/* ============================================================
   YTMODS (RFLMODS Gen2) — Cinematic UI v2
   导演 / 影片: Denis Villeneuve — Blade Runner 2049 (2017)
   视觉语言: 巨构虚空 · 沙暴琥珀 vs 冰青扫描 · 极慢漂移
   ============================================================ */

:root {
  --void:   #07090d;
  --void-2: #0a0d14;
  --void-3: #0e121a;

  --steel:  #141a24;
  --steel-2:#1b2230;
  --steel-3:#222b3a;

  --amber:   #e8a13a;
  --amber-2: #ffc24d;
  --cyan:    #4fd2e0;
  --cyan-deep:#1f7a8c;

  --text:    #e8eaf0;
  --muted:   #8a93a3;
  --faint:   #5a6273;

  --danger:  #e5484d;

  --baidu:   #2f6fed;
  --quark:   #11a884;
  --other:   #6b7280;

  --line:    rgba(232, 161, 58, .16);
  --line-2:  rgba(79, 210, 224, .20);

  --radius:  2px;
  --maxw:    1320px;
  --rail-w:  74px;
  --ease:    cubic-bezier(.22, 1, .36, 1);

  --font-display: "Oswald", "Inter", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;
  --font-body:    "Inter", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(232, 161, 58, .07), transparent 60%),
    radial-gradient(1000px 700px at 0% 110%, rgba(79, 210, 224, .05), transparent 60%),
    linear-gradient(180deg, var(--void-2), var(--void) 45%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- atmosphere layers (fixed, non-interactive) ---------- */
.crt-grain, .crt-vignette, .orb-field, .light-leak, .grid-overlay {
  position: fixed; inset: 0; pointer-events: none;
}
.crt-grain {
  z-index: 9998; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  will-change: transform;
}
.crt-vignette {
  z-index: 9997;
  background: radial-gradient(ellipse at center, transparent 52%, rgba(7, 9, 13, .55) 100%);
}
.orb-field { z-index: 0; overflow: hidden; }
.orb {
  position: absolute; width: 46vw; max-width: 760px; height: 46vw; max-height: 760px;
  border-radius: 50%; opacity: .22; will-change: transform;
}
.orb--amber { top: -14%; right: -10%; background: radial-gradient(circle, var(--amber), transparent 65%); animation: orbDrift 26s ease-in-out infinite alternate; }
.orb--cyan  { bottom: -16%; left: -12%; background: radial-gradient(circle, var(--cyan-deep), transparent 65%); animation: orbDrift 30s ease-in-out infinite alternate-reverse; }
.light-leak {
  z-index: 0; opacity: .4;
  background: linear-gradient(120deg, transparent 32%, rgba(232,161,58,.08) 50%, rgba(79,210,224,.05) 70%, transparent 92%);
}
.grid-overlay {
  z-index: 0; opacity: .05;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 64px 64px;
}
@keyframes grainShift { 0%{transform:translate(0,0)} 25%{transform:translate(-4%,-4%)} 50%{transform:translate(4%,3%)} 75%{transform:translate(-3%,5%)} }
@keyframes orbDrift { 0%{transform:translate(0,0) scale(1)} 100%{transform:translate(4%,6%) scale(1.12)} }

/* ---------- left vertical navigation spine ---------- */
.spine {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--rail-w); z-index: 60;
  display: flex; flex-direction: column; align-items: center;
  background: linear-gradient(180deg, var(--void-2), var(--void));
  border-right: 1px solid var(--line); padding: 18px 0;
}
.spine-brand { margin-bottom: 20px; }
.spine-mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  font-family: var(--font-display); font-weight: 700; font-size: 15px; color: #0a0d14;
  background: linear-gradient(180deg, var(--amber-2), var(--amber)); border-radius: var(--radius);
}
.spine-nav {
  writing-mode: vertical-rl; text-orientation: upright;
  display: flex; gap: 30px; margin: auto 0;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em;
}
.spine-nav a { color: var(--muted); transition: color .25s; }
.spine-nav a:hover { color: var(--amber); }
.spine-progress {
  position: relative; width: 2px; flex: 0 0 90px; margin: 18px 0;
  background: rgba(255,255,255,.08); overflow: hidden;
}
.spine-progress-fill {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, var(--amber), var(--cyan));
  box-shadow: 0 0 12px var(--amber);
  transform: scaleY(0); transform-origin: top; will-change: transform;
}
.spine-tag {
  writing-mode: vertical-rl; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: .25em; color: var(--faint); text-transform: uppercase;
}

