/**
 * MatchLetter — Cinematic Trakt & Letterboxd-Inspired Design System
 * Independent visual identity: Deep Void Dark Theme, Obsidian Cards, Violet/Cyan Accents
 */

:root {
  --ml-bg: #07090e;
  --ml-sidebar-bg: #0c0f17;
  --ml-card-bg: #121722;
  --ml-card-hover: #182030;
  --ml-border: rgba(255, 255, 255, 0.08);
  --ml-border-focus: rgba(139, 92, 246, 0.5);
  
  --ml-text: #f1f5f9;
  --ml-text-muted: #94a3b8;
  --ml-text-dim: #64748b;
  
  --ml-accent: #8b5cf6;
  --ml-accent-hover: #7c3aed;
  --ml-accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --ml-cyan: #06b6d4;
  --ml-gold: #f59e0b;
  --ml-success: #10b981;
  --ml-danger: #ef4444;

  --ml-radius: 12px;
  --ml-radius-sm: 8px;
  --ml-radius-lg: 18px;
  --ml-sidebar-width: 260px;
  --ml-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--ml-bg);
  color: var(--ml-text);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: var(--ml-sidebar-width);
  background-color: var(--ml-sidebar-bg);
  border-right: 1px solid var(--ml-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--ml-transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  padding: 24px 22px 20px;
  text-decoration: none;
  color: var(--ml-text);
}

.brand-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: #ffffff;
}

.sidebar-nav {
  flex: 1;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ml-text-dim);
  letter-spacing: 0.8px;
  padding: 14px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  border-radius: var(--ml-radius-sm);
  color: var(--ml-text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--ml-transition);
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--ml-text);
  background-color: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #ffffff;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.18) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-left: 3px solid var(--ml-accent);
}

.nav-item svg {
  width: 19px;
  height: 19px;
  opacity: 0.8;
}

.nav-item.active svg {
  color: var(--ml-accent);
  opacity: 1;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--ml-border);
}

.user-mini-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--ml-radius-sm);
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  cursor: pointer;
  transition: var(--ml-transition);
}

.user-mini-card:hover {
  background: var(--ml-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.user-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #252e40;
  object-fit: cover;
}

.user-info {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ml-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-meta {
  font-size: 11px;
  color: var(--ml-text-dim);
}

/* Main Area */
.app-main {
  flex: 1;
  margin-left: var(--ml-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  height: 64px;
  border-bottom: 1px solid var(--ml-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ml-text);
  cursor: pointer;
}

.segmented-pill-group {
  display: flex;
  background: #0f1420;
  border: 1px solid var(--ml-border);
  border-radius: 24px;
  padding: 3px;
}

.pill-btn {
  background: transparent;
  border: none;
  color: var(--ml-text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--ml-transition);
}

.pill-btn.active {
  background: var(--ml-card-bg);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--ml-radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--ml-transition);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ml-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--ml-accent-hover);
}

.btn-secondary {
  background: var(--ml-card-bg);
  color: var(--ml-text);
  border-color: var(--ml-border);
}

.btn-secondary:hover {
  background: var(--ml-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-gradient {
  background: var(--ml-accent-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-gradient:hover {
  opacity: 0.95;
  box-shadow: 0 6px 18px rgba(139, 92, 246, 0.4);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Page Views */
.page-view {
  display: none;
  padding: 32px;
  animation: fadeIn 0.25s ease-out;
}

.page-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Metric / Streak Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ml-accent-gradient);
  opacity: 0.8;
}

.stat-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.12);
  color: var(--ml-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-num {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.stat-label {
  font-size: 12px;
  color: var(--ml-text-muted);
  font-weight: 500;
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12) 0%, rgba(6, 182, 212, 0.06) 100%);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--ml-radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-text h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.hero-text p {
  color: var(--ml-text-muted);
  max-width: 600px;
  font-size: 15px;
}

/* Compare / Match Widget */
.compare-box {
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.compare-inputs-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin: 20px 0;
}

.compare-input-wrap {
  position: relative;
}

.compare-input-wrap input {
  width: 100%;
  background: #0b0f17;
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-sm);
  padding: 14px 16px 14px 40px;
  color: #ffffff;
  font-size: 15px;
  outline: none;
  transition: var(--ml-transition);
}

.compare-input-wrap input:focus {
  border-color: var(--ml-accent);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.input-icon-prefix {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ml-text-dim);
  font-weight: 700;
}

.vs-badge {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1e2638;
  color: var(--ml-cyan);
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--ml-card-bg);
}

/* Movie Poster Grid */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 19px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.movies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 18px;
}

.movie-card {
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.movie-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
}

.poster-box {
  width: 100%;
  aspect-ratio: 2 / 3;
  position: relative;
  background: #090c13;
  overflow: hidden;
}

.poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.movie-card:hover .poster-img {
  transform: scale(1.03);
}

.rating-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(10, 14, 22, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ml-gold);
  display: flex;
  align-items: center;
  gap: 4px;
}

.source-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(10, 14, 22, 0.85);
  backdrop-filter: blur(6px);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ml-cyan);
}

.movie-card-info {
  padding: 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.movie-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.movie-sub {
  font-size: 11px;
  color: var(--ml-text-dim);
  display: flex;
  justify-content: space-between;
}

/* Import Zone */
.importer-card {
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-lg);
  padding: 32px;
}

.drop-zone {
  border: 2px dashed rgba(139, 92, 246, 0.4);
  border-radius: var(--ml-radius);
  padding: 48px 24px;
  text-align: center;
  background: rgba(139, 92, 246, 0.03);
  cursor: pointer;
  transition: var(--ml-transition);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--ml-cyan);
  background: rgba(6, 182, 212, 0.06);
}

.drop-icon {
  width: 52px;
  height: 52px;
  color: var(--ml-accent);
  margin-bottom: 16px;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--ml-card-bg);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--ml-text-dim);
  cursor: pointer;
  font-size: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ml-text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: #0a0d14;
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius-sm);
  padding: 12px 14px;
  color: #ffffff;
  font-size: 14px;
  outline: none;
}

.form-control:focus {
  border-color: var(--ml-accent);
}

/* Responsive */
@media (max-width: 900px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.mobile-open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
  }
  .mobile-toggle {
    display: block;
  }
  .compare-inputs-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .vs-badge {
    margin: 0 auto;
  }
  .page-view {
    padding: 20px;
  }
}