/* ============================================================
   ChromaShed × TikTok integration demo UI
   React-safe additive layer (same pattern as cs-boost).
   All elements are appended to the DOM — React host nodes
   are never mutated.
   ============================================================ */

/* ---------- header: Continue with TikTok ---------- */
.cs-tt-login{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px 0 13px;
  background:#ffffff;color:#0b0b0e;border:1px solid rgba(0,0,0,.06);border-radius:10px;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  box-shadow:0 1px 2px rgba(0,0,0,.18),0 4px 14px rgba(0,0,0,.14);
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.cs-tt-login:hover{background:#f7f7f9;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.2),0 8px 22px rgba(0,0,0,.2)}
.cs-tt-login:active{transform:translateY(0) scale(.985)}
.cs-tt-login svg{width:19px;height:19px;flex:none}

/* ---------- header: profile chip ---------- */
.cs-tt-chip{
  display:inline-flex;align-items:center;gap:9px;height:40px;padding:3px 14px 3px 4px;
  background:transparent;border:1px solid var(--border,#27272a);border-radius:999px;
  cursor:pointer;font-size:14px;color:inherit;transition:border-color .15s,background .15s,box-shadow .15s;
}
.cs-tt-chip:hover{border-color:var(--primary,#3fdd85);background:rgba(63,221,133,.06);box-shadow:0 0 0 3px rgba(63,221,133,.12)}
.cs-tt-chip img{width:32px;height:32px;border-radius:50%;object-fit:cover;display:block}
.cs-tt-chip-name{font-weight:600;line-height:1.1}
.cs-tt-chip-sub{display:block;font-size:10.5px;font-weight:500;color:var(--muted-foreground,#a1a1aa);letter-spacing:.01em}
.cs-tt-chip-arrow{width:14px;height:14px;color:var(--muted-foreground,#a1a1aa);transition:transform .18s}
.cs-tt-chip.open .cs-tt-chip-arrow{transform:rotate(180deg)}
.cs-tt-chip{animation:csTtPop .38s cubic-bezier(.34,1.56,.64,1)}

/* ---------- dropdown ---------- */
.cs-tt-drop{
  position:absolute;top:calc(100% + 10px);right:0;z-index:80;min-width:224px;
  background:var(--card,#101013);border:1px solid var(--border,#27272a);border-radius:14px;
  box-shadow:0 18px 50px rgba(0,0,0,.5);padding:6px;
  animation:csTtSlide .18s ease both;transform-origin:top right;
}
.cs-tt-drop-head{display:flex;align-items:center;gap:10px;padding:9px 10px 10px;border-bottom:1px solid var(--border,#27272a);margin-bottom:5px}
.cs-tt-drop-head img{width:36px;height:36px;border-radius:50%}
.cs-tt-drop-head b{display:block;font-size:13.5px;line-height:1.2}
.cs-tt-drop-head span{font-size:11.5px;color:var(--muted-foreground,#a1a1aa)}
.cs-tt-drop-item{
  display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;background:transparent;
  color:inherit;font-size:13.5px;font-weight:500;border-radius:9px;cursor:pointer;text-align:left;
  transition:background .12s;
}
.cs-tt-drop-item:hover{background:rgba(255,255,255,.06)}
.cs-tt-drop-item svg{width:16px;height:16px;color:var(--muted-foreground,#a1a1aa)}
.cs-tt-drop-item.danger{color:#f87171}
.cs-tt-drop-item.danger svg{color:#f87171}
.cs-tt-drop-item.danger:hover{background:rgba(248,113,113,.08)}

