/**
 * How You Watch — Design System & Component Styles
 * 
 * Mobile-first, dark theme, Reddit-inspired layout.
 * Uses CSS custom properties for theming.
 */

/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root {
  /* Colors — Andrew Morgan Watches: dark, editorial, high-contrast.
     ~70% black, ~25% white, ~5% neon accent — the chartreuse reads
     loudest when it stays rare. */
  --bg-canvas: #000000;        /* Ink Black — dominant surface */
  --bg-surface: #0d0d0d;       /* Off-black cards / panels */
  --bg-surface-hover: #161616;
  --bg-comment: #0d0d0d;
  --bg-input: #161616;
  --bg-header: rgba(0, 0, 0, 0.85);

  --accent: #e1f003;           /* Volt Chartreuse — CTAs, links, highlights */
  --accent-hover: #eaff2e;
  --accent-dim: rgba(225, 240, 3, 0.14);

  --orange: #c7632f;           /* Burnt Orange — logo/wordmark only */

  --text-primary: #ffffff;     /* Pure White — headings, body, icons */
  --text-secondary: #8a8a8a;   /* Slate Grey — secondary text, metadata */
  --text-link: #e1f003;        /* Links carry the accent */
  --text-muted: #767676;       /* Meets AA 4.5:1 on black (placeholders, meta) */

  --border: #2a2a2a;           /* Hairline on black */
  --separator: #222222;

  --tier-0: #ffd700;
  --tier-1: #c0c0c0;
  --tier-2: #cd7f32;
  --tier-3: #8a8a8a;

  --danger: #ff4444;
  --success: #318b34;

  /* Typography — one geometric sans does all the work.
     Headlines heavy & UPPERCASE; body light-weight, sentence case. */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: 0.6875rem;   /* 11px */
  --fs-sm: 0.75rem;     /* 12px */
  --fs-base: 0.875rem;  /* 14px */
  --fs-md: 0.9375rem;   /* 15px */
  --fs-lg: 1.125rem;    /* 18px */
  --fs-xl: 1.5rem;      /* 24px */

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.3;
  --lh-normal: 1.5;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* Layout */
  --max-width: 760px;
  --header-height: 52px;
  --footer-height: 52px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

/* Anything scrolled into view (keyboard focus, scrollIntoView, in-page
   anchors) must land below the sticky header — without this, scroll
   targets sit underneath it and taps hit the header instead. Applies to
   every element because scroll targets include controls INSIDE cards
   (vote/star/expand buttons), not just the cards themselves. */
* {
  scroll-margin-top: calc(var(--header-height) + var(--sp-2));
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-canvas);
  min-height: 100vh;
  overflow-x: hidden;
  /* Reserve room for the fixed footer so page content ends above it and the
     footer never overlaps the last cards / legal sections. */
  padding-bottom: var(--footer-height);
}

a {
  color: var(--text-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* Keyboard focus ring. `:focus-visible` fires only for keyboard / AT
   navigation (not mouse clicks), so every focusable control — the ~20 per-card
   buttons, the tab buttons, links, and text fields — gets a consistent, visible
   position without intruding on pointer users. Restores what the removed
   `outline: none` declarations used to suppress with no fallback. */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Visually hidden, but announced by assistive tech. Used for structural
   headings that keep the document outline gap-free without adding visible
   chrome (e.g. the feed section's h2 between the h1 and the card h3s). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}



.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 1;
}

.header__logo-icon {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header__auth {
  flex-shrink: 0;
}

/* Signed-in user display */
.header__user {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.header__user-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent);
}

.header__user-name {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  display: none;
}

.header__signout-btn {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.header__signout-btn:hover {
  color: var(--text-primary);
}

.header__title-link {
  text-decoration: none;
  color: inherit;
}

.header__title-link:hover {
  text-decoration: none;
}

/* ============================================================
   FOOTER
   Fixed to the viewport bottom, mirroring the sticky header.
   Holds the site nav (moved out of the header) and a copyright
   line whose year is set at runtime. Sits below the fullscreen
   overlay (z-index 300) so it hides during fullscreen playback.
   ============================================================ */

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  height: var(--footer-height);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.footer__nav::-webkit-scrollbar {
  display: none;
}

.footer__nav-link {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer__nav-link--active {
  color: var(--text-secondary);
}

/* Copyright + version, right-aligned to mirror the nav */
.footer__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
}

.footer__copyright {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Version badge — filled from CONFIG.APP_VERSION at boot */
.footer__version {
  flex-shrink: 0;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  opacity: 0.7;
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */

