/* ============================================================
   QInE 工作室 QINE STUDIO — demo 展示平台
   亮面编辑风（与暗色 demo 形成对照）· 分屏索引 · 实时预览
   ============================================================ */

:root {
  --paper: #fafafa;
  --ink: #1a1a1a;
  --orange: #ff8f0c;
  --burnt: #f44f05;
  --mute: rgba(26, 26, 26, .42);
  --faint: rgba(26, 26, 26, .22);
  --line: rgba(26, 26, 26, .16);
  --font-d: 'Oswald', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-b: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ease-out: cubic-bezier(.19, 1, .22, 1);
  --ease-io: cubic-bezier(.77, 0, .18, 1);
  --pad: clamp(20px, 3.4vw, 56px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
::selection { background: var(--burnt); color: #fff; }
:focus-visible { outline: 2px solid var(--burnt); outline-offset: 3px; }

body {
  background: var(--paper); color: var(--ink);
  font-family: var(--font-b); font-size: 15px; line-height: 1.7;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* film grain（比 demo 更轻） */
.grain {
  position: fixed; inset: -100%; z-index: 2000; pointer-events: none;
  width: 300%; height: 300%; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); } 20% { transform: translate(-12%,3%); }
  40% { transform: translate(-4%,12%); } 60% { transform: translate(12%,0); }
  80% { transform: translate(-12%,0); }
}

/* quick loader */
.loader {
  position: fixed; inset: 0; z-index: 3000; background: var(--paper);
  display: flex; align-items: center; justify-content: center;
  transition: transform .7s var(--ease-io);
}
.loader.done { transform: translateY(-101%); }
.loader .word {
  font-family: var(--font-d); font-weight: 700; font-size: clamp(34px, 6vw, 64px);
  letter-spacing: .06em; overflow: hidden;
}
.loader .word i { display: inline-block; font-style: normal; animation: lw .6s var(--ease-out) both; }
@keyframes lw { from { transform: translateY(110%); } to { transform: none; } }

/* ---------- top bar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad); border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
}
.brand { font-family: var(--font-d); font-weight: 700; font-size: 18px; letter-spacing: .1em; display: flex; align-items: baseline; gap: 10px; }
.brand small { font-size: 10px; letter-spacing: .3em; color: var(--mute); font-weight: 500; }
.top-right { display: flex; align-items: center; gap: 20px; }
.clock { font-family: var(--font-d); font-size: 13px; letter-spacing: .14em; color: var(--mute); font-variant-numeric: tabular-nums; }
.clock b { color: var(--ink); font-weight: 600; }
.pill-btn {
  position: relative; overflow: hidden;
  padding: 9px 20px; background: var(--ink); color: var(--paper);
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase; border-radius: 3px;
}
.pill-btn .swap { position: relative; display: block; height: 1.2em; overflow: hidden; }
.pill-btn .swap i { display: block; font-style: normal; transition: transform .35s var(--ease-out); }
.pill-btn .swap i:last-child { position: absolute; top: 100%; left: 0; width: 100%; }
.pill-btn:hover .swap i { transform: translateY(-100%); }
.pill-btn::after {
  content: ''; position: absolute; inset: 0; background: var(--burnt);
  transform: translateY(101%); transition: transform .35s var(--ease-out);
}
.pill-btn:hover::after { transform: translateY(0); }
.pill-btn .swap { z-index: 1; }

/* ---------- split layout ---------- */
.shell { display: flex; min-height: 100vh; padding-top: 62px; }
.left { flex: 0 0 55%; padding: 7vh var(--pad) 10vh; display: flex; flex-direction: column; }
.right {
  flex: 1; position: sticky; top: 62px; height: calc(100vh - 62px);
  border-left: 1px solid var(--line); background: #f0efec;
  display: flex; flex-direction: column;
}

.kicker {
  font-size: 11px; letter-spacing: .32em; text-transform: uppercase; color: var(--burnt);
  display: flex; align-items: center; gap: 12px; margin-bottom: 26px;
}
.kicker::before { content: ''; width: 30px; height: 1px; background: var(--burnt); }

.bio {
  font-family: var(--font-d); font-weight: 600;
  font-size: clamp(24px, 2.6vw, 38px); line-height: 1.35; letter-spacing: .01em;
  max-width: 24em; margin-bottom: 3vh;
}
.bio em { font-style: normal; color: var(--burnt); }
.bio-sub { color: var(--mute); font-size: 13.5px; max-width: 44ch; margin-bottom: 6vh; }

/* ---------- demo index rows ---------- */
.index-label {
  font-size: 11px; letter-spacing: .32em; text-transform: uppercase; color: var(--mute);
  padding: 10px 0; border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 56px 1.6fr 1fr 64px 76px; gap: 16px;
}
.rows { border-bottom: 1px solid var(--line); }
.row {
  position: relative; display: grid; grid-template-columns: 56px 1.6fr 1fr 64px 76px;
  gap: 16px; align-items: center;
  padding: 26px 0; border-top: 1px solid var(--line);
  cursor: pointer; transition: opacity .22s ease;
}
.rows:hover .row { opacity: .3; }
.rows:hover .row:hover { opacity: 1; }
.row::before {
  content: ''; position: absolute; inset: 0 calc(var(--pad) * -1);
  background: rgba(26, 26, 26, .035); transform: scaleY(0); transform-origin: 50% 0;
  transition: transform .3s var(--ease-out); z-index: -1;
}
.row:hover::before { transform: scaleY(1); }
.row .no { font-family: var(--font-d); font-size: 12px; letter-spacing: .2em; color: var(--faint); padding-left: 2px; }
.row .nm {
  font-family: var(--font-d); font-weight: 700; font-size: clamp(20px, 1.9vw, 26px);
  text-transform: uppercase; letter-spacing: .03em; line-height: 1.15;
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.row .nm small { font-size: 11px; letter-spacing: .26em; color: var(--mute); font-weight: 500; }
.row .tp, .row .yr { font-size: 12px; color: var(--mute); letter-spacing: .06em; }
.row .st { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; justify-self: end; }
.row .st.live { color: var(--burnt); display: inline-flex; align-items: center; gap: 7px; }
.row .st.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--burnt); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(244,79,5,.5); } 50% { box-shadow: 0 0 0 6px rgba(244,79,5,0); } }
.row .st.soon { color: var(--faint); }

