/* BangTLFilm — Netflix-inspired browse */

:root {
  --bg: #0b0b0b;
  --bg-elevated: #141414;
  --bg-row: #181818;
  --surface: #1f1f1f;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f5f5;
  --text-secondary: #b3b3b3;
  --text-muted: #808080;
  --accent: #e50914;
  --accent-hover: #f40612;
  --accent-soft: rgba(229, 9, 20, 0.18);
  --nav-h: 68px;
  --radius: 4px;
  --font-display: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --shadow-hero: linear-gradient(77deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.35) 45%, transparent 75%),
    linear-gradient(0deg, var(--bg) 0%, transparent 45%);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(229, 9, 20, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(80, 80, 80, 0.18), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body.modal-open { overflow: hidden; }
body.auth-locked { overflow: hidden; }

/* ── Login gate ──────────────────────────────────────────────────────────── */
.login-gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(229, 9, 20, 0.28), transparent 55%),
    radial-gradient(700px 400px at 85% 80%, rgba(255, 255, 255, 0.06), transparent 50%),
    #050505;
}

.login-gate__card {
  width: min(400px, 100%);
  background: rgba(20, 20, 20, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 28px 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  animation: fadeRise 0.55s var(--ease) both;
}

.login-gate__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.login-gate__title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.login-gate__title span { color: var(--accent); }

.login-gate__hint {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 22px;
  line-height: 1.5;
}

.login-gate__form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-gate__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.login-gate__input {
  width: 100%;
  background: #0f0f0f;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 14px;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s ease;
}

.login-gate__input:focus { border-color: #888; }

.login-gate__error {
  color: #f87171;
  font-size: 13px;
  font-weight: 600;
}

.login-gate__submit {
  margin-top: 8px;
  justify-content: center;
  width: 100%;
}

.nf-user-chip {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.auth-locked .app-shell {
  visibility: hidden;
  pointer-events: none;
}

img { display: block; max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }

/* ── Top nav ─────────────────────────────────────────────────────────────── */
.nf-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(16px, 3vw, 48px);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.75) 0%, transparent 100%);
}

body.scrolled .nf-nav {
  background: rgba(11, 11, 11, 0.94);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
}

.nf-nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nf-nav__mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent);
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.nf-nav__mark svg { width: 14px; height: 14px; fill: #fff; }

.nf-nav__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.nf-nav__name span { color: var(--accent); }

.nf-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nf-nav__links::-webkit-scrollbar { display: none; }

.nf-nav__link {
  flex-shrink: 0;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: color 0.2s ease, background 0.2s ease;
}

.nf-nav__link:hover { color: var(--text); }
.nf-nav__link.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nf-nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nf-pager {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

.nf-pager input,
.nf-pager select {
  width: 52px;
  height: 32px;
  border: none;
  background: transparent;
  text-align: center;
  outline: none;
  color: var(--text);
}

.nf-pager select { width: 64px; cursor: pointer; }

.nf-pager__btn,
.nf-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text);
  transition: background 0.2s ease;
}

.nf-pager__btn:hover,
.nf-icon-btn:hover { background: rgba(255, 255, 255, 0.1); }

.nf-pager__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.nf-pager__btn svg,
.nf-icon-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  pointer-events: none;
}

.nf-nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  place-items: center;
}

.nf-nav__toggle svg { width: 22px; height: 22px; fill: currentColor; }

.nf-nav-backdrop {
  display: none;
}

/* ── Hero billboard ──────────────────────────────────────────────────────── */
.nf-hero {
  position: relative;
  min-height: clamp(72vh, 78vh, 860px);
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 24px) clamp(16px, 4vw, 60px) 72px;
  overflow: hidden;
  isolation: isolate;
}

.nf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center top;
  transform: scale(1.04);
  animation: heroZoom 14s var(--ease) infinite alternate;
  z-index: -2;
}

.nf-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--shadow-hero);
  z-index: -1;
}

@keyframes heroZoom {
  from { transform: scale(1.02); }
  to { transform: scale(1.08); }
}

.nf-hero__content {
  max-width: min(640px, 100%);
  animation: fadeRise 0.8s var(--ease) both;
}

@keyframes fadeRise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.nf-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.nf-hero__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.65);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nf-hero__meta {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.nf-hero__desc {
  font-size: 16px;
  line-height: 1.55;
  color: #d6d6d6;
  max-width: 42ch;
  margin-bottom: 22px;
}

.nf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s var(--ease), background 0.2s ease, opacity 0.2s ease;
}

.nf-btn svg { width: 18px; height: 18px; fill: currentColor; }

.nf-btn:hover { transform: translateY(-1px); }

.nf-btn--primary {
  background: var(--text);
  color: #111;
}

.nf-btn--primary:hover { background: #e8e8e8; }

.nf-btn--ghost {
  background: rgba(109, 109, 110, 0.55);
  color: var(--text);
  backdrop-filter: blur(4px);
}