/* ---------- shell / layout ---------- */
.shell { position: relative; z-index: 2; padding-inline: clamp(18px, 4vw, 56px); }
@media (min-width: 861px) {
  .shell { padding-left: calc(var(--rail-w) + clamp(18px, 3vw, 48px)); }
}

.site-head {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 56px); margin-inline: calc(clamp(18px,4vw,56px) * -1);
  background: rgba(7, 9, 13, .72); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: 15px; color: #0a0d14;
  background: linear-gradient(180deg, var(--amber-2), var(--amber)); border-radius: var(--radius);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--font-display); font-size: 18px; letter-spacing: .06em; }
.brand-text em { font-style: normal; font-size: 10px; letter-spacing: .26em; color: var(--muted); font-family: var(--font-mono); }
.site-nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); font-size: 14px; }
.site-nav > a { color: var(--muted); transition: color .2s; }
.site-nav > a:hover { color: var(--text); }
.nav-user { color: var(--text); font-weight: 600; }
.nav-user--admin { color: var(--amber); }
.nav-link-account { color: var(--muted); }
.nav-link-account:hover { color: var(--danger); }

/* ---------- shared bits ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .32em;
  text-transform: uppercase; color: var(--amber);
}
.kicker::before { content: ""; width: 16px; height: 1px; background: var(--amber); box-shadow: 0 0 10px var(--amber); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; letter-spacing: .03em; cursor: pointer;
  border: 1px solid transparent; font-family: var(--font-body); color: var(--text);
  background: transparent; transition: transform .25s var(--ease), background .25s, border-color .25s, color .25s, box-shadow .25s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); color: #0a0d14; border-color: var(--amber); box-shadow: 0 10px 26px -14px rgba(232,161,58,.85); }
.btn-primary:hover { background: var(--amber-2); border-color: var(--amber-2); box-shadow: 0 16px 36px -14px rgba(232,161,58,1); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-block { width: 100%; }
.btn-mini {
  padding: 7px 13px; font-size: 12.5px; border-radius: var(--radius);
  border: 1px solid var(--line); background: transparent; color: var(--text); cursor: pointer; font-family: var(--font-body);
  transition: border-color .2s, color .2s, background .2s;
}
.btn-mini:hover { border-color: var(--amber); color: var(--amber); }
.btn-mini--danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-mini--edit:hover { border-color: var(--amber); color: var(--amber); }

/* corner brackets */
.bracket { position: relative; }
.bracket::before, .bracket::after {
  content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--amber); pointer-events: none;
}
.bracket::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.bracket::after { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }

/* ---------- flash ---------- */
.flash-wrap { max-width: var(--maxw); margin: 18px auto 0; display: flex; flex-direction: column; gap: 10px; }
.flash { padding: 13px 18px; border-radius: var(--radius); font-size: 14px; border: 1px solid var(--line); background: var(--steel); }
.flash--success { border-color: rgba(17,168,132,.5); color: #7fe3c7; background: rgba(17,168,132,.08); }
.flash--error { border-color: rgba(229,72,77,.5); color: #ff9a9d; background: rgba(229,72,77,.08); }

/* ---------- footer ---------- */
.site-foot {
  position: relative; z-index: 2; margin-top: 120px;
  border-top: 1px solid var(--line); padding: 38px clamp(18px, 4vw, 56px) 60px;
  display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start;
}
.foot-logo { font-family: var(--font-display); font-weight: 700; letter-spacing: .1em; font-size: 18px; }
.foot-left p { color: var(--muted); max-width: 420px; margin: 10px 0 0; font-size: 13.5px; }
.foot-right { display: flex; flex-direction: column; gap: 6px; text-align: right; }
.foot-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .15em; color: var(--faint); }
.scroll-top {
  align-self: flex-end; background: transparent; border: 1px solid var(--line); color: var(--muted);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em; padding: 8px 12px; cursor: pointer; border-radius: var(--radius);
  transition: color .2s, border-color .2s;
}
.scroll-top:hover { color: var(--amber); border-color: var(--amber); }

