/* Curator - Base Styles */
/* Reset, CSS Variables, and Utility Classes */

/* ==========================================================================
   CSS Reset
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ==========================================================================
   CSS Variables - Light Mode
   ========================================================================== */

:root {
  /* Primary Color Scale (Rich Deep Violet) */
  --primary-50: #f5f3ff;
  --primary-100: #ede9fe;
  --primary-200: #ddd6fe;
  --primary-300: #c4b5fd;
  --primary-400: #a78bfa;
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --primary-800: #5b21b6;
  --primary-900: #4c1d95;

  /* Legacy aliases */
  --primary-color: #6d28d9; /* Deep violet */
  --primary-rgb: 109, 40, 217;
  --on-primary: #ffffff;
  --primary-dark: #5b21b6;
  --primary-light: var(--primary-500);

  /* Secondary Color Scale */
  --secondary-50: #fdf2f8;
  --secondary-100: #fce7f3;
  --secondary-200: #fbcfe8;
  --secondary-300: #f9a8d4;
  --secondary-400: #f472b6;
  --secondary-500: #ec4899;
  --secondary-600: #db2777;
  --secondary-700: #be185d;
  --secondary-800: #9d174d;
  --secondary-900: #831843;
  --secondary-color: var(--secondary-500);

  /* Accent Color Scale */
  --accent-50: #ecfeff;
  --accent-100: #cffafe;
  --accent-200: #a5f3fc;
  --accent-300: #67e8f9;
  --accent-400: #22d3ee;
  --accent-500: #06b6d4;
  --accent-600: #0891b2;
  --accent-700: #0e7490;
  --accent-800: #155e75;
  --accent-900: #164e63;
  --accent-color: var(--accent-500);

  /* Surface Colors */
  --background: #fef7ff;
  --surface: #ffffff;
  --surface-variant: #f3edf7;

  /* Text Colors */
  --text-primary: #1d1b20;
  --text-secondary: #49454f;
  --text-disabled: #cac4d0;

  /* Border & Divider Colors */
  --border-color: #cac4d0;
  --table-border: #ddd;
  --url-text: #999;

  /* Status Colors - Success Scale */
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-200: #bbf7d0;
  --success-300: #86efac;
  --success-400: #4ade80;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;
  --success-800: #065f46;
  --success-900: #064e3b;
  --success-color: var(--success-500);

  /* Status Colors - Error Scale */
  --error-50: #fef2f2;
  --error-100: #fee2e2;
  --error-200: #fecaca;
  --error-300: #fca5a5;
  --error-400: #f87171;
  --error-500: #ef4444;
  --error-600: #dc2626;
  --error-700: #b91c1c;
  --error-800: #991b1b;
  --error-900: #7f1d1d;
  --error-color: var(--error-500);

  /* Status Colors - Warning Scale */
  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-200: #fde68a;
  --warning-300: #fcd34d;
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --warning-700: #b45309;
  --warning-800: #92400e;
  --warning-900: #78350f;
  --warning-color: var(--warning-500);

  /* Status Colors - Info Scale */
  --info-50: #eff6ff;
  --info-100: #dbeafe;
  --info-200: #bfdbfe;
  --info-300: #93c5fd;
  --info-400: #60a5fa;
  --info-500: #3b82f6;
  --info-600: #2563eb;
  --info-700: #1d4ed8;
  --info-800: #1e40af;
  --info-900: #1e3a8a;
  --info-color: var(--info-500);

  /* Status colors */
  --status-queued: #fd7e14;
  --status-pending: #6c757d;
  --status-downloading: #0d6efd;
  --status-completed: #198754;
  --status-failed: #dc3545;
  --status-skipped: #6f42c1;
  --status-paused: #ffc107;
  --status-processing: #0dcaf0;

  /* Input Colors */
  --input-bg: #ffffff;

  /* Shadows - Modern syntax */
  --shadow-sm: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --shadow-md: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0px 1px 3px 0px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0px 2px 3px 0px rgba(0, 0, 0, 0.3), 0px 6px 10px 4px rgba(0, 0, 0, 0.15);

  /* Fluid Typography - Responsive with clamp() */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem); /* 12px → 14px */
  --font-size-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem); /* 14px → 16px */
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem); /* 16px → 18px */
  --font-size-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem); /* 18px → 20px */
  --font-size-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem); /* 20px → 24px */
  --font-size-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem); /* 24px → 30px */
  --font-size-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem); /* 30px → 36px */
  --font-size-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem); /* 36px → 48px */