.main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--sp-3) 0;
  /* Viewport minus both fixed bars keeps a short page from scrolling; the
     footer's own space comes from body's padding-bottom. */
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
}



/* ============================================================
   VIEW TABS (Latest / Top This Week)
   ============================================================ */

.feed-tabs {
  display: flex;
  gap: var(--sp-1);
  border-bottom: 1px solid var(--border);
}

.feed-tab {
  position: relative;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

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

/* Accent underline under the active tab */
.feed-tab--active::after {
  content: '';
  position: absolute;
  left: var(--sp-4);
  right: var(--sp-4);
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

/* ============================================================
   CONTENT-TYPE FILTER (Videos / Articles / Shorts chips)
   Pure CSS visibility: one class per hidden type on the feed
   container, cards carry data-media-type — nothing re-renders.
   ============================================================ */

.feed--hide-video [data-media-type="video"]:not(.media-card--fullscreen),
.feed--hide-article [data-media-type="article"]:not(.media-card--fullscreen),
.feed--hide-short [data-media-type="short"]:not(.media-card--fullscreen) {
  display: none;
}

/* ============================================================
   SEARCH & FILTER CONTROLS
   ============================================================ */

/* No horizontal padding — aligns with the full-bleed feed cards */
.feed-controls {
  padding: var(--sp-2) 0 0;
}

.feed-controls__search {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-family);
  font-size: var(--fs-base);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.feed-controls__search:focus {
  border-color: var(--accent);
}

.feed-controls__search::placeholder {
  color: var(--text-muted);
}

.feed-controls__chips {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: var(--sp-1);
}

.feed-controls__chips::-webkit-scrollbar {
  display: none;
}

.chip {
  flex-shrink: 0;
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.chip:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.chip--active {
  color: var(--bg-canvas);
  background: var(--accent);
  border-color: var(--accent);
}

.chip--active:hover {
  color: var(--bg-canvas);
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* ============================================================
   VIDEO CARD — Grid Layout (thumbnail left, info right)
   ============================================================ */

/* Nebula-style grid: video/article tiles, up to three across on desktop.
   Responsive column count is set at the tablet/desktop breakpoints below;
   base (mobile) is a single column. align-items:start keeps each tile at its
   natural height — a card whose comments are expanded grows on its own without
   stretching the rest of its row. */
.feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  padding: var(--sp-2) 0;
  align-items: start;
}

.media-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal), opacity 0.3s ease, transform 0.3s ease;
  /* Post-fullscreen scroll restore clears the sticky header via the
     universal scroll-margin-top rule in RESET & BASE. */
}

.media-card:hover {
  border-color: var(--text-muted);
}

.media-card--entering {
  opacity: 0;
  transform: translateY(12px);
}

/* Batch entrance (appendCards): the card is inserted at its final layout
   position immediately — only opacity/transform animate (compositor-only,
   zero layout shift). The stagger lives in --enter-delay per card;
   fill-mode "both" keeps the card invisible until its turn. */
.media-card--enter {
  animation: card-enter 0.3s ease both;
  animation-delay: var(--enter-delay, 0ms);
}

.media-card--enter-short {
  animation: card-enter-short 0.3s ease both;
  animation-delay: var(--enter-delay, 0ms);
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

@keyframes card-enter-short {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
}

.media-card--leaving {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

/* Vertical tile: thumbnail on top, content below (Nebula layout). Was a
   horizontal 280px|content row; stacking makes the card tile cleanly in the
   feed grid. */
.media-card__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.media-card__embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.media-card__embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.media-card__content {
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.media-card__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* Reserve two lines so a one-line title still occupies the same height as a
     two-line one — keeps tile bottoms aligned across a grid row. */
  min-height: calc(2 * var(--lh-tight) * 1em);
}

.media-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.media-card__title a:hover {
  color: var(--accent);
}

.media-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.media-card__channel {
  font-weight: var(--fw-medium);
  /* Let a long channel name shrink and ellipsize instead of pushing the
     time/views onto a second row (min-width:0 overrides flex min-content) */
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* The fixed-width meta parts never wrap or shrink */
.media-card__time,
.media-card__views {
  white-space: nowrap;
  flex-shrink: 0;
}

/* Star-a-creator button, inline with the channel name.
   Negative margin keeps the visual footprint tight while the padding
   gives it a ~30px tap target. */
.media-card__star {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  min-height: 30px;
  margin: calc(-1 * var(--sp-2)) calc(-1 * var(--sp-1));
  font-size: var(--fs-base);
  line-height: 1;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.media-card__star:hover {
  color: var(--accent);
  transform: scale(1.15);
}