/* ============================================================
   HOMEPAGE — monument hero + ticker + horizontal film wall
   ============================================================ */
.archive { padding-bottom: 20px; }
.hero {
  position: relative; padding: clamp(56px, 12vh, 120px) 0 clamp(44px, 8vh, 90px);
  border-bottom: 1px solid var(--line); overflow: hidden;
}
.hero-watermark {
  position: absolute; right: -2vw; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-weight: 700; font-size: clamp(160px, 32vw, 440px);
  color: transparent; -webkit-text-stroke: 1px rgba(232,161,58,.07); letter-spacing: -.04em;
  line-height: .8; pointer-events: none; white-space: nowrap; z-index: 0;
}
.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); }
.hero-title {
  font-family: var(--font-display); font-weight: 200; text-transform: uppercase;
  font-size: clamp(54px, 11vw, 150px); line-height: .9; letter-spacing: .04em; color: var(--text);
  margin: 18px 0 0; text-shadow: 0 0 60px rgba(232,161,58,.12);
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title em { color: var(--amber); font-style: normal; }
.hero-sub { color: var(--muted); max-width: 56ch; margin: 26px 0 0; font-size: 15.5px; }
.hero-meta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero-stat {
  border: 1px solid var(--line); border-left: 2px solid var(--amber);
  padding: 12px 18px; background: rgba(20,26,36,.5); display: flex; flex-direction: column; gap: 4px;
}
.hero-stat b { font-family: var(--font-display); color: var(--amber); font-size: 24px; line-height: 1; }
.hero-stat span { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.hero-cta { margin-top: 38px; }

/* ticker / data strip */
.ticker {
  position: relative; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; padding: 14px 0; background: rgba(10,13,20,.6);
}
.ticker-track { display: flex; width: max-content; animation: tickerScroll 42s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); padding: 0 28px; white-space: nowrap; display: inline-flex; align-items: center; gap: 14px;
}
.ticker-item::after { content: "▸"; color: var(--amber); }
.ticker-item .ti-amber { color: var(--amber); }
.ticker-item .ti-cyan { color: var(--cyan); }
@keyframes tickerScroll { to { transform: translateX(-50%); } }

/* horizontal film wall */
.reel { position: relative; }
/* 安全默认态：一条可横向滑动的胶片，不依赖 JS 也完整可用 */
.reel-sticky {
  position: static; min-height: 100vh; padding: 70px 0;
  display: flex; flex-direction: column; justify-content: center; overflow: hidden;
}
/* 影院级“跟拍长镜”：pin + scrub 由 ScrollTrigger 原生接管（main.js）。
   这里只切轨道溢出；钉住时的纵向高度由 ScrollTrigger 自动生成 pin-spacer，不再用 CSS sticky。 */
.reel.is-pinned .reel-track { overflow: visible; scroll-snap-type: none; }
.reel-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding: 0 clamp(18px,4vw,56px) 24px; flex-wrap: wrap; }
.reel-title { font-family: var(--font-display); text-transform: uppercase; font-size: clamp(22px, 3vw, 34px); letter-spacing: .06em; margin: 0; }
.reel-title small { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .3em; color: var(--faint); text-transform: uppercase; margin-bottom: 6px; }
.reel-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: 12.5px; color: var(--muted); background: var(--steel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 15px; cursor: pointer; transition: color .18s, border-color .18s, background .18s;
}
.chip:hover { color: var(--text); border-color: var(--line-2); }
.chip.is-active { color: #0a0d14; background: var(--amber); border-color: var(--amber); font-weight: 700; }
.reel-toolbar { display: flex; align-items: center; gap: 14px; }
.search { display: flex; align-items: center; gap: 8px; background: var(--steel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; }
.search-ico { color: var(--faint); font-size: 15px; line-height: 1; }
.search input { background: none; border: none; outline: none; color: var(--text); font: inherit; font-size: 13.5px; width: 170px; }
.search input::placeholder { color: var(--faint); }
.reel-track { display: flex; gap: 22px; padding: 0 clamp(18px,4vw,56px) 14px; will-change: transform; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--faint) transparent; }
.reel-track::-webkit-scrollbar { height: 6px; }
.reel-track::-webkit-scrollbar-thumb { background: var(--steel-3); border-radius: 3px; }
.reel-empty { padding: 40px clamp(18px,4vw,56px); color: var(--muted); font-family: var(--font-mono); letter-spacing: .1em; }

