/* ============================================
   Luci Viewer — Design System & Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors - Dark cosmic palette */
  --bg-deep: #0a0a1a;
  --bg-surface: #111128;
  --bg-card: rgba(25, 25, 60, 0.6);
  --bg-card-hover: rgba(35, 35, 80, 0.7);
  --bg-glass: rgba(20, 20, 50, 0.65);
  --bg-glass-border: rgba(139, 92, 246, 0.15);
  --bg-input: rgba(15, 15, 40, 0.6);

  --accent-primary: #8b5cf6;
  --accent-primary-soft: rgba(139, 92, 246, 0.15);
  --accent-secondary: #c084fc;
  --accent-warm: #f59e0b;
  --accent-pink: #ec4899;
  --accent-cyan: #22d3ee;
  --accent-green: #34d399;

  --text-primary: #e8e4f0;
  --text-secondary: rgba(232, 228, 240, 0.6);
  --text-muted: rgba(232, 228, 240, 0.35);

  --border-subtle: rgba(139, 92, 246, 0.12);
  --border-active: rgba(139, 92, 246, 0.4);

  --gradient-primary: linear-gradient(135deg, #7c3aed, #a855f7, #c084fc);
  --gradient-warm: linear-gradient(135deg, #f59e0b, #ec4899);
  --gradient-bg: radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
                 radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);

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

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-base: 0.25s var(--ease-out);
  --transition-slow: 0.4s var(--ease-out);

  /* Layout */
  --sidebar-width: 380px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--bg-deep);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  height: 100dvh;
}

/* ---------- Screen Management ---------- */
.screen {
  display: none;
  height: 100dvh;
}

.screen.active {
  display: flex;
}

/* ============================================
   IMPORT SCREEN
   ============================================ */
#import-screen {
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-deep);
  background-image: var(--gradient-bg);
}

.import-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  z-index: 1;
  padding: var(--space-xl);
  animation: fadeInUp 0.8s var(--ease-out) both;
}

/* Stars background */
.stars-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.stars-bg::before,
.stars-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: white;
  animation: twinkle 4s ease-in-out infinite alternate;
}

.stars-bg::before {
  width: 2px;
  height: 2px;
  top: 20%;
  left: 30%;
  box-shadow:
    80px 40px 0 0 rgba(255,255,255,0.15),
    200px -20px 0 0 rgba(255,255,255,0.1),
    400px 60px 0 0 rgba(255,255,255,0.2),
    120px 120px 0 0 rgba(255,255,255,0.08),
    600px 30px 0 0 rgba(255,255,255,0.15),
    300px 200px 0 0 rgba(255,255,255,0.12),
    500px 180px 0 0 rgba(255,255,255,0.1),
    50px 300px 0 0 rgba(255,255,255,0.08),
    700px 250px 0 0 rgba(255,255,255,0.15),
    150px 400px 0 0 rgba(255,255,255,0.1);
}

.stars-bg::after {
  width: 1.5px;
  height: 1.5px;
  top: 50%;
  left: 10%;
  animation-delay: 2s;
  box-shadow:
    60px -100px 0 0 rgba(255,255,255,0.12),
    250px -60px 0 0 rgba(255,255,255,0.15),
    500px -120px 0 0 rgba(255,255,255,0.1),
    350px 40px 0 0 rgba(255,255,255,0.08),
    100px 100px 0 0 rgba(255,255,255,0.2),
    450px 80px 0 0 rgba(255,255,255,0.12),
    650px -40px 0 0 rgba(255,255,255,0.1),
    200px 200px 0 0 rgba(255,255,255,0.08);
}

/* Logo */
.logo-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.logo-icon {
  width: 80px;
  height: 80px;
  animation: floatLogo 6s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.4));
}

.app-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.app-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Drop Zone */
.drop-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(420px, 90vw);
  min-height: 200px;
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.08);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.drop-zone.drag-over {
  border-style: solid;
  transform: scale(1.02);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-secondary);
  transition: transform var(--transition-base);
}

.drop-zone:hover .upload-icon {
  transform: translateY(-4px);
}

.drop-zone-label {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-primary);
}

.drop-zone-hint {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.import-info {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  max-width: 300px;
}

/* ============================================
   VIEWER SCREEN
   ============================================ */
#viewer-screen {
  flex-direction: row;
  background: var(--bg-deep);
  background-image: var(--gradient-bg);
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-width);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  flex-shrink: 0;
  z-index: 10;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.btn-icon:hover {
  background: var(--accent-primary-soft);
  color: var(--accent-secondary);
}

/* Stats */
.sidebar-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) 0;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--accent-secondary);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Search */
.sidebar-search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) var(--space-lg) 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: border-color var(--transition-fast);
  color: var(--text-muted);
}

.sidebar-search:focus-within {
  border-color: var(--accent-primary);
}

.sidebar-search input {
  flex: 1;
  border: none;
  background: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
}

.sidebar-search input::placeholder {
  color: var(--text-muted);
}

/* Filters */
.sidebar-filters {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg) 0;
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-primary-soft);
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
}

