/* ===========================================================================
   feed.css — the Daily Feed surface. Reuses the brand tokens, reset, nav and
   footer from styles.css; everything below is feed-specific.
   Mobile-first; scales up at 560px.
   =========================================================================== */

.feed { width: 100%; max-width: 680px; padding: 0 18px; }

/* --- Header ---------------------------------------------------------------- */
.feed-head { padding: 34px 2px 20px; }
.feed-live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange-400); margin-bottom: 14px; }
.feed-live .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange-500); box-shadow: 0 0 0 0 rgba(255,106,43,0.55); animation: pulse 2s infinite; }
.feed-title { font-family: var(--font-display); font-weight: 900; text-transform: uppercase; line-height: 0.94; letter-spacing: -0.01em; font-size: clamp(30px, 8vw, 46px); }
.feed-title span { color: var(--orange-500); }
.feed-sub { margin-top: 14px; color: var(--slate-400); font-size: 14.5px; line-height: 1.55; max-width: 520px; }
.feed-sub b { color: var(--ink-100); font-weight: 600; }

/* --- Submit bar / composer ------------------------------------------------- */
.submit { margin: 6px 2px 18px; }
.submit-bar { width: 100%; display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--navy-900); border: 1px solid var(--navy-700); border-radius: 12px; text-align: left; color: var(--slate-400); font-size: 14.5px; transition: border-color 0.15s ease, background 0.15s ease; }
.submit-bar:hover { border-color: var(--navy-600); background: var(--navy-800); }
.submit-bar .plus { flex-shrink: 0; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; background: var(--orange-500); color: var(--navy-950); border-radius: 8px; font-size: 18px; font-weight: 700; line-height: 1; }
.submit-bar .label { flex: 1; }

.composer { display: none; background: var(--navy-900); border: 1px solid var(--navy-700); border-radius: 12px; padding: 14px; }
.composer.open { display: block; animation: slidein 0.18s ease; }
.composer textarea { width: 100%; min-height: 72px; resize: vertical; padding: 12px 14px; background: var(--navy-950); border: 1px solid var(--navy-700); border-radius: 9px; color: var(--ink-100); font-family: var(--font-body); font-size: 15px; line-height: 1.45; }
.composer textarea::placeholder { color: var(--slate-500); }
.composer textarea:focus { outline: none; border-color: var(--orange-500); }
.composer-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.composer-note { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; text-transform: uppercase; color: var(--slate-500); display: flex; align-items: center; gap: 6px; }
.composer-note svg { width: 12px; height: 12px; opacity: 0.8; }
.composer-actions { display: flex; gap: 8px; }
.btn-ghost { padding: 9px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--slate-400); transition: color 0.15s ease, background 0.15s ease; }
.btn-ghost:hover { color: var(--ink-100); background: var(--navy-800); }
.btn-primary { padding: 9px 18px; background: var(--orange-500); color: var(--navy-950); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em; border-radius: 8px; transition: background 0.15s ease, transform 0.08s ease; }
.btn-primary:hover { background: var(--orange-400); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.4; cursor: default; }

/* --- Sticky sort controls -------------------------------------------------- */
.feed-controls { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 6px; padding: 12px 2px; margin-bottom: 4px; background: color-mix(in srgb, var(--navy-950) 82%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--navy-800); }
.sort-tab { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: 100px; font-size: 13px; font-weight: 600; color: var(--slate-400); border: 1px solid transparent; transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease; }
.sort-tab svg { width: 13px; height: 13px; }
.sort-tab:hover { color: var(--ink-100); background: var(--navy-800); }
.sort-tab.active { color: var(--orange-400); background: rgba(255,106,43,0.1); border-color: rgba(255,106,43,0.3); }
.feed-count { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--slate-500); letter-spacing: 0.03em; padding-right: 4px; white-space: nowrap; }

/* --- Feed list & cards ----------------------------------------------------- */
.feed-list { display: flex; flex-direction: column; gap: 12px; padding: 8px 0 0; }

.card { position: relative; display: grid; grid-template-columns: 46px 1fr; gap: 12px; background: var(--navy-900); border: 1px solid var(--navy-700); border-radius: 14px; padding: 14px 16px 0; overflow: hidden; transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease; }
.card:hover { border-color: var(--navy-600); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.22); }
.card.hot { border-color: rgba(255,106,43,0.28); }
.card.hot::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: linear-gradient(var(--orange-500), var(--orange-400)); }
.card.new-flash { animation: flash 1.2s ease; }

