/* ==========================================================================
   The hidden attribute — global guard.
   Author `display` rules below (nav menus, overlays, states) must never
   beat the HTML hidden attribute: the UA sheet's [hidden] is only worth
   its name against other UA rules. Without this guard a `display: flex`
   overlay marked hidden still renders — invisible opacity but STILL a
   full-viewport sheet that silently eats every click.
   ========================================================================== */
[hidden] { display: none !important; }

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  /* "Marquee at night" — warm near-black rather than neutral tech-gray,
     so the gold accent and poster art both read as intentional, not a
     generic dark-mode-plus-accent default. */
  --color-bg: #15110e;
  --color-surface: #201a16;
  --color-surface-elevated: #2b2320;
  --color-border: #3a2f2a;

  --color-text-primary: #f3ece6;
  --color-text-secondary: #b4a79c;

  --color-accent: #d9a441;        /* marquee gold — brand, nav, filters */
  --color-accent-contrast: #1b1209;

  --color-like: #4e9f6e;          /* muted sage, not neon */
  --color-like-bg: rgba(78, 159, 110, 0.16);
  --color-dislike: #c1543f;       /* brick red, not vermilion */
  --color-dislike-bg: rgba(193, 84, 63, 0.16);
  --color-neutral: #8a7c6e;
  --color-neutral-bg: rgba(138, 124, 110, 0.16);

  --font-display: 'Abril Fatface', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --header-height: 56px;
  --action-bar-height: 96px;
  --footer-height: 34px;

  --radius-lg: 22px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

/* ==========================================================================
   Base
   ========================================================================== */
* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
}

a {
  color: inherit;
}

/* ==========================================================================
   Header + nav
   ========================================================================== */
.app-header {
  height: var(--header-height);
  padding-top: env(safe-area-inset-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 12px;
  padding-right: 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  position: relative;
  z-index: 20;
}

.app-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
  margin: 0;
  color: var(--color-accent);
  letter-spacing: 0.01em;
}

/* Two icon buttons next to each other (e.g. refresh + filters) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}
#refreshButton.refreshing svg {
  animation: spin 0.8s linear infinite;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-btn:active { background: var(--color-surface-elevated); }

.nav-menu {
  position: absolute;
  top: var(--header-height);
  left: 8px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 6px;
  display: flex;
  flex-direction: column;
  min-width: 170px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
  z-index: 30;
}
.nav-menu a {
  padding: 11px 14px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}
.nav-menu a:active { background: var(--color-surface); }
.nav-menu a.nav-disabled {
  color: var(--color-text-secondary);
  pointer-events: none;
  opacity: 0.55;
}

/* ==========================================================================
   Card stage
   ========================================================================== */
.card-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 14px;
}

.card-stack {
  position: relative;
  width: 100%;
  height: 100%;
}

.film-card {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  touch-action: none;
  will-change: transform;
  user-select: none;
  transform-origin: bottom center;
}

.film-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  background: var(--color-surface-elevated);
}

.film-card .card-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 18px 18px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0) 70%);
  text-align: left;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.08;
  margin: 0 0 4px;
}

.card-year {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.film-card.stack-1 {
  transform: scale(0.94) translateY(14px);
  z-index: 1;
  opacity: 0.85;
  pointer-events: none;
}
.film-card.stack-0 {
  z-index: 2;
}
/* Promotion settle: a behind card becoming the top card (promoteNext) eases
   its stack-1 scale/offset to rest. Short by design, and swipeCard removes
   the class on pointerdown so a grab is never fought by the transition. */
.film-card.settling {
  transition: transform 0.18s ease-out, opacity 0.18s ease-out;
}