/* Sort */
.sidebar-sort {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.sidebar-sort select {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  outline: none;
}

.sidebar-sort select:focus {
  border-color: var(--accent-primary);
}

/* Dream List */
.dream-list {
  flex: 1;
  overflow-y: auto;
  list-style: none;
  padding: var(--space-sm) var(--space-md);
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.2) transparent;
}

.dream-list::-webkit-scrollbar {
  width: 6px;
}

.dream-list::-webkit-scrollbar-track {
  background: transparent;
}

.dream-list::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
}

.dream-list-item {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  margin-bottom: 2px;
}

.dream-list-item:hover {
  background: var(--bg-card-hover);
}

.dream-list-item.active {
  background: var(--accent-primary-soft);
  border-left: 3px solid var(--accent-primary);
}

.dream-item-date {
  font-size: var(--text-xs);
  color: var(--accent-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.dream-item-preview {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.dream-item-meta {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}

.dream-item-tag {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  white-space: nowrap;
}

.dream-item-lucid-badge {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(34, 211, 238, 0.15);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
  font-weight: 500;
}

.dream-item-ai-badge {
  font-size: 9px;
  padding: 1px 6px;
  margin-left: var(--space-sm);
  background: rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-secondary);
  font-weight: 600;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

/* Mobile sidebar toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 20;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

/* ---------- Detail Panel ---------- */
.detail-panel {
  flex: 1;
  height: 100dvh;
  overflow-y: auto;
  padding: var(--space-2xl);
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.2) transparent;
}

.detail-panel::-webkit-scrollbar {
  width: 6px;
}

.detail-panel::-webkit-scrollbar-track {
  background: transparent;
}

.detail-panel::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--space-lg);
  color: var(--text-muted);
  font-size: var(--text-base);
  animation: pulse 4s ease-in-out infinite;
}

/* Dream Detail */
.dream-detail {
  max-width: 760px;
  margin: 0 auto;
  animation: fadeInUp 0.4s var(--ease-out) both;
}

.dream-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.dream-date-badge {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.dream-meters {
  display: flex;
  gap: var(--space-lg);
}

.meter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.meter-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meter-dots {
  display: flex;
  gap: 4px;
}

.meter-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: all var(--transition-base);
}

.meter-dot.filled {
  background: var(--accent-primary);
  border-color: var(--accent-secondary);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

.meter-dot.filled[data-lucid] {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

/* Dream Fields */
.dream-field {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.dream-field:hover {
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: var(--shadow-glow);
}

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

.field-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field-value {
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.dream-text {
  font-size: var(--text-base);
  line-height: 1.8;
}

/* Copy Button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.08);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--accent-primary-soft);
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: scale(0.96);
}

.copy-btn.copied {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.copy-all-btn {
  background: rgba(139, 92, 246, 0.15);
}

/* Tags */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  background: var(--accent-primary-soft);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--accent-secondary);
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  cursor: pointer;
}

.tag:hover {
  background: rgba(139, 92, 246, 0.2);
  transform: translateY(-1px);
}

.tag:active {
  transform: scale(0.96);
}

.tag.copied {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(52, 211, 153, 0.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-green);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 100;
  opacity: 0;
  transition:
    transform 0.4s var(--ease-out),
    opacity 0.4s var(--ease-out);
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================
   AI GENERATE SECTION
   ============================================ */

/* Field header actions (badge + copy btn) */
.field-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* AI Badge */
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(192, 132, 252, 0.2));
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: var(--radius-full);
  color: var(--accent-secondary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: aiBadgePulse 3s ease-in-out infinite;
}

.ai-badge svg {
  animation: spin 4s linear infinite;
}

@keyframes aiBadgePulse {
  0%, 100% {
    box-shadow: 0 0 6px rgba(139, 92, 246, 0.2);
  }
  50% {
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
  }
}

/* Generate area (personality selector + button) */
.ai-generate-area {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

/* Personality selector */
.ai-personality-selector {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.personality-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

.personality-select {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.personality-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.15);
}

.personality-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* Generate button */
.ai-generate-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-full);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.ai-generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.ai-generate-btn:active {
  transform: translateY(0);
}

.ai-generate-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Shimmer effect */
.ai-generate-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: all 0.5s ease;
}

.ai-generate-btn:hover::before {
  left: 100%;
  transition: left 0.6s ease-in-out;
}

.generate-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-base);
}

.modal-overlay[hidden] {
  display: none;
  opacity: 0;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.3s var(--ease-out);
}

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

.modal-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

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

.settings-input {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.settings-input:focus {
  border-color: var(--accent-primary);
}

.settings-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
}

.save-btn {
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes twinkle {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

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

@keyframes fadeInItem {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
    width: min(var(--sidebar-width), 85vw);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
  }

  .detail-panel {
    padding: var(--space-lg);
    padding-top: 72px;
  }

  .dream-detail-header {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .detail-panel {
    padding: var(--space-md);
    padding-top: 72px;
  }

  .dream-date-badge {
    font-size: var(--text-lg);
    padding: var(--space-sm) var(--space-md);
  }

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