/* TeraBox Player & Downloader — Swiss design system */
:root{
  --ink:#0a0a0a; --muted:#6f6f6f; --faint:#a3a3a3;
  --line:#e7e7e7; --bg:#ffffff; --wash:#fafafa;
  --red:#E30613; --red-dark:#b3050f;
  --radius:10px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font); color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  background-image:linear-gradient(var(--line) 1px,transparent 1px);
  background-size:100% 96px; background-repeat:repeat-y;
  background-position:0 -1px;
}
::selection{background:var(--red);color:#fff}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.red{color:var(--red)}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:30px;height:30px;background:var(--red);color:#fff;font-weight:800;font-size:17px;display:grid;place-items:center;border-radius:6px}
.brand-text{font-weight:800;letter-spacing:.14em;font-size:13px}
.topnav{margin-left:auto;display:flex;gap:22px}
.topnav a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.04em}
.topnav a:hover{color:var(--ink)}
.ver{font-size:11px;font-weight:600;color:var(--faint);border:1px solid var(--line);border-radius:20px;padding:3px 10px;letter-spacing:.06em}

/* ---------- hero ---------- */
.hero{padding:96px 24px 64px}
.kicker{font-size:12px;font-weight:700;letter-spacing:.28em;color:var(--red);margin:0 0 18px}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:1.02;letter-spacing:-.035em;margin:0 0 22px;font-weight:800}
.lede{font-size:17px;line-height:1.65;color:var(--muted);max-width:640px;margin:0 0 36px}

.fetch{display:flex;gap:0;max-width:760px;border:1px solid var(--ink);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:6px 6px 0 rgba(10,10,10,.08)}
.fetch input{flex:1;border:0;outline:0;padding:18px 20px;font:500 15px var(--font);color:var(--ink);min-width:0}
.fetch input::placeholder{color:var(--faint)}
.fetch button{background:var(--red);color:#fff;border:0;padding:0 34px;font:700 14px var(--font);letter-spacing:.06em;text-transform:uppercase;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .15s}
.fetch button:hover{background:var(--red-dark)}
.fetch button:disabled{opacity:.6;cursor:wait}
.btn-spin{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hint{font-size:13px;color:var(--faint);margin:14px 0 0}
.hint.error{color:var(--red);font-weight:600}

/* ---------- results ---------- */
.results{margin-top:56px;border-top:2px solid var(--ink);padding-top:28px}
.results-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
.results-head h2{font-size:26px;letter-spacing:-.02em;margin:0;font-weight:800}
.count{font-size:13px;color:var(--muted);font-weight:600}
.filelist{list-style:none;margin:0;padding:0}
.file{display:flex;align-items:center;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line)}
.file:hover{background:var(--wash)}
.ficon{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--muted);background:#fff}
.ficon.video{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.ficon.audio{background:var(--red);color:#fff;border-color:var(--red)}
.fmeta{flex:1;min-width:0}
.fname{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fsub{font-size:12.5px;color:var(--muted);margin-top:3px}
.factions{display:flex;gap:8px;flex:0 0 auto}
.btn{border:1px solid var(--ink);background:#fff;color:var(--ink);font:600 13px var(--font);padding:10px 18px;border-radius:8px;cursor:pointer;letter-spacing:.02em}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-dark);border-color:var(--red-dark)}
.empty{padding:48px 0;text-align:center;color:var(--muted)}

/* ---------- steps / capabilities ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:40px auto 0;background:#fff}
.step{padding:30px 28px;border-left:1px solid var(--line)}
.step:first-child{border-left:0}
.step-n{font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--red)}
.step h3{margin:12px 0 8px;font-size:19px;letter-spacing:-.01em}
.step p{margin:0;font-size:14px;line-height:1.6;color:var(--muted)}
.capabilities{padding:88px 24px 40px}
.capabilities h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.03em;margin:0 0 28px;font-weight:800}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cap{background:#fff;padding:26px 24px}
.cap-t{font-size:11px;font-weight:800;letter-spacing:.22em;color:var(--ink);border-bottom:2px solid var(--red);padding-bottom:8px;display:inline-block}
.cap p{margin:14px 0 0;font-size:14px;line-height:1.6;color:var(--muted)}