/* Vote column */
.vote-col { display: flex; flex-direction: column; align-items: center; gap: 2px; padding-top: 2px; }
.vbtn { width: 34px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: var(--slate-500); transition: color 0.12s ease, background 0.12s ease, transform 0.08s ease; }
.vbtn svg { width: 16px; height: 16px; }
.vbtn:hover { background: var(--navy-800); color: var(--orange-400); }
.vbtn:active { transform: scale(0.86); }
.vbtn.up.on { color: var(--orange-500); background: rgba(255,106,43,0.12); }
.vbtn.down.on { color: var(--slate-400); background: var(--navy-800); }
.vote-num { font-family: var(--font-mono); font-size: 15px; font-weight: 700; color: var(--ink-100); line-height: 1; padding: 2px 0; min-width: 2ch; text-align: center; transition: color 0.15s ease; }
.vote-num.bumped { animation: bump 0.28s ease; }
.card:has(.vbtn.up.on) .vote-num { color: var(--orange-400); }

/* Card body */
.card-main { min-width: 0; padding-bottom: 14px; }
.card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.author { font-size: 13px; font-weight: 600; color: var(--ink-100); }
.author .at { color: var(--slate-500); font-weight: 400; }
.meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--slate-500); flex-shrink: 0; }
.time-ago { font-family: var(--font-mono); font-size: 11.5px; color: var(--slate-500); white-space: nowrap; }
.hot-tag { display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--orange-500); border: 1px solid rgba(255,106,43,0.35); background: rgba(255,106,43,0.1); padding: 2px 7px; border-radius: 100px; }
.hot-tag svg { width: 10px; height: 10px; }
.hot-tag.rising { color: var(--orange-300); border-color: rgba(255,171,122,0.3); background: rgba(255,171,122,0.08); }

.card-title { font-size: 16px; font-weight: 600; line-height: 1.4; color: var(--ink-100); letter-spacing: -0.005em; }
.card.hot .card-title { font-size: 17px; }

/* Countdown — integrated into the card footer */
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 13px; }
.countdown { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--slate-400); letter-spacing: 0.02em; transition: color 0.2s ease; }
.countdown svg { width: 13px; height: 13px; color: var(--slate-500); transition: color 0.2s ease; }
.countdown .cd-label { color: var(--slate-500); font-weight: 400; }
.card-actions { display: flex; align-items: center; gap: 2px; }
.act-btn { display: inline-flex; align-items: center; gap: 5px; padding: 5px 9px; border-radius: 7px; font-size: 12px; font-weight: 500; color: var(--slate-500); transition: color 0.12s ease, background 0.12s ease; }
.act-btn svg { width: 13px; height: 13px; }
.act-btn:hover { color: var(--ink-100); background: var(--navy-800); }

/* Expiry progress bar sits flush along the bottom edge of the card */
.expiry-track { grid-column: 1 / -1; height: 3px; margin: 0 -16px; background: var(--navy-800); position: relative; }
.expiry-fill { position: absolute; left: 0; top: 0; height: 100%; background: linear-gradient(90deg, var(--orange-500), var(--orange-300)); transition: width 1s linear; }

/* Urgent state — under ~1 hour left */
.card.ending { border-color: rgba(255,106,43,0.4); }
.card.ending .countdown { color: var(--orange-400); }
.card.ending .countdown svg { color: var(--orange-400); animation: pulse-soft 1.6s infinite; }
.card.ending .expiry-fill { background: var(--orange-500); box-shadow: 0 0 8px rgba(255,106,43,0.5); }

/* Expired (defensive — mock values never reach it, but keep it graceful) */
.card.expired { opacity: 0.5; }
.card.expired .countdown { color: var(--slate-500); }

.feed-end { text-align: center; color: var(--slate-500); font-size: 13px; padding: 30px 0 6px; line-height: 1.6; }
.feed-end b { color: var(--slate-400); font-weight: 600; }

/* --- Animations ------------------------------------------------------------ */
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,106,43,0.5); } 70% { box-shadow: 0 0 0 7px rgba(255,106,43,0); } 100% { box-shadow: 0 0 0 0 rgba(255,106,43,0); } }
@keyframes pulse-soft { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.32); } 100% { transform: scale(1); } }
@keyframes slidein { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes flash { 0% { background: rgba(255,106,43,0.14); border-color: var(--orange-500); } 100% { background: var(--navy-900); border-color: var(--navy-700); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* --- Responsive ------------------------------------------------------------ */
@media (min-width: 560px) {
  .feed { padding: 0 24px; }
  .card { grid-template-columns: 52px 1fr; padding: 16px 18px 0; gap: 14px; }
  .expiry-track { margin: 0 -18px; }
  .card-title { font-size: 16.5px; }
  .card.hot .card-title { font-size: 18px; }
  .vbtn { width: 38px; }
}