.nf-btn--ghost:hover { background: rgba(109, 109, 110, 0.75); }

.nf-btn--accent {
  background: var(--accent);
  color: #fff;
}

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

/* ── Rows ────────────────────────────────────────────────────────────────── */
.nf-main {
  position: relative;
  margin-top: -48px;
  padding: 0 0 80px;
  z-index: 2;
}

.nf-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(16px, 3vw, 48px) 18px;
}

.nf-toolbar__label {
  font-size: 13px;
  color: var(--text-secondary);
}

.nf-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  min-width: 180px;
  outline: none;
}

.nf-page-info {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-muted);
}

.nf-row {
  margin-bottom: 28px;
  animation: fadeRise 0.55s var(--ease) both;
}

.nf-row__head {
  padding: 0 clamp(16px, 3vw, 48px);
  margin-bottom: 10px;
}

.nf-row__title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
}

.nf-row__viewport {
  position: relative;
}

.nf-row__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px clamp(16px, 3vw, 48px) 18px;
  scrollbar-width: none;
}

.nf-row__track::-webkit-scrollbar { display: none; }

.nf-row__arrow {
  position: absolute;
  top: 0;
  bottom: 18px;
  width: 42px;
  z-index: 3;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease;
}

.nf-row__viewport:hover .nf-row__arrow { opacity: 1; }
.nf-row__arrow:hover { background: rgba(0, 0, 0, 0.72); }
.nf-row__arrow svg { width: 28px; height: 28px; fill: #fff; }
.nf-row__arrow--prev { left: 0; }
.nf-row__arrow--next { right: 0; }

/* Cards */
.nf-card {
  flex: 0 0 clamp(160px, 18vw, 260px);
  scroll-snap-align: start;
  text-align: left;
  animation: cardIn 0.45s var(--ease) both;
}

.nf-card--image {
  flex-basis: clamp(140px, 14vw, 200px);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.nf-card--image img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  transition: transform 0.35s var(--ease);
}

.nf-card--image:hover img { transform: scale(1.06); }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.nf-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.nf-card:hover .nf-card__thumb {
  transform: scale(1.08);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.55);
  z-index: 2;
}

.nf-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nf-card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nf-card:hover .nf-card__play { opacity: 1; }

.nf-card__play svg {
  width: 42px;
  height: 42px;
  fill: #fff;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

.nf-card__badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 2px;
}

.nf-card__title {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nf-card:hover .nf-card__title { color: var(--text); }

/* States */
.nf-state {
  display: grid;
  place-items: center;
  gap: 12px;
  padding: 80px 24px;
  text-align: center;
  color: var(--text-secondary);
}

.nf-spinner {
  width: 42px;
  height: 42px;
  border: 3px 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); } }

.nf-error {
  max-width: 420px;
  margin: 48px auto;
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.nf-error h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.nf-error p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.nf-error .error-msg {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Player modal ────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
}

.modal[hidden] { display: none !important; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(4px);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 24px));
  max-height: calc(100vh - 24px);
  margin: 12px auto;
  background: var(--bg-elevated);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.65);
  animation: modalIn 0.28s var(--ease);
  display: flex;
  flex-direction: column;
}

.modal__panel--settings {
  width: min(560px, calc(100% - 24px));
  max-height: 90vh;
  overflow: auto;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.player__stage {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  max-height: 68vh;
}

.player__stage video,
.player__image,
.player__embed {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
  display: block;
}

.player__embed { min-height: 56vh; }

.player__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.75);
  display: grid;
  place-items: center;
}

.player__close:hover { background: rgba(40, 40, 40, 0.95); }
.player__close svg { width: 18px; height: 18px; stroke: #fff; fill: none; }

.player__meta {
  padding: 18px 22px 24px;
}

.player__title {
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 800;
  margin-bottom: 10px;
}

.player__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

.player__stats strong { color: var(--text); font-weight: 700; }

/* Settings */
.settings-body { padding: 8px 22px 22px; }

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-field label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.settings-field input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  outline: none;
}

.settings-field input:focus { border-color: #666; }

.settings-alert {
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
}

.settings-alert--success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.settings-alert--error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px 8px;
}

.modal__header h2 {
  font-size: 18px;
  font-weight: 800;
}

/* Responsive */
@media (max-width: 900px) {
  .nf-nav__toggle { display: grid; }

  .nf-nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: auto;
    bottom: 0;
    width: min(280px, 82vw);
    flex-direction: column;
    align-items: stretch;
    background: rgba(11, 11, 11, 0.98);
    padding: 16px;
    transform: translateX(-105%);
    transition: transform 0.28s var(--ease);
    overflow-y: auto;
    z-index: 60;
  }

  body.nav-open .nf-nav__links { transform: translateX(0); }

  body.nav-open .nf-nav-backdrop {
    display: block;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 55;
  }

  .nf-pager { display: none; }

  .nf-hero {
    min-height: 68vh;
    align-items: flex-end;
    padding-bottom: 56px;
  }

  .nf-row__arrow { opacity: 0.85; }
}

@media (max-width: 560px) {
  .nf-nav__name { font-size: 22px; }
  .nf-hero__desc { font-size: 14px; }
  .nf-card { flex-basis: 72vw; }
  .player__stage { max-height: 48vh; }
}