/* visit 按钮从右滑入 */
.row .visit {
  position: absolute; right: 76px; top: 50%; transform: translate(90px, -50%);
  opacity: 0; transition: transform .35s var(--ease-out), opacity .3s;
  font-family: var(--font-d); font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  background: var(--ink); color: var(--paper); padding: 8px 16px; border-radius: 3px;
  pointer-events: none;
}
.row:hover .visit { transform: translate(0, -50%); opacity: 1; }
.row.soon { cursor: default; }
.row.soon .nm { color: var(--faint); }
.row .lock { font-size: 12px; color: var(--faint); }

/* 收尾行：更多模板待定 */
.row.more { display: flex; justify-content: center; cursor: default; padding: 30px 0; }
.row.more::before { display: none; }
.rows:hover .row.more { opacity: 1; }
.more-txt {
  font-size: 12px; letter-spacing: .34em; color: var(--faint);
  transition: color .4s, letter-spacing .5s var(--ease-out);
}
.row.more:hover .more-txt { color: var(--burnt); letter-spacing: .44em; }
.more-dot { margin: 0 .9em; color: var(--burnt); }

/* ---------- right live preview panel ---------- */
.pv-head {
  display: flex; align-items: center; gap: 12px; padding: 12px 18px;
  border-bottom: 1px solid var(--line); flex: none; background: var(--paper);
}
.pv-dots { display: flex; gap: 6px; }
.pv-dots i { width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--faint); }
.pv-dots i:first-child { background: var(--burnt); border-color: var(--burnt); }
.pv-url {
  flex: 1; font-family: var(--font-d); font-size: 12px; letter-spacing: .08em;
  color: var(--mute); background: rgba(26,26,26,.05); border-radius: 3px;
  padding: 6px 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: color .3s;
}
.pv-url.live { color: var(--ink); }
.pv-badge {
  font-size: 9px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--burnt); border: 1px solid var(--burnt); padding: 4px 8px; border-radius: 3px;
}
.pv-body { position: relative; flex: 1; overflow: hidden; }
.pv-frame {
  position: absolute; inset: 0; opacity: 0; transition: opacity .5s var(--ease-out);
  background: #000;
}
.pv-frame.on { opacity: 1; }
.pv-frame iframe {
  border: 0; transform-origin: 0 0; pointer-events: none;
}
.pv-empty {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  color: var(--faint); font-family: var(--font-d); letter-spacing: .3em; font-size: 13px;
  text-transform: uppercase; padding: 30px;
}
.pv-empty .lock-big { font-size: 64px; display: block; margin-bottom: 18px; color: var(--faint); }
.pv-open {
  position: absolute; right: 18px; bottom: 18px; z-index: 5;
  font-family: var(--font-d); font-size: 11px; letter-spacing: .26em; text-transform: uppercase;
  background: var(--ink); color: var(--paper); padding: 12px 22px; border-radius: 3px;
  display: none; box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.pv-body.live .pv-open { display: block; }
.pv-open:hover { background: var(--burnt); }

/* ---------- footer ---------- */
.foot {
  padding: 8vh var(--pad) 5vh; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap;
}
.foot h2 {
  font-family: var(--font-d); font-weight: 900; font-size: clamp(48px, 8vw, 120px);
  line-height: .95; letter-spacing: .01em; color: transparent; -webkit-text-stroke: 1.5px var(--ink);
  transition: color .5s;
}
.foot h2:hover { color: var(--ink); }
.foot .meta { font-size: 11px; letter-spacing: .2em; color: var(--mute); text-transform: uppercase; line-height: 2.2; text-align: right; }
.foot .meta b { color: var(--burnt); cursor: pointer; }

/* rotating badge */
.ring-badge {
  position: fixed; right: var(--pad); bottom: 30px; z-index: 900;
  width: 104px; height: 104px; cursor: pointer; mix-blend-mode: multiply;
}
.ring-badge svg { width: 100%; height: 100%; animation: spin 12s linear infinite; }
.ring-badge:hover svg { animation-play-state: paused; }
@keyframes spin { to { transform: rotate(360deg); } }
.ring-badge text { font-size: 11px; letter-spacing: .3em; fill: var(--ink); text-transform: uppercase; font-family: var(--font-d); }
.ring-badge .core {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-d); font-size: 20px; font-weight: 700;
}

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.d1.in { transition-delay: .08s; } .reveal.d2.in { transition-delay: .16s; }

@media (max-width: 900px) {
  .shell { flex-direction: column; padding-top: 58px; }
  .left { flex: none; }
  .right { position: relative; top: 0; height: 62vh; border-left: 0; border-top: 1px solid var(--line); order: -1; }
  .row .tp, .row .yr { display: none; }
  .index-label { grid-template-columns: 40px 1fr 76px; }
  .row { grid-template-columns: 40px 1fr 76px; }
  .row .visit { right: 0; }
  .clock { display: none; }
}