.card-badge {
  position: absolute;
  top: 26px;
  padding: 7px 16px;
  border: 3px solid;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  opacity: 0;
  z-index: 3;
}
.card-badge.like {
  right: 20px;
  color: var(--color-like);
  border-color: var(--color-like);
  transform: rotate(-10deg);
}
.card-badge.dislike {
  left: 20px;
  color: var(--color-dislike);
  border-color: var(--color-dislike);
  transform: rotate(10deg);
}
/* Third commit direction: DOWN = "not seen" — top-centre, no rotation */
.card-badge.notseen {
  top: 14px;
  left: 50%;
  color: var(--color-neutral);
  border-color: var(--color-neutral);
  transform: translateX(-50%);
}

/* Entrance / exit motion — only ever triggered by a user action, never idle */
@keyframes cardEnter {
  from { transform: scale(0.92) translateY(18px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}
@keyframes flyOutRight { to { transform: translate(160%, -30px) rotate(26deg); opacity: 0; } }
@keyframes flyOutLeft  { to { transform: translate(-160%, -30px) rotate(-26deg); opacity: 0; } }

/* "Not seen" fly-out follows its trigger gesture: downward */
@keyframes flyOutDown  { to { transform: translate(0, 140%) scale(0.92); opacity: 0; } }
@keyframes fade-in     { from { opacity: 0; translate: 0 8px; } to { opacity: 1; translate: 0 0; } }

.film-card.entering     { animation: cardEnter 0.32s ease-out forwards; }
.film-card.leaving-right{ animation: flyOutRight 0.35s ease-in forwards; }
.film-card.leaving-left { animation: flyOutLeft 0.35s ease-in forwards; }
.film-card.leaving-down { animation: flyOutDown 0.35s ease-in forwards; }

.empty-state {
  position: absolute;
  inset: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-secondary);
  padding: 32px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.empty-state a { color: var(--color-accent); text-decoration: none; font-weight: 600; }
.empty-hint { margin: 6px 0 0; }

.loading-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
/* hidden-state handling: see the global [hidden] guard at the top */

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Action bar
   ========================================================================== */
.action-bar {
  height: var(--action-bar-height);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-shrink: 0;
}

.action-btn {
  border: none;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease;
}
.action-btn:active { transform: scale(0.9); }

.action-dislike { background: var(--color-dislike-bg); color: var(--color-dislike); }
.action-like     { background: var(--color-like-bg); color: var(--color-like); }

.action-notseen {
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
  width: 74px;
  height: 74px;
  flex-direction: column;
  gap: 3px;
}
.action-notseen span { font-size: 0.62rem; font-weight: 500; }

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer {
  height: var(--footer-height);
  padding-bottom: env(safe-area-inset-bottom);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}
.app-footer a { text-decoration: none; }
.app-footer a:active { color: var(--color-text-primary); }

/* ==========================================================================
   Filter panel
   ========================================================================== */
.filter-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 50;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.filter-overlay.open { opacity: 1; }

.filter-panel {
  background: var(--color-surface);
  width: 100%;
  max-height: 85vh;
  border-radius: 20px 20px 0 0;
  padding: 18px 18px calc(18px + env(safe-area-inset-bottom));
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.filter-overlay.open .filter-panel { transform: translateY(0); }

.filter-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.filter-panel-header h2 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
}

.filter-section { margin-top: 18px; }
.filter-section h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 0 0 10px;
}

.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
}
.chip.selected {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-color: var(--color-accent);
  font-weight: 600;
}

.range-inputs {
  display: flex;
  align-items: center;
  gap: 10px;
}
.range-inputs input {
  width: 100px;
}

input[type="number"],
input[type="email"],
input[type="password"],
input[type="text"],
select {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  width: 100%;
}
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}
input[disabled],
button[disabled] { opacity: 0.55; }
::placeholder { color: var(--color-text-secondary); opacity: 0.7; }
select { width: 100%; }

.filter-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.filter-toggle-row label { font-size: 0.9rem; }
.filter-toggle-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-accent);
}

.filter-actions {
  display: flex;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  flex: 1;
  padding: 13px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--color-accent); color: var(--color-accent-contrast); }
.btn-secondary { background: var(--color-surface-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border); }