/* ---------- generic modal shell ---------- */
.cs-tt-ovl{
  position:fixed;inset:0;z-index:9990;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,10,.62);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  animation:csTtFade .22s ease both;padding:24px;overflow-y:auto;
}
.cs-tt-ovl.closing{animation:csTtFadeOut .18s ease both;padding:24px}
.cs-tt-modal{
  position:relative;background:var(--card,#101013);border:1px solid var(--border,#2b2b30);
  border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.6);margin:auto;
  animation:csTtSlideUp .28s cubic-bezier(.22,1.2,.36,1) both;max-width:calc(100vw - 32px);
}
.cs-tt-ovl.closing .cs-tt-modal{animation:csTtDown .18s ease both}
.cs-tt-x{
  position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:9px;border:0;
  background:rgba(127,127,140,.12);color:var(--muted-foreground,#a1a1aa);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .12s,color .12s;z-index:5;
}
.cs-tt-x:hover{background:rgba(127,127,140,.22);color:inherit}
.cs-tt-x svg{width:15px;height:15px}

/* =========== 1) TikTok OAuth authorization (sandbox) =========== */
.cs-tt-auth{width:430px;background:#fff;border:0;border-radius:18px;overflow:hidden;color:#161823;font-family:"TikTok Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.cs-tt-auth-top{display:flex;flex-direction:column;align-items:center;padding:30px 34px 8px}
.cs-tt-auth-top .cs-tt-ttlogo{width:42px;height:42px;margin-bottom:12px}
.cs-tt-auth-title{font-size:21px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px;color:#161823}
.cs-tt-auth-sub{font-size:13px;color:#5c5c6e;margin:0}
.cs-tt-auth-app{
  display:flex;align-items:center;gap:11px;margin:16px 34px 0;padding:12px 14px;
  background:#f7f7f9;border:1px solid #ececf1;border-radius:13px;
}
.cs-tt-auth-app-ic{width:38px;height:38px;border-radius:10px;flex:none}
.cs-tt-auth-app b{display:block;font-size:14px;color:#161823}
.cs-tt-auth-app span{font-size:11.5px;color:#81818f}
.cs-tt-auth-user{display:flex;align-items:center;gap:11px;margin:10px 34px 0;padding:12px 14px;border-radius:13px;border:1px solid #e4e4ec;background:#fff}
.cs-tt-auth-user img{width:38px;height:38px;border-radius:50%;flex:none;object-fit:cover}
.cs-tt-auth-user b{display:block;font-size:14px;color:#161823}
.cs-tt-auth-user span{font-size:11.5px;color:#81818f}
.cs-tt-auth-user .cs-tt-ok{margin-left:auto;width:18px;height:18px;color:#2ec26e;flex:none}
.cs-tt-auth-scopes{margin:14px 34px 0;border:1px solid #ececf1;border-radius:13px;overflow:hidden}
.cs-tt-auth-scopes-h{padding:11px 14px;background:#f7f7f9;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#81818f}
.cs-tt-scope{display:flex;align-items:center;gap:11px;padding:11.5px 14px;border-top:1px solid #f1f1f5;animation:csTtScopeIn .4s ease both}
.cs-tt-scope:nth-child(2){animation-delay:.12s}
.cs-tt-scope:nth-child(3){animation-delay:.24s}
.cs-tt-scope:nth-child(4){animation-delay:.36s}
.cs-tt-scope-ic{width:26px;height:26px;border-radius:8px;background:#eef9f2;color:#1bbf6b;display:flex;align-items:center;justify-content:center;flex:none}
.cs-tt-scope-ic svg{width:14px;height:14px}
.cs-tt-scope b{display:block;font-size:13.5px;color:#161823;font-weight:600}
.cs-tt-scope span{display:block;font-size:11.5px;color:#81818f}
.cs-tt-scope code{display:inline-block;margin-top:3px;font-size:10.5px;color:#0f766e;background:#ecfdf5;border:1px solid #d1fae5;border-radius:5px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.cs-tt-auth-btns{display:flex;flex-direction:column;gap:9px;padding:18px 34px 8px}
.cs-tt-auth-go{
  height:46px;border:0;border-radius:11px;background:#161823;color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;transition:background .15s,transform .12s;display:flex;align-items:center;justify-content:center;gap:9px;
}
.cs-tt-auth-go:hover{background:#000;transform:translateY(-1px)}
.cs-tt-auth-go:active{transform:translateY(0)}
.cs-tt-auth-go svg{width:17px;height:17px}
.cs-tt-auth-cancel{height:38px;border:0;background:transparent;color:#6b6b7b;font-size:13.5px;font-weight:600;cursor:pointer;border-radius:10px}
.cs-tt-auth-cancel:hover{background:#f4f4f7;color:#161823}
.cs-tt-auth-foot{padding:6px 34px 18px;text-align:center;font-size:10.5px;color:#a5a5b3}
.cs-tt-auth-foot b{color:#71717e}
.cs-tt-auth.spinning .cs-tt-auth-go{opacity:.7;pointer-events:none}
.cs-tt-auth-load{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:csTtSpin .7s linear infinite;display:none}
.cs-tt-auth.spinning .cs-tt-auth-load{display:block}

