/* ============================================
   BharathMovies — Premium Dark Theme
   Netflix × IMDb × Letterboxd inspired
   ============================================ */

:root {
  --bg: #0B0B0F;
  --card: #14141A;
  --card-hover: #1C1C24;
  --text: #F1F1F5;
  --text-muted: #9A9AA8;
  --accent: #E50914;
  --accent-glow: rgba(229, 9, 20, 0.45);
  --border: rgba(255, 255, 255, 0.06);
  --glass: rgba(11, 11, 15, 0.72);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 64px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

button,
select,
input {
  font-family: inherit;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--accent);
}

.nav-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition);
}

.nav-tab:hover {
  color: var(--text);
}

.nav-tab.active {
  color: var(--text);
}

.nav-tab.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
}

.search-wrap {
  position: relative;
  flex-shrink: 0;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 220px;
  height: 38px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 14px 0 38px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition), width var(--transition);
}

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

.search-input:focus {
  border-color: rgba(229, 9, 20, 0.5);
  background: rgba(255, 255, 255, 0.08);
  width: 280px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: min(72vh, 620px);
  min-height: 380px;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  transition: opacity 0.6s ease;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(11, 11, 15, 0.95) 0%,
    rgba(11, 11, 15, 0.7) 40%,
    rgba(11, 11, 15, 0.3) 70%,
    transparent 100%
  ),
  linear-gradient(
    to top,
    var(--bg) 0%,
    transparent 45%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 48px;
  max-width: 640px;
  margin-left: max(24px, calc((100% - 1400px) / 2 + 24px));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
  width: fit-content;
  box-shadow: 0 0 16px var(--accent-glow);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #f5c518;
  font-weight: 600;
}

.hero-overview {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: #f6121d;
  box-shadow: 0 6px 28px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

/* ---------- Filters ---------- */
.filters {
  position: sticky;
  top: var(--nav-height);
  z-index: 90;
  background: rgba(11, 11, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.filters-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.filter-select {
  appearance: none;
  background: var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239A9AA8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  padding: 8px 36px 8px 12px;
  min-width: 140px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}

.filter-select:hover,
.filter-select:focus {
  border-color: rgba(229, 9, 20, 0.4);
}

.clear-filters {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: 1px;
}

.clear-filters:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ---------- Main / Grid ---------- */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-count {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.movie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}

@media (min-width: 640px) {
  .movie-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .movie-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

.movie-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
  position: relative;
}

.movie-card:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent), 0 0 24px var(--accent-glow);
  z-index: 2;
}

.movie-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.card-poster-wrap {
  position: relative;
  aspect-ratio: 2 / 3;
  background: #1a1a22;
  overflow: hidden;
}

.card-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.movie-card:hover .card-poster {
  transform: scale(1.04);
}

.card-poster.lazy {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card-poster.loaded {
  opacity: 1;
}

.card-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 2.5rem;
  background: linear-gradient(135deg, #1a1a22, #121218);
}

.card-rating-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  color: #f5c518;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.card-info {
  padding: 12px 12px 14px;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-year {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Loading & Empty */
.loading-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.loading-more[hidden],
.empty-state[hidden] {
  display: none !important;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

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

.modal {
  background: var(--card);
  border-radius: 16px;
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
  transform: scale(0.96) translateY(12px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--transition), transform var(--transition);
}

.modal-close:hover {
  background: var(--accent);
  transform: scale(1.05);
}

.modal-body {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
}

.modal-poster-col {
  position: relative;
}

.modal-poster {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 16px 0 0 16px;
}

.modal-poster-placeholder {
  width: 100%;
  min-height: 420px;
  background: #1a1a22;
  display: grid;
  place-items: center;
  font-size: 4rem;
  color: var(--text-muted);
  border-radius: 16px 0 0 16px;
}

.modal-info {
  padding: 32px 36px 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  padding-right: 40px;
}

.modal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.modal-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #f5c518;
  font-weight: 700;
  font-size: 1rem;
}

.modal-tagline {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}

.modal-genres {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-tag {
  background: rgba(229, 9, 20, 0.15);
  color: #ff6b73;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(229, 9, 20, 0.25);
}

.modal-overview {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.modal-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-top: 6px;
}

.cast-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cast-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 110px;
}

.cast-name {
  font-weight: 600;
  color: var(--text);
}

.cast-character {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.trailer-wrap {
  margin-top: 8px;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 9;
}

.trailer-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.modal-loading {
  padding: 80px;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .modal-body {
    grid-template-columns: 1fr;
  }

  .modal-poster,
  .modal-poster-placeholder {
    border-radius: 16px 16px 0 0;
    min-height: 280px;
    max-height: 360px;
    object-fit: cover;
  }

  .modal-info {
    padding: 24px;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    gap: 12px;
    padding: 0 16px;
  }

  .nav-tabs {
    display: none;
  }

  .search-input {
    width: 160px;
  }

  .search-input:focus {
    width: 180px;
  }

  .hero {
    height: min(60vh, 480px);
  }

  .hero-content {
    margin-left: 16px;
    padding-bottom: 32px;
    max-width: calc(100% - 32px);
  }

  .filters-inner {
    padding: 0 16px;
  }

  .main {
    padding: 24px 16px 60px;
  }

  .movie-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1.1rem;
  }

  .filter-select {
    min-width: 120px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile category chips (shown when nav-tabs hidden) */
.mobile-tabs {
  display: none;
  gap: 8px;
  overflow-x: auto;
  padding: 0 16px 12px;
  scrollbar-width: none;
}

.mobile-tabs::-webkit-scrollbar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-tabs {
    display: flex;
  }

  .mobile-tab {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 20px;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition);
  }

  .mobile-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
  }
}