/* film frame (MOD as a frame cell) */
.frame {
  position: relative; flex: 0 0 auto; width: clamp(262px, 28vw, 330px); height: min(62vh, 540px); scroll-snap-align: start;
  background: linear-gradient(180deg, var(--steel), var(--void-2)); border: 1px solid var(--line);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(79,210,224,.14), transparent 60%);
}
.frame:hover { transform: translateY(-8px); border-color: var(--line-2); box-shadow: 0 30px 60px -30px rgba(0,0,0,.85); }
.frame:hover::after { opacity: 1; }
.frame-perf { display: flex; gap: 6px; padding: 8px 12px; background: var(--void); border-bottom: 1px solid var(--line); }
.frame-perf i { width: 8px; height: 8px; border-radius: 1px; background: rgba(232,161,58,.25); }
.frame-no { position: absolute; top: 10px; right: 12px; z-index: 2; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--amber); }
.frame-thumb {
  position: relative; height: 46%; overflow: hidden;
  background:
    linear-gradient(135deg, rgba(232,161,58,.22), rgba(79,210,224,.16) 60%, transparent),
    radial-gradient(120% 90% at 28% 18%, rgba(79,210,224,.20), transparent 60%);
}
.frame-thumb .ft-cat {
  position: absolute; left: 12px; bottom: 10px; z-index: 2; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text);
  background: rgba(7,9,13,.6); border: 1px solid var(--line); padding: 4px 8px;
}
.frame-thumb .ft-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.frame-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.frame-name { font-family: var(--font-display); font-size: 19px; line-height: 1.2; font-weight: 500; }
.frame-author { color: var(--muted); font-size: 12.5px; }
.frame-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
.frame-open { color: var(--amber); display: inline-flex; gap: 6px; align-items: center; transition: gap .25s; }
.frame:hover .frame-open { gap: 10px; }

/* ============================================================
   MOD DETAIL — monolith dossier
   ============================================================ */
.detail { position: relative; padding: clamp(40px, 6vh, 80px) 0; }
.detail-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.detail-watermark {
  position: absolute; left: -2vw; top: 0; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(120px, 22vw, 300px); color: transparent; -webkit-text-stroke: 1px rgba(79,210,224,.07);
  line-height: .8; pointer-events: none; z-index: 0;
}
.detail-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; position: relative; z-index: 2; }
.back-link { color: var(--muted); font-size: 13.5px; transition: color .2s; }
.back-link:hover { color: var(--amber); }
.detail-main { position: relative; z-index: 2; }
.detail-title { font-family: var(--font-display); font-weight: 200; text-transform: uppercase; font-size: clamp(40px, 6vw, 84px); line-height: .95; letter-spacing: .03em; margin: 10px 0 36px; }
.detail-title em { color: var(--amber); font-style: normal; }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.spec { background: var(--steel); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.spec-k { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); font-family: var(--font-mono); }
.spec-v { font-size: 17px; font-weight: 600; }
.spec-v--mono { font-family: var(--font-mono); }
.detail-note { color: var(--muted); margin-top: 28px; max-width: 52ch; font-size: 14.5px; }
.detail-cover { position: relative; width: 100%; aspect-ratio: 16 / 7; margin: 22px 0 30px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(232,161,58,.18), rgba(79,210,224,.12) 60%, transparent); }
.detail-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

.detail-verify {
  position: sticky; top: 96px; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--steel), var(--void-2)); padding: 30px 28px; position: relative; overflow: hidden;
}
.detail-verify::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
}
.detail-verify::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 100%; pointer-events: none; z-index: 1;
  background: linear-gradient(180deg, transparent 0%, rgba(79,210,224,.04) 50%, transparent 100%);
  background-size: 100% 8px; animation: scanline 6s linear infinite; opacity: .5;
}
@keyframes scanline { to { background-position: 0 100%; } }
.verify-title { font-family: var(--font-display); font-size: 22px; text-transform: uppercase; letter-spacing: .04em; margin: 0 0 6px; }
.verify-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 22px; position: relative; z-index: 2; }
.verify-form { display: flex; flex-direction: column; gap: 16px; position: relative; z-index: 2; }
.verify-meta { margin-top: 18px; font-size: 12.5px; color: var(--faint); position: relative; z-index: 2; }
.verify-meta strong { color: var(--text); }