/* =========== 2) profile modal =========== */
.cs-tt-profile{width:520px;overflow:hidden}
.cs-tt-prof-cover{height:118px;background:linear-gradient(120deg,#0d2b1c 0%,#123a24 40%,#17a055 100%);position:relative}
.cs-tt-prof-cover::after{content:"";position:absolute;inset:0;background:radial-gradient(560px 180px at 82% -40%,rgba(63,221,133,.35),transparent 60%)}
.cs-tt-prof-body{padding:0 30px 28px;margin-top:-44px;position:relative}
.cs-tt-prof-row{display:flex;align-items:flex-end;gap:17px}
.cs-tt-prof-av{width:92px;height:92px;border-radius:50%;object-fit:cover;border:4px solid var(--card,#101013);background:#0b0f12;box-shadow:0 10px 30px rgba(0,0,0,.45)}
.cs-tt-prof-id{padding-bottom:5px;min-width:0}
.cs-tt-prof-id h2{margin:0;font-size:21px;font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:9px}
.cs-tt-prof-badge{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:700;color:#25f4ee;background:rgba(37,244,238,.08);border:1px solid rgba(37,244,238,.25);padding:2.5px 8px;border-radius:999px;letter-spacing:.03em}
.cs-tt-prof-badge svg{width:11px;height:11px}
.cs-tt-prof-id p{margin:3px 0 0;font-size:13px;color:var(--muted-foreground,#a1a1aa)}
.cs-tt-prof-bio{margin:14px 0 0;font-size:13.5px;color:var(--muted-foreground,#c3c3cc);line-height:1.55}
.cs-tt-prof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:19px}
.cs-tt-stat{background:rgba(127,127,140,.07);border:1px solid var(--border,#27272a);border-radius:14px;padding:14px 16px;transition:transform .15s,border-color .15s}
.cs-tt-stat:hover{transform:translateY(-2px);border-color:rgba(63,221,133,.4)}
.cs-tt-stat b{display:block;font-size:20px;font-weight:800;letter-spacing:-.02em}
.cs-tt-stat span{font-size:11.5px;color:var(--muted-foreground,#a1a1aa);font-weight:500}
.cs-tt-prof-note{margin:17px 0 0;font-size:11px;color:var(--muted-foreground,#71717a);display:flex;align-items:center;gap:6px}
.cs-tt-prof-note code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;background:rgba(127,127,140,.12);padding:1px 6px;border-radius:5px}

