */
.badge-green {
    background: rgba(34, 197, 94, 0.9);
    color: white;
    border: 1px solid rgba(34, 197, 94, 1);
}

/* ✅ Badge amarillo (6-24 horas) */
.badge-yellow {
    background: rgba(245, 158, 11, 0.9);
    color: white;
    border: 1px solid rgba(245, 158, 11, 1);
}

/* ✅ Badge rojo (<6 horas) */
.badge-red {
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: 1px solid rgba(239, 68, 68, 1);
    animation: pulse-urgent 2s ease-in-out infinite;
}

/* ✅ Badge permanente con animación pulse azul */
.badge-permanent {
    background: rgba(59, 130, 246, 0.9);
    color: white;
    border: 1px solid rgba(59, 130, 246, 1);
}

.pulse-blue {
    animation: pulse-blue 2s ease-in-out infinite;
}

@keyframes pulse-blue {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
        transform: scale(1.05);
    }
}

@keyframes pulse-urgent {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
}

/* ===================================================================
   ✅ ESTADÍSTICAS EN HOVER SOBRE THUMBNAILS
   =================================================================== */

.uig-stats-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7), transparent);
    padding: var(--space-16) var(--space-12) var(--space-12);
    display: flex;
    justify-content: space-around;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-standard);
    z-index: 5;
}

.uig-thumbnail-wrapper:hover .uig-stats-overlay {
    opacity: 1;
}

.uig-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    color: white;
}

.uig-stat-icon {
    font-size: var(--font-size-lg);
}

.uig-stat-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

/* ===================================================================
   ✅ CONTROLES DE LIGHTBOX ULTRA VISIBLES (50px, bordes, hover)
   =================================================================== */

.uig-close-lightbox,
.uig-prev-lightbox,
.uig-next-lightbox {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-slate-900);
    border: 2px solid rgba(0, 0, 0, 0.2);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    z-index: 1001;
    transition: all var(--duration-fast) var(--ease-standard);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.uig-close-lightbox:hover,
.uig-prev-lightbox:hover,
.uig-next-lightbox:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.uig-close-lightbox {
    top: 20px;
    right: 20px;
}

.uig-prev-lightbox {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.uig-prev-lightbox:hover {
    transform: translateY(-50%) scale(1.1);
}

.uig-next-lightbox {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.uig-next-lightbox:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .uig-close-lightbox,
    .uig-prev-lightbox,
    .uig-next-lightbox {
        background: rgba(38, 40, 40, 0.95);
        color: var(--color-gray-200);
        border-color: rgba(255, 255, 255, 0.2);
    }
}

/* ===================================================================
   ✅ SISTEMA DE NOTIFICACIONES MODERNAS (reemplaza alert())
   =================================================================== */

.uig-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    max-width: 500px;
    padding: var(--space-16) var(--space-20);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: var(--space-12);
    animation: slideInRight 0.3s var(--ease-standard);
    backdrop-filter: blur(10px);
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.uig-notification-success {
    background: rgba(34, 197, 94, 0.95);
    color: white;
    border-left: 4px solid rgba(34, 197, 94, 1);
}

.uig-notification-error {
    background: rgba(239, 68, 68, 0.95);
    color: white;
    border-left: 4px solid rgba(239, 68, 68, 1);
}

.uig-notification-warning {
    background: rgba(245, 158, 11, 0.95);
    color: white;
    border-left: 4px solid rgba(245, 158, 11, 1);
}

.uig-notification-info {
    background: rgba(59, 130, 246, 0.95);
    color: white;
    border-left: 4px solid rgba(59, 130, 246, 1);
}

.uig-notification-icon {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.uig-notification-message {
    flex: 1;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
}

.uig-notification-close {
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--duration-fast);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.uig-notification-close:hover {
    opacity: 1;
}

/* ===================================================================
   ✅ ESTADO "SUBIENDO..." CON GRADIENTE ROJO Y ANIMACIÓN
   =================================================================== */

.uig-uploading {
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%) !important;
    color: white !important;
    position: relative;
    overflow: hidden;
}

.uig-uploading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* ===================================================================
   ✅ FORMULARIOS DE LOGIN/REGISTRO REDISEÑADOS
   =================================================================== */

.uig-auth-required {
    text-align: center;
    padding: var(--space-32);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.uig-auth-required h3 {
    margin-bottom: var(--space-20);
    color: var(--color-text);
}

.uig-auth-buttons {
    display: flex;
    gap: var(--space-12);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================================================
   ✅ RESPONSIVE PARA MÓVILES
   =================================================================== */

@media (max-width: 768px) {
    .uig-time-badge {
        font-size: 10px;
        padding: 2px 6px;
    }

    .uig-close-lightbox,
    .uig-prev-lightbox,
    .uig-next-lightbox {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-2xl);
    }

    .uig-notification {
        min-width: 250px;
        max-width: calc(100vw - 40px);
        top: 10px;
        right: 10px;
    }

    .uig-stats-overlay {
        /* En móviles, mostrar siempre las estadísticas */
        opacity: 1;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    }

    .uig-auth-buttons {
        flex-direction: column;
    }
}

/* ===================================================================
   FIN DE LAS MEJORAS IMPLEMENTADAS
   =================================================================== */