.media-card__star--active {
  color: var(--accent);
}

.media-card__separator {
  color: var(--text-muted);
}

/* ============================================================
   CHANNELS TAB — 3-up grid of favouritable creator cards.
   Reuses .media-card__star for the favourite button, so these
   star overrides must sit AFTER the base star rules to win.
   ============================================================ */

.feed.feed--channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

.channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-3);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-normal);
}

.channel-card:hover {
  border-color: var(--text-muted);
}

.channel-card__figure {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--accent-dim);
  text-decoration: none;
}

/* Fallback tile, revealed when there's no avatar or the image fails to load. */
.channel-card__monogram {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  line-height: 1;
}

.channel-card__avatar {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--bg-surface);
}

.channel-card__name {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  text-decoration: none;
  line-height: var(--lh-tight);
}

.channel-card__name:hover {
  color: var(--accent);
}

/* Favourite star, pinned to the card's top-right corner. Resets the negative
   inline-meta offsets .media-card__star carries and enlarges the tap target. */
.channel-card__star {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  margin: 0;
  font-size: var(--fs-lg);
}

@media (max-width: 640px) {
  .feed.feed--channels {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Stack on narrow mobile */
@media (max-width: 540px) {
  .media-card__grid {
    grid-template-columns: 1fr;
  }

  /* Small gutter so cards and controls don't touch the screen edge */
  .main {
    padding: var(--sp-3) var(--sp-2);
  }

  /* 16px inputs stop iOS Safari from auto-zooming on focus */
  .feed-controls__search,
  .media-card__textarea,
  .reply-form__textarea {
    font-size: 1rem;
  }

  /* Bigger touch targets */
  .chip {
    padding: var(--sp-2) var(--sp-4);
  }

  /* Three tabs share one narrow row */
  .feed-tab {
    padding: var(--sp-3) var(--sp-2);
    font-size: var(--fs-sm);
  }

  .feed-tab--active::after {
    left: var(--sp-2);
    right: var(--sp-2);
  }

  .comment__reply-btn {
    padding: var(--sp-2) var(--sp-3);
  }
}

/* ============================================================
   INLINE COMMENTS SECTION (per video card)
   ============================================================ */

.media-card__comments-section {
  border-top: 1px solid var(--separator);
}

/* Footer row holding the upvote button + comments toggle */
.media-card__actionbar {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

/* Upvote button */
.media-card__vote {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.media-card__vote:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.media-card__vote-icon {
  font-size: var(--fs-base);
  line-height: 1;
  transition: transform var(--transition-fast);
}

.media-card__vote--active {
  color: var(--accent);
}

.media-card__vote--active .media-card__vote-icon {
  transform: translateY(-1px) scale(1.1);
}

.media-card__vote-count {
  min-width: 1ch;
  font-variant-numeric: tabular-nums;
}

.media-card__comments-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.media-card__comments-toggle:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

/* In the footer row the toggle takes the remaining width, not 100% */
.media-card__actionbar .media-card__comments-toggle {
  width: auto;
  flex: 1;
  justify-content: flex-start;
}

/* Expand-to-fullscreen and share buttons, bottom right of every card */
.media-card__expand,
.media-card__share {
  display: flex;
  align-items: center;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-base);
  line-height: 1;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.media-card__expand:hover,
.media-card__share:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

/* Mount point for a deep-linked (?v=) card that isn't in the feed. Shares
   the .feed grid styling for the card itself, but must contribute zero
   height while unused or the feed gets phantom top spacing. */
#deeplink-container:empty {
  display: none;
}

/* ============================================================
   FULLSCREEN MODE
   The expanded card becomes a fixed overlay covering the viewport;
   everything else stays put underneath (scroll position intact).
   ============================================================ */

body.fullscreen-mode {
  overflow: hidden;
}

.media-card--fullscreen {
  position: fixed;
  inset: 0;
  z-index: 300;
  border: none;
  border-radius: 0;
  overflow-y: auto;
  background: var(--bg-canvas);
  animation: fullscreenIn 0.25s ease;
  padding: 0 var(--sp-4) var(--sp-8);
}

/* Opacity only — a transform here would shrink the overlay mid-animation
   and turn the card into the containing block for the fixed exit button */
@keyframes fullscreenIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Single column: big player on top, meta below, comments underneath */
.media-card--fullscreen .media-card__grid {
  grid-template-columns: 1fr;
  max-width: 960px;
  margin: 0 auto;
}

.media-card--fullscreen .media-card__embed,
.media-card--fullscreen .article-card__embed {
  margin-top: var(--sp-4);
  border-radius: var(--radius-md);
}