/* ---------- history ---------- */
.history{margin-top:8px}
.hist-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.hist-head h2{font-size:26px;letter-spacing:-.02em;margin:0;font-weight:800}
.link-btn{background:none;border:0;color:var(--red);font:600 13px var(--font);cursor:pointer;padding:6px 0}
.link-btn:hover{text-decoration:underline}
.hist-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.hist-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.hmeta{flex:1;min-width:0}
.hlink{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hsub{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hact{display:flex;gap:8px;flex:none}
.icon-btn{padding:10px 14px}
.hist-note{font-size:12px;color:var(--faint);margin:10px 0 0}

/* ---------- social rail (desktop): black boxes, hover expands in brand color ---------- */
.rail{display:none}
@media(min-width:1100px){
  .rail{display:block; position:fixed; left:0; top:0; bottom:0; width:68px; z-index:70; background:#0a0a0a; border-right:1px solid #000}
  .rail nav{height:100%; overflow-y:auto; overscroll-behavior:contain; scrollbar-width:none}
  .rail nav::-webkit-scrollbar{display:none}
  .rail-btn{position:relative; display:flex; align-items:center; justify-content:center; height:58px; background:#0a0a0a; color:#fff; text-decoration:none; border-bottom:1px solid #1e1e1e}
  .rail-btn>svg{width:24px; height:24px; flex:0 0 auto}
  .rail-btn:focus-visible{outline:2px solid #fff; outline-offset:-2px}
  .rail-btn .brick{position:fixed; left:0; z-index:72; width:68px; height:58px; display:flex; align-items:center; overflow:hidden; white-space:nowrap; background:var(--brand,#E30613); color:#fff; visibility:hidden; opacity:0; transition:width .2s ease, opacity .15s ease, visibility 0s linear .25s}
  .rail-btn .brick svg{width:24px; height:24px; flex:0 0 auto; margin:0 22px}
  .rail-btn .brick .rail-name{font-size:12px; font-weight:800; letter-spacing:.18em; text-transform:uppercase; opacity:0; transform:translateX(-10px); transition:opacity .16s ease, transform .2s ease}
  .rail-btn:hover .brick, .rail-btn:focus-visible .brick{visibility:visible; opacity:1; width:212px; transition:width .2s ease, opacity .15s ease}
  .rail-btn:hover .brick .rail-name, .rail-btn:focus-visible .brick .rail-name{opacity:1; transform:translateX(0)}
  .rail-btn.ig:hover .brick, .rail-btn.ig:focus-visible .brick{background:linear-gradient(45deg,#F58529,#DD2A7B 45%,#8134AF 75%,#515BD4)}
}
@media(min-width:1240px){
  .wrap{margin-left:max(96px,calc((100vw - 1060px)/2)); margin-right:auto}
}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);margin-top:64px;background:var(--wash)}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 24px;font-size:13px;color:var(--muted)}
.foot-btn{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:12.5px;font-weight:600;color:var(--ink);text-decoration:none;background:#fff;white-space:nowrap}
.foot-btn:hover{border-color:var(--red);color:var(--red)}
.foot-note{font-size:12px;color:var(--faint);text-align:right}

