:root {
  --bg: #141414;
  --bg-soft: #1b1b1b;
  --red: #e50914;
  --red-dark: #b20710;
  --text: #f5f5f1;
  --muted: #b3b3b3;
  --card-radius: 4px;
  --nav-h: 56px;
  --cards-per-view: 3;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100dvh; }

button { font-family: inherit; cursor: pointer; }
img { display: block; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 4px;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 600;
}

.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); }

.btn-ghost { background: rgba(109, 109, 110, 0.7); color: #fff; }
.btn-ghost:hover { background: rgba(109, 109, 110, 0.5); }

/* ---------- login ---------- */

.login {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(229, 9, 20, 0.18), transparent 55%),
    var(--bg);
  padding: 20px;
}

.login[hidden] { display: none; }

.login-card {
  width: 100%;
  max-width: 340px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-logo {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.02em;
}

.login-sub { margin: 0 0 6px; color: var(--muted); }

.login-input {
  background: #333;
  border: 1px solid #454545;
  border-radius: 4px;
  color: var(--text);
  padding: 12px;
  font-size: 1rem;
}

.login-input:focus { outline: 2px solid #e87c03; outline-offset: -1px; }

.login-error {
  margin: 0;
  color: #e87c03;
  background: rgba(232, 124, 3, 0.12);
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 0.9rem;
}

.login-btn { justify-content: center; margin-top: 8px; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 4%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0));
  transition: background 0.3s;
}

.nav.scrolled { background: var(--bg); }

.nav-logo {
  background: none;
  border: 0;
  padding: 0;
  color: var(--red);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

/* ---------- categories menu ---------- */

.nav-cats { position: relative; }

.nav-cats-btn {
  background: none;
  border: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 4px;
}

.nav-cats-btn:hover { color: var(--muted); }

.cats-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 60;
  display: flex;
  gap: 8px;
  min-width: 340px;
  max-width: min(90vw, 560px);
  background: rgba(20, 20, 20, 0.97);
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 14px 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.cats-menu[hidden] { display: none; }

.cats-col { flex: 1 1 0; min-width: 140px; }

.cats-col-title {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red);
}

.cats-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cats-link {
  background: none;
  border: 0;
  color: var(--text);
  font-size: 0.9rem;
  padding: 4px 0;
  text-align: left;
}

.cats-link:hover { color: var(--red); }

.cats-loading { color: var(--muted); font-size: 0.85rem; padding: 4px 0; }

@media (max-width: 599px) {
  .cats-menu { flex-direction: column; left: 50%; transform: translateX(-50%); }
  .nav-cats-btn { font-size: 0.85rem; }
}

.nav-search {
  margin-left: auto;
  width: 220px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid #333;
  border-radius: 4px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.9rem;
}

.nav-search:focus { outline: 1px solid #777; }

.nav-logout {
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 6px;
}

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

@media (max-width: 767px) {
  .nav-search { width: 130px; }
}

/* ---------- rating / year chip ---------- */

.chip {
  color: #46d369;
  font-weight: 700;
  font-size: 0.95rem;
}

.chip-muted { color: var(--muted); font-size: 0.9rem; }

/* ---------- rows ---------- */

#rows { position: relative; z-index: 2; margin-top: calc(var(--nav-h) + 16px); padding-bottom: 60px; }

.row { margin: 0 0 8px; }

.row-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 0 4%;
  margin-bottom: 8px;
}

.row-title { margin: 0; font-size: 1.25rem; font-weight: 700; }

.row-error { color: var(--muted); font-size: 0.9rem; }
.row-error button {
  background: none;
  border: 0;
  color: var(--red);
  padding: 0 0 0 6px;
  font-size: 0.9rem;
}

.row-wrap { position: relative; }

.row-track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  /* padding keeps the hover scale from being clipped by overflow-x */
  padding: 24px 4%;
  scroll-padding: 0 4%;
  scrollbar-width: none;
}

.row-track::-webkit-scrollbar { display: none; }

.row-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 5;
  width: 4%;
  min-width: 40px;
  border: 0;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 1.6rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.row-wrap:hover .row-arrow { opacity: 1; }
.row-arrow:hover { background: rgba(0, 0, 0, 0.7); }
.row-arrow.left { left: 0; }
.row-arrow.right { right: 0; }