.media-card--fullscreen .media-card__content {
  padding: var(--sp-4) 0;
}

/* Align the comments with the title at the overlay's edge (the card's
   own padding already provides the horizontal inset) */
.media-card--fullscreen .media-card__comments-body {
  padding: 0 0 var(--sp-4);
}

.media-card--fullscreen .media-card__title {
  font-size: var(--fs-lg);
  -webkit-line-clamp: unset;
  line-clamp: unset;
}

.media-card--fullscreen .media-card__comments-section {
  max-width: 960px;
  margin: 0 auto;
}

/* The expand button flips to an exit control, pinned to the top-right
   corner of the 960px content column — not the viewport edge, or on wide
   screens it strands out in the black margin, disconnected from the card.
   right = distance from viewport edge to the column's right edge
   (50% - 480px), inset slightly so it sits just inside the corner;
   clamped to a gutter once the column fills the viewport. */
.media-card--fullscreen .media-card__expand {
  position: fixed;
  top: 50px;
  right: max(var(--sp-4), calc(50% - 480px + var(--sp-4)));
  z-index: 310;
  font-size: calc(var(--fs-base) * 1.1); /* X glyph 10% larger for a clearer target */
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: var(--sp-2);
}

.media-card--fullscreen .media-card__expand:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* On narrow screens the player spans the full width, so give it clearance
   below the fixed exit button (top --sp-8 + ~32px height + breathing room).
   Placed after the base fullscreen rules — same specificity, so source
   order decides. */
@media (max-width: 540px) {
  .media-card--fullscreen .media-card__embed,
  .media-card--fullscreen .article-card__embed {
    margin-top: 72px;
  }
}

.media-card__comments-body {
  padding: 0 var(--sp-4) var(--sp-4);
}

.media-card__comments-list {
  margin-bottom: var(--sp-3);
  transition: opacity 0.3s ease;
}

.media-card__comments-list.is-updating {
  opacity: 0.3;
  pointer-events: none;
}

.media-card__comment-input {
  margin-top: var(--sp-2);
}

.media-card__auth-prompt {
  padding: var(--sp-3);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  background: var(--bg-comment);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.media-card__auth-prompt-btn {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-2);
}

.media-card__comment-form {
  background: var(--bg-comment);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.media-card__textarea {
  width: 100%;
  padding: var(--sp-3);
  font-family: var(--font-family);
  font-size: var(--fs-sm);
  color: var(--text-primary);
  background: transparent;
  border: none;
  resize: vertical;
  min-height: 48px;
}

.media-card__textarea::placeholder {
  color: var(--text-muted);
}

.media-card__comment-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--separator);
}

.media-card__charcount {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.comments-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  padding: var(--sp-4);
}

.comments-loading-inline {
  text-align: center;
  padding: var(--sp-4);
}



/* Comment Thread */
.comment-thread {
  margin-bottom: var(--sp-4);
}

.comment-thread__replies {
  padding-left: var(--sp-5);
  border-left: 2px solid var(--separator);
  margin-left: var(--sp-4);
  margin-top: var(--sp-2);
}

.comment {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  transition: opacity var(--transition-normal);
}

.comment--optimistic {
  opacity: 0.6;
}

.comment--depth-1 {
  padding: var(--sp-2) 0;
}

.comment__avatar-img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.comment--depth-1 .comment__avatar-img {
  width: 22px;
  height: 22px;
}

.comment__body {
  flex: 1;
  min-width: 0;
}

.comment__header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-1);
}

.comment__author {
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.comment__separator {
  color: var(--text-muted);
}

.comment__time {
  color: var(--text-muted);
}

.comment__text {
  font-size: var(--fs-base);
  color: var(--text-primary);
  line-height: var(--lh-normal);
  word-wrap: break-word;
}

.comment__actions {
  margin-top: var(--sp-2);
}

.comment__reply-btn {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.comment__reply-btn:hover {
  color: var(--accent);
}

/* Reply Form (inline) */
.reply-form {
  margin-top: var(--sp-2);
  margin-left: calc(28px + var(--sp-3)); /* avatar width + gap */
}

.reply-form__textarea {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-family);
  font-size: var(--fs-sm);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  resize: none;
  min-height: 48px;
}

.reply-form__textarea:focus {
  border-color: var(--accent);
}

.reply-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
}

/* Solid accent CTA — fill flips to a lighter neon on hover */
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-canvas);
}

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

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Outlined secondary — white border on black, inverts to a white fill on
   hover. Keeps the neon rare (accent stays on the one primary action). */
.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--text-primary);
  color: var(--bg-canvas);
  border-color: var(--text-primary);
}