/* ============================================================
   AUTH — duel stage
   ============================================================ */
.auth {
  display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - var(--rail-w) - 160px);
  align-items: stretch; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; margin: 36px 0 50px;
}
.auth-billboard {
  position: relative; overflow: hidden; padding: clamp(36px, 6vw, 90px);
  background: radial-gradient(600px 400px at 78% 10%, rgba(232,161,58,.18), transparent 60%), linear-gradient(160deg, var(--steel-2), var(--void-2));
  display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line);
}
.auth-billboard--admin { background: radial-gradient(600px 400px at 78% 10%, rgba(229,72,77,.2), transparent 60%), linear-gradient(160deg, var(--steel-2), var(--void-2)); }
.auth-watermark {
  position: absolute; right: -1vw; bottom: -3vh; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(120px, 18vw, 260px); color: transparent; -webkit-text-stroke: 1px rgba(232,161,58,.07);
  line-height: .8; pointer-events: none;
}
.auth-title { font-family: var(--font-display); font-size: clamp(40px, 6vw, 74px); line-height: .95; text-transform: uppercase; letter-spacing: .03em; margin: 14px 0 0; }
.auth-lead { color: var(--muted); max-width: 380px; margin: 22px 0 0; }
.auth-footnote { margin-top: 48px; display: flex; gap: 22px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; color: var(--faint); }
.auth-formwrap { padding: clamp(36px, 6vw, 90px); display: flex; flex-direction: column; justify-content: center; background: var(--void-2); }
.auth-form { display: flex; flex-direction: column; gap: 18px; }
.auth-switch { margin-top: 22px; color: var(--muted); font-size: 14px; }
.auth-switch a, .auth-admin a { color: var(--amber); font-weight: 600; }
.auth-admin { margin-top: 8px; font-size: 13px; }
.auth-admin a { color: var(--muted); }
.auth-admin a:hover { color: var(--amber); }

/* OAuth — 音创云图统一身份认证 */
.auth-divider { display: flex; align-items: center; gap: 14px; margin: 22px 0; color: var(--faint); font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.btn-oauth {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  background: linear-gradient(135deg, #6d28d9, #db2777); border: none; color: #fff; font-weight: 600;
  padding: 15px 18px; border-radius: var(--radius); letter-spacing: .02em; font-family: var(--font-body);
  transition: transform .15s, box-shadow .2s, opacity .2s;
  box-shadow: 0 14px 30px -16px rgba(219, 39, 119, .7);
}
.btn-oauth:hover { transform: translateY(-1px); opacity: .94; box-shadow: 0 18px 36px -16px rgba(219, 39, 119, .85); }
.btn-oauth .oauth-logo { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px; background: rgba(255,255,255,.92); color: #6d28d9; font-weight: 700; font-size: 13px; }

/* fields */
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field-label { font-size: 11px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; font-family: var(--font-mono); white-space: nowrap; }
.field input, .field select {
  width: 100%; background: var(--steel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 13px 15px; color: var(--text); font-size: 15px; font-family: inherit; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(79,210,224,.16); }
.field input[type="file"] { padding: 10px 12px; font-size: 13px; cursor: pointer; }
.field input[type="file"]::file-selector-button { margin-right: 12px; padding: 7px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--void); color: var(--text); cursor: pointer; font-family: var(--font-body); }
.cover-preview { display: flex; gap: 14px; align-items: flex-start; margin-top: 10px; }
.cover-preview img { width: 168px; height: 95px; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); background: var(--steel); }
.cover-preview-actions { display: flex; flex-direction: column; gap: 8px; padding-top: 6px; }
.field-hint { color: var(--faint); font-size: 11.5px; margin: 8px 0 0; font-family: var(--font-mono); letter-spacing: .02em; line-height: 1.5; }
.check { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted); }
.check input { accent-color: var(--amber); width: 16px; height: 16px; }

/* ============================================================
   ADMIN — control room
   ============================================================ */
.admin { padding: clamp(36px, 5vh, 60px) 0 20px; position: relative; }
.admin::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: .5;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0 1px, transparent 1px 3px);
}
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.admin-title { font-family: var(--font-display); font-size: clamp(30px, 4vw, 50px); text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }

/* horizontal data strip */
.stats-strip {
  display: flex; align-items: stretch; gap: 0; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--steel); margin-bottom: 26px; overflow: hidden; flex-wrap: wrap;
}
.stats-strip .stat {
  flex: 1 1 0; min-width: 140px; padding: 18px 22px; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px; position: relative;
}
.stats-strip .stat:last-child { border-right: none; }
.stats-strip .stat::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--amber); }
.stat-value { font-family: var(--font-display); font-size: 36px; line-height: 1; color: var(--amber); }
.stat-label { color: var(--muted); font-size: 12px; letter-spacing: .04em; }

.admin-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-items: start; }
.panel {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--steel), var(--void-2)); padding: 26px; margin-bottom: 20px; min-width: 0;
}
.panel::after { content: ""; position: absolute; top: 12px; right: 12px; width: 6px; height: 6px; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #4a525e, #11151b); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.panel-title { font-family: var(--font-display); font-size: 22px; text-transform: uppercase; letter-spacing: .03em; margin: 0; white-space: nowrap; }