@media (hover: none) {
  .row-arrow { display: none; }
}

/* ---------- cards ---------- */

.card {
  position: relative;
  flex: 0 0 calc((100% - 8px * (var(--cards-per-view) - 1)) / var(--cards-per-view));
  scroll-snap-align: start;
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  text-align: left;
  border-radius: var(--card-radius);
  transition: transform 0.25s, z-index 0s 0.25s;
}

.card img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: var(--card-radius);
  background: var(--bg-soft);
}

.card:hover, .card:focus-visible {
  transform: scale(1.18) translateY(-6px);
  z-index: 4;
  outline: none;
}

/* only scale on devices with a real hover pointer */
@media (hover: none) {
  .card:hover, .card:focus-visible { transform: none; }
}

.card-title {
  position: absolute;
  inset: auto 0 0 0;
  padding: 22px 8px 8px;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.card:hover .card-title, .card:focus-visible .card-title { opacity: 1; }

/* gradient placeholder when TMDB has no poster */
.card-ph {
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: var(--card-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ddd;
  background: linear-gradient(160deg, #2b2b2b, #101010);
}

@media (min-width: 768px) { :root { --cards-per-view: 4.5; } }
@media (min-width: 1024px) { :root { --cards-per-view: 6; } }
@media (min-width: 1400px) { :root { --cards-per-view: 7; } }

/* ---------- search results ---------- */

.search-results { padding: calc(var(--nav-h) + 24px) 4% 60px; }

.search-title { margin: 0 0 16px; font-size: 1.4rem; }

.search-results .grid {
  display: grid;
  grid-template-columns: repeat(var(--cards-per-view), 1fr);
  gap: 14px 8px;
}

.search-empty { color: var(--muted); }

/* ---------- genre view ---------- */

.genre-more { margin: 24px auto 0; display: block; }
.genre-more[hidden] { display: none; }
.genre-more:disabled { opacity: 0.5; cursor: default; }

/* ---------- modal ---------- */

.modal {
  border: 0;
  border-radius: 8px;
  background: #181818;
  color: var(--text);
  width: min(820px, 92vw);
  max-height: 90dvh;
  padding: 0;
  overflow: visible;
}

.modal::backdrop { background: rgba(0, 0, 0, 0.75); }

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #181818;
  color: #fff;
  font-size: 1rem;
}

.modal-close:hover { background: #333; }

.modal-body { overflow-y: auto; max-height: 90dvh; border-radius: 8px; }

.modal-hero {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(to top, #181818, #333);
}

.modal-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
}

.modal-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #181818 0%, transparent 45%);
}

.modal-hero .hero-buttons {
  position: absolute;
  left: 24px;
  bottom: 18px;
  z-index: 1;
}

.modal-info { padding: 20px 24px 28px; }

.modal-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.modal-title { margin: 0; font-size: 1.6rem; font-weight: 800; }

.modal-meta { color: var(--muted); font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 8px; }

.modal-tagline { color: var(--muted); font-style: italic; margin: 0 0 10px; }

.modal-overview { line-height: 1.5; margin: 0 0 14px; }

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

.genre {
  border: 1px solid #444;
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.8rem;
  color: var(--muted);
}

.modal-trailer {
  display: inline-block;
  margin-top: 14px;
  color: #79b8ff;
  font-size: 0.9rem;
  text-decoration: none;
}

@media (max-width: 599px) {
  .modal-hero { aspect-ratio: 3 / 4; }
  .modal-hero .hero-buttons { left: 14px; bottom: 12px; }
  .modal-info { padding: 14px 16px 22px; }
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 200;
  background: #222;
  border: 1px solid #3a3a3a;
  border-left: 4px solid var(--red);
  border-radius: 6px;
  padding: 12px 18px;
  font-size: 0.95rem;
  max-width: 90vw;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
}

.toast.warn { border-left-color: #e87c03; }
.toast[hidden] { display: none; }

/* ---------- skeletons ---------- */

.skel {
  flex: 0 0 calc((100% - 8px * (var(--cards-per-view) - 1)) / var(--cards-per-view));
  aspect-ratio: 2 / 3;
  border-radius: var(--card-radius);
  background: linear-gradient(100deg, #1f1f1f 40%, #2c2c2c 50%, #1f1f1f 60%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite linear;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}