/* ==========================================================================
   Auth pages (login landing / register / verify)
   ========================================================================== */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}

.auth-card {
  width: min(92vw, 400px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px calc(26px + env(safe-area-inset-bottom));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.auth-logo {
  display: block;
  margin: 0 auto 10px;
  height: 54px;
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.8rem;
  margin: 0 0 4px;
  color: var(--color-accent);
  text-align: center;
}

.auth-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin: 0 0 22px;
}

.auth-form .form-group {
  margin-bottom: 16px;
}

.auth-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0 6px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.checkbox-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--color-accent);
}
.checkbox-row a { color: var(--color-accent); }

.alert {
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  border: 1px solid;
}
/* hidden-state handling: see the global [hidden] guard at the top */
.alert-error   { background: var(--color-dislike-bg); border-color: var(--color-dislike); color: var(--color-text-primary); }
.alert-success { background: var(--color-like-bg); border-color: var(--color-like); color: var(--color-text-primary); }

.link-row {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 16px;
  text-align: center;
}
.link-row a,
.auth-subtitle a { color: var(--color-accent); }

.divider {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  margin: 20px 0 8px;
}

/* Social sign-in block (login landing / register): rule lines + brand
   buttons pick up the .btn base; the container starts [hidden] and JS
   reveals it per provider once /auth/providers answered. */
.divider-with-lines {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 12px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}
.divider-with-lines::before,
.divider-with-lines::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.social-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}
.btn-social:active { background: var(--color-border); }

.btn-social .brand-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.social-legal {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin: 12px 0 0;
}
.social-legal a { color: var(--color-accent); }

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  padding: 9px 13px;
  font-size: 0.85rem;
}
.btn-outline:active { background: var(--color-surface-elevated); }

/* ==========================================================================
   Legal pages
   ========================================================================== */
.legal-body {
  display: block;
  overflow-y: auto;
}

.legal-article {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.legal-article h1 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-accent);
  font-size: 2rem;
  margin: 0 0 18px;
}

.legal-article h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 26px 0 8px;
}

.legal-article p,
.legal-article li {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.legal-article a { color: var(--color-accent); }

/* ==========================================================================
   Cookie notice & settings
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: calc(12px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: min(94vw, 560px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  z-index: 300;
  animation: fade-in 0.25s ease-out;
}
.cookie-banner p { margin: 0 0 12px; font-size: 0.85rem; color: var(--color-text-secondary); }
.cookie-banner a { color: var(--color-accent); }
.cookie-banner-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.cookie-banner-actions .btn { padding: 8px 14px; font-size: 0.85rem; }

.cookie-settings {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 310;
}
/* hidden-state handling: see the global [hidden] guard at the top */
.cookie-settings-card {
  width: min(92vw, 460px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.cookie-settings-card h2 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-accent);
  margin: 0 0 10px;
  font-size: 1.3rem;
}
.cookie-settings-card p { font-size: 0.85rem; color: var(--color-text-secondary); margin: 0 0 14px; }
.cookie-settings-card a { color: var(--color-accent); }
.cookie-settings-card label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  margin-bottom: 8px;
}
.cookie-settings-card input[type="checkbox"] { accent-color: var(--color-accent); width: 18px; height: 18px; }
.cookie-settings-note { font-size: 0.78rem !important; opacity: 0.8; margin-bottom: 16px !important; }

/* ==========================================================================
   Recommendation notification (rating screen)
   ========================================================================== */
.rec-notification {
  position: fixed;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 380px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  z-index: 200;
  animation: fade-in 0.25s ease-out;
}
.rec-notification p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}
.rec-notification-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.rec-notification-actions .btn {
  padding: 8px 14px;
  font-size: 0.85rem;
  text-decoration: none;
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .film-card,
  .filter-overlay,
  .filter-panel,
  .spinner {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}