.publish-form { display: flex; flex-direction: column; gap: 18px; }
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 18px; }
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.publish-form .check { margin-top: 2px; }

.panel--publish { scroll-margin-top: 96px; transition: border-color .25s, box-shadow .25s; }
.panel--publish.is-editing { border-color: rgba(232,161,58,.55); box-shadow: 0 0 0 1px rgba(232,161,58,.16), 0 20px 45px -30px rgba(232,161,58,.6); }
.panel--publish.is-editing .panel-title { color: var(--amber); }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th {
  text-align: left; color: var(--faint); font-weight: 500; font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; font-family: var(--font-mono); padding: 10px 12px; border-bottom: 1px solid var(--line-2); white-space: nowrap;
}
.data-table td { padding: 13px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
.data-table tbody tr { transition: background .18s; position: relative; }
.data-table tbody tr:hover { background: linear-gradient(90deg, rgba(79,210,224,.10), rgba(79,210,224,0)); }
.data-table tr:last-child td { border-bottom: none; }
.cell-name { font-weight: 600; max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
.cell-author { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.cell-mono { font-family: var(--font-mono); color: var(--muted); }
.cell-cover { width: 64px; }
.cell-cover img { width: 48px; height: 28px; object-fit: cover; border: 1px solid var(--line); border-radius: 2px; display: block; }
.cell-cover--none { color: var(--faint); }
.cell-actions { white-space: nowrap; }
.cell-actions > form { margin-left: 8px; display: inline; }
.cell-actions .btn-mini { vertical-align: middle; }
.status { display: inline-block; font-size: 11.5px; font-family: var(--font-mono); padding: 4px 9px; border-radius: var(--radius); border: 1px solid currentColor; white-space: nowrap; }
.status--on { color: var(--quark); }
.status--off { color: var(--faint); }
.empty-inline { color: var(--muted); padding: 18px 4px; }

/* badges */
.disk-badge { font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em; padding: 5px 11px; border-radius: var(--radius); border: 1px solid currentColor; display: inline-flex; align-items: center; gap: 6px; }
.disk-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.disk-badge--baidu { color: var(--baidu); }
.disk-badge--quark { color: var(--quark); }
.disk-badge--other { color: var(--other); }
.disk-badge--sm { font-size: 10px; padding: 3px 8px; }
.cat-badge { display: inline-flex; align-items: center; font-size: 11px; line-height: 1; padding: 5px 10px; border-radius: var(--radius); color: var(--amber); background: rgba(232,161,58,.08); border: 1px solid rgba(232,161,58,.35); letter-spacing: .02em; white-space: nowrap; }

/* ============================================================
   404
   ============================================================ */
.notfound { text-align: center; padding: 120px 20px; }
.nf-code { font-family: var(--font-display); font-size: clamp(90px, 18vw, 220px); line-height: 1; color: var(--amber); text-shadow: 0 0 50px rgba(232,161,58,.3); }
.nf-title { font-family: var(--font-display); font-size: 30px; text-transform: uppercase; margin: 10px 0 12px; letter-spacing: .04em; }
.nf-sub { color: var(--muted); margin-bottom: 30px; }

/* ============================================================
   reveal guards (visible by default if JS fails)
   ============================================================ */
.reveal { will-change: transform, opacity; }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1080px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-verify { position: static; }
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .spine { display: none; }
  .shell { padding-left: clamp(18px, 4vw, 56px); }
  .site-head { margin-inline: calc(clamp(18px,4vw,56px) * -1); }
  .auth { grid-template-columns: 1fr; }
  .auth-billboard { border-right: none; border-bottom: 1px solid var(--line); }
  .reel, .reel.is-pinned { height: auto !important; }
  .reel-sticky { min-height: auto; }
  .reel.is-pinned .reel-sticky { position: static; height: auto; padding: 60px 0; }
  .reel-track, .reel.is-pinned .reel-track { overflow-x: auto; scroll-snap-type: x mandatory; transform: none !important; padding-bottom: 20px; }
  .frame { width: 80vw; height: 460px; }
  .admin-grid { grid-template-columns: 1fr; }
  .form-2col { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .site-nav { gap: 14px; font-size: 13px; }
  .frame { width: 86vw; }
  .field-grid { grid-template-columns: 1fr; }
  .spec-list { grid-template-columns: 1fr; }
  .search input { width: 130px; }
  .stats-strip .stat { min-width: 50%; }
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .crt-grain { display: none; }
  .reel-track { transform: none !important; }
}