/* ---------- overlay / viewer ---------- */
.overlay{position:fixed;inset:0;z-index:100;background:rgba(8,8,8,.86);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px}
.overlay[hidden]{display:none}
.viewer{width:min(1060px,100%);max-height:92vh;background:#0c0c0c;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 30px 90px rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.1)}
.viewer-bar{display:flex;align-items:center;gap:14px;padding:12px 16px;background:#111;border-bottom:1px solid rgba(255,255,255,.08);color:#fff}
.viewer-title{flex:1;min-width:0;display:flex;align-items:center;gap:12px}
.viewer-namewrap{display:flex;flex-direction:column;min-width:0;line-height:1.4}
.viewer-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}
.viewer-meta{font-size:11.5px;color:#8f8f8f;font-weight:400;letter-spacing:.02em}
.kind-badge{font-size:10px;font-weight:800;letter-spacing:.16em;background:var(--red);color:#fff;border-radius:5px;padding:4px 8px;flex:0 0 auto}
.viewer-actions{display:flex;gap:8px;flex:0 0 auto}
.ghost-btn{background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;font:600 12.5px var(--font);padding:8px 14px;border-radius:8px;cursor:pointer;text-decoration:none;letter-spacing:.03em}
.ghost-btn:hover{background:rgba(255,255,255,.12)}
#vClose{font-size:19px;line-height:1;padding:6px 13px}
.viewer-body{position:relative;background:#000;min-height:320px;display:flex;align-items:center;justify-content:center}
.viewer-body img{max-width:100%;max-height:78vh;object-fit:contain;display:block}
.viewer-body iframe.doc{width:100%;height:78vh;border:0;background:#fff}
.viewer-body pre.doctext{width:100%;height:60vh;overflow:auto;background:#0c0c0c;color:#e8e8e8;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;padding:28px;margin:0;white-space:pre-wrap;word-break:break-word}
.float-tool{position:absolute;top:12px;right:12px;z-index:6;background:rgba(14,14,14,.88);backdrop-filter:blur(6px)}
.imgwrap{position:relative;width:100%;display:flex;align-items:center;justify-content:center;overflow:auto;max-height:78vh;background:#000}
.imgwrap img{max-width:100%;max-height:78vh;transition:transform .18s ease;transform-origin:center center}
.imgtools{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:4px;background:rgba(14,14,14,.88);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px;backdrop-filter:blur(6px);z-index:6}
.imgtools button{background:none;border:0;color:#fff;font-size:14px;font-weight:700;padding:6px 13px;border-radius:999px;cursor:pointer}
.imgtools button:hover{background:var(--red)}
.textwrap{width:100%;display:flex;flex-direction:column;max-height:78vh}
.textbar{display:flex;justify-content:flex-end;align-items:center;padding:10px 14px;background:#111;border-bottom:1px solid rgba(255,255,255,.08)}
.textwrap .doctext{height:auto;flex:1;min-height:280px}

/* ---------- custom media player ---------- */
.player{position:relative;width:100%;background:#000;overflow:hidden;user-select:none}
.player video{width:100%;max-height:78vh;display:block;background:#000}
.p-center{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;transition:opacity .2s}
.p-center[hidden]{display:none}
.p-center.hide{opacity:0}
.p-big{width:84px;height:84px;border-radius:50%;background:rgba(227,6,19,.94);display:grid;place-items:center;pointer-events:auto;cursor:pointer;border:0;transition:transform .15s}
.p-big:hover{transform:scale(1.06)}
.p-big svg{width:32px;height:32px;fill:#fff;margin-left:3px}
.p-spinner{width:54px;height:54px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.p-error{color:#fff;text-align:center;padding:40px;font-size:14px;max-width:420px}
.p-controls{position:absolute;left:0;right:0;bottom:0;padding:44px 18px 14px;background:linear-gradient(transparent,rgba(0,0,0,.82));opacity:0;transition:opacity .25s}
.player:hover .p-controls,.player.touched .p-controls,.player.paused .p-controls{opacity:1}
.p-seek{position:relative;height:22px;cursor:pointer;margin-bottom:6px}
.p-track{position:absolute;left:0;right:0;top:9px;height:4px;background:rgba(255,255,255,.22);border-radius:2px}
.p-buffer{position:absolute;left:0;top:9px;height:4px;background:rgba(255,255,255,.38);border-radius:2px;width:0}
.p-fill{position:absolute;left:0;top:9px;height:4px;background:var(--red);border-radius:2px;width:0}
.p-knob{position:absolute;top:11px;width:12px;height:12px;background:#fff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 1px 4px rgba(0,0,0,.5)}
.p-row{display:flex;align-items:center;gap:10px;color:#fff}
.p-btn{background:none;border:0;color:#fff;cursor:pointer;padding:6px;border-radius:6px;display:grid;place-items:center}
.p-btn:hover{background:rgba(255,255,255,.14)}
.p-btn svg{width:22px;height:22px;fill:#fff;display:block}
.p-time{font-size:12.5px;font-variant-numeric:tabular-nums;color:rgba(255,255,255,.92);white-space:nowrap}
.p-vol{display:flex;align-items:center;gap:6px}
.p-vol input[type=range]{width:76px;accent-color:var(--red);cursor:pointer}
.p-spacer{flex:1}
.p-speed{position:relative}
.p-speed-menu{position:absolute;bottom:40px;right:0;background:#161616;border:1px solid rgba(255,255,255,.12);border-radius:8px;overflow:hidden;min-width:110px}
.p-speed-menu button{display:block;width:100%;background:none;border:0;color:#fff;font:600 13px var(--font);padding:9px 14px;text-align:left;cursor:pointer}
.p-speed-menu button:hover,.p-speed-menu button.on{background:var(--red)}
.p-speed-label{font-size:12.5px;font-weight:700;min-width:38px;text-align:center}