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 40px;
  --space-3xl: 48px;

  /* Legacy aliases for backward compatibility */
  --spacing-xs: var(--space-xs);
  --spacing-sm: var(--space-sm);
  --spacing-md: var(--space-md);
  --spacing-lg: var(--space-lg);
  --spacing-xl: var(--space-xl);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 28px;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ==========================================================================
   Base Typography & Body
   ========================================================================== */

body {
  font-family:
    'Roboto',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizelegibility;
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

/* ==========================================================================
   Focus Styles - Accessibility
   ========================================================================== */

*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ==========================================================================
   Reduced Motion - Accessibility
   ========================================================================== */

@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;
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.flex-1 {
  flex: 1;
}

.flex-0 {
  flex: 0;
}

/* Gap utilities */
.gap-xs {
  gap: var(--space-xs);
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.gap-xl {
  gap: var(--space-xl);
}

/* Legacy pixel-based utilities for backward compatibility */
.gap-5 {
  gap: 5px;
}

.gap-10 {
  gap: 10px;
}

.gap-15 {
  gap: 15px;
}

.gap-20 {
  gap: 20px;
}

.gap-30 {
  gap: 30px;
}

/* Padding utilities */
.p-xs {
  padding: var(--space-xs);
}

.p-sm {
  padding: var(--space-sm);
}

.p-md {
  padding: var(--space-md);
}

.p-lg {
  padding: var(--space-lg);
}

.p-xl {
  padding: var(--space-xl);
}

.p-2xl {
  padding: var(--space-2xl);
}

.px-xs {
  padding-inline: var(--space-xs);
}

.px-sm {
  padding-inline: var(--space-sm);
}

.px-md {
  padding-inline: var(--space-md);
}

.px-lg {
  padding-inline: var(--space-lg);
}

.px-xl {
  padding-inline: var(--space-xl);
}

.py-xs {
  padding-block: var(--space-xs);
}

.py-sm {
  padding-block: var(--space-sm);
}

.py-md {
  padding-block: var(--space-md);
}

.py-lg {
  padding-block: var(--space-lg);
}

.py-xl {
  padding-block: var(--space-xl);
}

/* Legacy pixel-based utilities for backward compatibility */
.p-10 {
  padding: 10px;
}

.p-15 {
  padding: 15px;
}

.p-20 {
  padding: 20px;
}

.p-30 {
  padding: 30px;
}

.p-40 {
  padding: 40px;
}

.px-10 {
  padding-left: 10px;
  padding-right: 10px;
}

.px-20 {
  padding-left: 20px;
  padding-right: 20px;
}

.py-10 {
  padding-top: 10px;
  padding-bottom: 10px;
}

.py-20 {
  padding-top: 20px;
  padding-bottom: 20px;
}

/* Margin utilities */
.m-0 {
  margin: 0;
}

.m-auto {
  margin: auto;
}

.mt-xs {
  margin-top: var(--space-xs);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mb-xs {
  margin-bottom: var(--space-xs);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

.mx-xs {
  margin-inline: var(--space-xs);
}

.mx-sm {
  margin-inline: var(--space-sm);
}

.mx-md {
  margin-inline: var(--space-md);
}

.mx-auto {
  margin-inline: auto;
}

.my-xs {
  margin-block: var(--space-xs);
}

.my-sm {
  margin-block: var(--space-sm);
}

.my-md {
  margin-block: var(--space-md);
}

.my-lg {
  margin-block: var(--space-lg);
}

.my-xl {
  margin-block: var(--space-xl);
}

/* Legacy pixel-based utilities for backward compatibility */
.mt-8 {
  margin-top: 8px;
}

.mt-10 {
  margin-top: 10px;
}

.mt-15 {
  margin-top: 15px;
}

.mt-20 {
  margin-top: 20px;
}

.mb-10 {
  margin-bottom: 10px;
}

.mb-15 {
  margin-bottom: 15px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-30 {
  margin-bottom: 30px;
}

.mb-40 {
  margin-bottom: 40px;
}

.my-30 {
  margin-top: 30px;
  margin-bottom: 30px;
}

/* Text alignment */
.text-left {
  text-align: left;
}

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

.text-right {
  text-align: right;
}

/* Display utilities */
.hidden {
  display: none !important;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.grid {
  display: grid;
}