.btn--sm {
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--fs-xs);
}

/* ============================================================
   LOADING SKELETONS
   ============================================================ */

/* Mirrors the real feed grid so the loading state tiles exactly like the cards
   it stands in for (responsive columns are set at the breakpoints alongside
   .feed). */
.feed-skeleton {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  padding: var(--sp-2) 0;
  align-items: start;
}

.skeleton-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Vertical tile: shimmer thumbnail on top, lines below — matches
   .media-card__grid. */
.skeleton-card__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.skeleton-embed {
  aspect-ratio: 16 / 9;
  background: linear-gradient(
    90deg,
    var(--bg-surface) 25%,
    var(--bg-surface-hover) 50%,
    var(--bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-content {
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
}

.skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-3);
  background: linear-gradient(
    90deg,
    var(--bg-surface-hover) 25%,
    var(--separator) 50%,
    var(--bg-surface-hover) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-line--title {
  width: 80%;
}

.skeleton-line--meta {
  width: 50%;
  height: 12px;
}

/* Hints at the vote/comments/expand action bar below each tile's content. */
.skeleton-line--actions {
  width: 40%;
  height: 12px;
  margin-top: var(--sp-1);
  margin-bottom: 0;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   SPINNER
   ============================================================ */

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

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



/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

.toast-container {
  position: fixed;
  top: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 400; /* above the fullscreen overlay (300) and its exit button (310) */
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  pointer-events: none;
}

.toast {
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-lg);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  pointer-events: auto;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 3.6s forwards;
  max-width: 480px;
  text-align: center;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
}

.toast--error {
  background: var(--danger);
  color: #fff;
}

.toast--success {
  background: var(--success);
  color: #fff;
}

.toast--info {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ============================================================
   FEED CONTROLS
   ============================================================ */

.feed__load-more {
  text-align: center;
  padding: var(--sp-6) var(--sp-4);
}



.feed__empty {
  text-align: center;
  padding: var(--sp-8);
  color: var(--text-secondary);
}

/* Cold-load failure state (FE2): message + Retry button stacked in #feed-empty */
.feed__empty-message {
  margin: 0;
}

.feed__retry-btn {
  margin-top: var(--sp-4);
}

.feed__searching {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-8);
  color: var(--text-secondary);
}

.feed__searching p {
  margin: 0;
  font-size: var(--fs-sm);
}

/* ============================================================
   RESPONSIVE — Tablet & Desktop
   ============================================================ */

@media (min-width: 640px) {
  .header__user-name {
    display: block;
  }

  /* Two tiles across on tablet (feed + its loading skeleton in lockstep) */
  .feed,
  .feed-skeleton {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  :root {
    /* Wider canvas so three tiles have room to breathe (~355px each). */
    --max-width: 1120px;
  }

  /* Three tiles across on desktop — the Nebula grid (feed + skeleton) */
  .feed,
  .feed-skeleton {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   LEGAL PAGES (Terms, Privacy)
   ============================================================ */

.legal-page {
  padding: var(--sp-6) var(--sp-4);
  max-width: 680px;
  margin: 0 auto;
}

.legal-page__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}

.legal-page__updated {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-bottom: var(--sp-8);
}

.legal-page__section {
  margin-bottom: var(--sp-8);
}

.legal-page__section h3 {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}

.legal-page__section h4 {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-2);
}

.legal-page__section p {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-3);
}

.legal-page__section ul {
  padding-left: var(--sp-5);
  margin-bottom: var(--sp-3);
}

.legal-page__section li {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-2);
}

.legal-page__section code {
  background: var(--bg-input);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
}

.legal-page__section a {
  color: var(--text-link);
}

.legal-page__section a:hover {
  text-decoration: underline;
}

/* ============================================================
   ERROR PAGE (404)
   ============================================================ */

.error-page {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-4);
  text-align: center;
}

.error-page__code {
  font-size: 6rem;
  font-weight: var(--fw-bold);
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--sp-3);
}

.error-page__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}

.error-page__text {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-6);
}

/* ============================================================
   ARTICLE CARD STYLES
   ============================================================ */

.article-card__embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background: var(--bg-input);
  overflow: hidden;
}

/* Covers the embed area so the whole image is one tap target */
.article-card__embed-link {
  position: absolute;
  inset: 0;
  display: block;
}

.article-card__img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card__placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
}

.article-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.article-card:hover .article-card__overlay {
  opacity: 1;
}

.article-card:hover .article-card__img {
  transform: scale(1.05);
}

.article-card__link-btn {
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.feed-truncation-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 16px 0 24px;
}