/* audio card variant + visualizer */
.player.is-audio{border-radius:12px;background:#0b0b0b}
.acard{position:relative;width:100%;background:#0b0b0b;color:#fff;overflow:hidden}
.avis{position:absolute;inset:0;width:100%;height:100%;display:block}
.acard-top{position:relative;display:flex;align-items:center;gap:20px;padding:30px 28px 22px;background:linear-gradient(rgba(11,11,11,.45),rgba(11,11,11,.82))}
.a-disc{width:88px;height:88px;border-radius:50%;flex:0 0 88px;background:conic-gradient(var(--red) 0 22%,#333 22% 40%,var(--red) 40% 58%,#1c1c1c 58%);box-shadow:0 8px 28px rgba(0,0,0,.65);display:grid;place-items:center;animation:discspin 7s linear infinite;animation-play-state:paused}
.player.playing .a-disc{animation-play-state:running}
@keyframes discspin{to{transform:rotate(360deg)}}
.a-disc::after{content:"";width:30px;height:30px;border-radius:50%;background:#0b0b0b;border:2px solid #3a3a3a}
.a-meta{flex:1;min-width:0}
.a-title{font-weight:700;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.a-sub{font-size:11.5px;color:rgba(255,255,255,.55);margin-top:5px;letter-spacing:.12em;text-transform:uppercase}
.acard .p-controls{position:static;opacity:1;background:linear-gradient(transparent,rgba(0,0,0,.5));padding:8px 22px 20px}

@media (max-width:760px){
  .hero{padding:64px 20px 48px}
  .fetch{flex-direction:column;border-radius:12px}
  .fetch button{padding:16px}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--line)}
  .step:first-child{border-top:0}
  .cap-grid{grid-template-columns:1fr 1fr}
  .file{gap:12px}
  .factions .btn{padding:9px 12px}
  .foot-in{flex-direction:column;text-align:center}
  .foot-note{text-align:center}
}

/* ---------- download tray ---------- */
.tray{position:fixed;right:18px;bottom:18px;z-index:120;width:min(380px,calc(100vw - 36px));display:flex;flex-direction:column;gap:10px}
.tray[hidden]{display:none}
.dl-item{background:#111;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:14px 16px;color:#fff;box-shadow:0 12px 40px rgba(0,0,0,.4)}
.dl-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.dl-name{flex:1;min-width:0;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-x{background:none;border:0;color:rgba(255,255,255,.5);font-size:18px;cursor:pointer;padding:2px 6px;line-height:1}
.dl-x:hover{color:#fff}
.dl-bar{height:6px;background:rgba(255,255,255,.14);border-radius:3px;overflow:hidden;margin-bottom:8px}
.dl-fill{height:100%;width:0;background:var(--red);border-radius:3px;transition:width .3s}
.dl-main{display:flex;align-items:center;gap:10px}
.dl-main.done .dl-fill{background:#22c55e}
.dl-stats{flex:1;font-size:12px;color:rgba(255,255,255,.65);font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-pause{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font:600 12px var(--font);padding:6px 12px;border-radius:7px;cursor:pointer}
.dl-pause:hover{background:rgba(255,255,255,.2)}

/* ---------- share popover ---------- */
.share-pop{position:absolute;z-index:130;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 48px rgba(0,0,0,.18);padding:6px;min-width:208px}
.share-pop[hidden]{display:none}
.share-pop button,.share-pop a{display:block;width:100%;text-align:left;background:none;border:0;color:var(--ink);font:500 13.5px var(--font);padding:10px 12px;border-radius:8px;cursor:pointer;text-decoration:none}
.share-pop button:hover,.share-pop a:hover{background:var(--wash)}