/* Width utilities */
.w-full {
  width: 100%;
}

/* Border utilities */
.rounded {
  border-radius: var(--radius-sm);
}

.rounded-lg {
  border-radius: var(--radius-sm);
}

.border-collapse {
  border-collapse: collapse;
}

/* Color utilities */
.text-primary {
  color: var(--text-primary);
}

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

.bg-surface {
  background: var(--surface);
}

.bg-surface-variant {
  background: var(--surface-variant);
}

.bg-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #4caf50;
}

.bg-warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  color: #856404;
}

/* Font weight utilities */
.font-normal {
  font-weight: normal;
}

.font-bold {
  font-weight: bold;
}

/* Typography utilities - Fluid responsive sizing */
.text-xs {
  font-size: var(--font-size-xs);
}

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

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

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

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

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

.text-3xl {
  font-size: var(--font-size-3xl);
}

.text-4xl {
  font-size: var(--font-size-4xl);
}

/* Line height utilities */
.leading-tight {
  line-height: var(--line-height-tight);
}

.leading-normal {
  line-height: var(--line-height-normal);
}

.leading-relaxed {
  line-height: var(--line-height-relaxed);
}

/* Cursor utilities */
.cursor-pointer {
  cursor: pointer;
}

/* Specific component utilities for common patterns */
.import-status {
  padding: 15px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
}

.import-button-group {
  padding: 10px 20px;
}

.queue-empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.table-header-row {
  border-bottom: 2px solid var(--border-color);
}

.table-cell {
  padding: 12px;
}

.table-cell-left {
  padding: 12px;
  text-align: left;
}

.table-cell-center {
  padding: 12px;
  text-align: center;
}

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

.text-hint {
  color: var(--text-disabled);
}

.max-w-500 {
  max-width: 500px;
}

.max-w-600 {
  max-width: 600px;
}

.max-w-800 {
  max-width: 800px;
}

.btn-cancel {
  background: #999;
}

.btn-delete {
  background: #f44336;
}

.btn-save {
  background: #4caf50;
}

.radio-input {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.border-primary {
  border: 2px solid var(--border-color);
}

.transition-all {
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

/* ==========================================================================
   Screen Reader Only - Accessibility
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border-width: 0;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip-path: none;
  white-space: normal;
}

/* ==========================================================================
   Responsive Utilities - Mobile First
   ========================================================================== */

/* stylelint-disable selector-class-pattern */
/* Hide/show at breakpoints */
.sm\:hidden {
  display: none;
}

@media (min-width: 640px) {
  .sm\:block {
    display: block;
  }

  .sm\:flex {
    display: flex;
  }

  .sm\:grid {
    display: grid;
  }

  .sm\:hidden {
    display: none;
  }
}

@media (min-width: 768px) {
  .md\:block {
    display: block;
  }

  .md\:flex {
    display: flex;
  }

  .md\:grid {
    display: grid;
  }

  .md\:hidden {
    display: none;
  }
}

@media (min-width: 1024px) {
  .lg\:block {
    display: block;
  }

  .lg\:flex {
    display: flex;
  }

  .lg\:grid {
    display: grid;
  }

  .lg\:hidden {
    display: none;
  }
}

/* Responsive text alignment */
@media (min-width: 768px) {
  .md\:text-left {
    text-align: left;
  }

  .md\:text-center {
    text-align: center;
  }

  .md\:text-right {
    text-align: right;
  }
}

/* Responsive flex direction */
@media (min-width: 768px) {
  .md\:flex-row {
    flex-direction: row;
  }

  .md\:flex-col {
    flex-direction: column;
  }
}

/* stylelint-enable selector-class-pattern */

/* ==========================================================================
   Performance Utilities - Content Visibility
   ========================================================================== */

/* For long lists and grids - improves rendering performance */
.content-auto {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

/* For items that are initially off-screen */
.content-hidden {
  content-visibility: hidden;
}

/* For visible content that should be optimized */
.content-visible {
  content-visibility: visible;
}

/* Apply to list items in long lists */
.list-item-optimized {
  content-visibility: auto;
  contain-intrinsic-size: auto 100px;
}

/* Apply to card grids */
.card-optimized {
  content-visibility: auto;
  contain-intrinsic-size: auto 300px;
}

/* Toast notification animations */
@keyframes slide-in-right {
  from {
    transform: translateX(400px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slide-out-right {
  from {
    transform: translateX(0);
    opacity: 1;
  }

  to {
    transform: translateX(400px);
    opacity: 0;
  }
}