/* =========== 3) share modal =========== */
.cs-tt-share{width:600px}
.cs-tt-share-head{display:flex;align-items:center;gap:11px;padding:19px 24px 15px;border-bottom:1px solid var(--border,#27272a)}
.cs-tt-share-head .cs-tt-ttlogo{width:26px;height:26px}
.cs-tt-share-head h2{margin:0;font-size:16.5px;font-weight:700}
.cs-tt-share-head span{display:block;font-size:11.5px;color:var(--muted-foreground,#a1a1aa);font-weight:400;margin-top:1px}
.cs-tt-sh-body{display:grid;grid-template-columns:218px 1fr;gap:20px;padding:19px 24px 22px}
.cs-tt-sh-prev{position:relative;border-radius:14px;overflow:hidden;background:#0b0f12;border:1px solid var(--border,#27272a);aspect-ratio:9/13}
.cs-tt-sh-prev img{width:100%;height:100%;object-fit:cover;display:block}
.cs-tt-sh-prev-ov{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(transparent 55%,rgba(0,0,0,.5))}
.cs-tt-sh-prev-ov .cs-tt-pl{width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25)}
.cs-tt-sh-prev-ov svg{width:18px;height:18px;color:#fff;margin-left:2px}
.cs-tt-sh-chip{position:absolute;left:9px;top:9px;background:rgba(0,0,0,.6);backdrop-filter:blur(3px);color:#fff;font-size:10px;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.04em}
.cs-tt-sh-chip.b{left:auto;right:9px}
.cs-tt-sh-form label{display:block;font-size:11.5px;font-weight:600;color:var(--muted-foreground,#a1a1aa);margin:0 0 6px;letter-spacing:.03em}
.cs-tt-sh-cap{
  width:100%;box-sizing:border-box;min-height:76px;resize:none;border-radius:12px;padding:11px 13px;
  background:rgba(127,127,140,.08);border:1px solid var(--border,#27272a);color:inherit;font:inherit;font-size:13.5px;line-height:1.5;outline:none;transition:border-color .15s,box-shadow .15s;
}
.cs-tt-sh-cap:focus{border-color:var(--primary,#3fdd85);box-shadow:0 0 0 3px rgba(63,221,133,.15)}
.cs-tt-sh-count{text-align:right;font-size:10.5px;color:var(--muted-foreground,#71717a);margin-top:4px}
.cs-tt-sh-priv{display:flex;align-items:center;gap:9px;margin-top:13px;border:1px solid var(--border,#27272a);border-radius:11px;padding:9px 12px;background:rgba(127,127,140,.06);cursor:pointer;font-size:13px}
.cs-tt-sh-priv svg{width:16px;height:16px;color:var(--muted-foreground,#a1a1aa)}
.cs-tt-sh-priv b{font-weight:600}
.cs-tt-sh-priv select{margin-left:auto;background:transparent;border:0;color:inherit;font:inherit;font-size:12.5px;outline:none;cursor:pointer}
.cs-tt-sh-priv select option{background:#101013}
.cs-tt-sh-note{display:flex;gap:8px;margin-top:13px;font-size:11px;color:var(--muted-foreground,#8b8b96);line-height:1.5}
.cs-tt-sh-note svg{width:13px;height:13px;flex:none;margin-top:1px}
.cs-tt-sh-go{
  margin-top:16px;width:100%;height:47px;border:0;border-radius:12px;cursor:pointer;
  background:linear-gradient(180deg,#3fdd85,#1fb563);color:#04160c;font-size:15px;font-weight:800;letter-spacing:.01em;
  box-shadow:0 8px 24px rgba(34,197,94,.28);transition:transform .13s,box-shadow .15s,filter .15s;
  display:flex;align-items:center;justify-content:center;gap:9px;font-family:inherit;
}
.cs-tt-sh-go:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(34,197,94,.36)}
.cs-tt-sh-go:active{transform:translateY(0)}
.cs-tt-sh-go svg{width:17px;height:17px}
.cs-tt-sh-go[disabled]{opacity:.75;cursor:default;transform:none}
.cs-tt-sh-go .cs-tt-auth-load{display:none;border-color:rgba(4,22,12,.25);border-top-color:#04160c}
.cs-tt-share.uploading .cs-tt-sh-go .cs-tt-auth-load{display:block}
.cs-tt-share.uploading .cs-tt-sh-go svg.cs-tt-sh-pl2{display:none}

/* upload progress */
.cs-tt-sh-prog{margin-top:14px;display:none}
.cs-tt-share.uploading .cs-tt-sh-prog{display:block;animation:csTtFade .2s ease}
.cs-tt-sh-bar{height:7px;border-radius:99px;background:rgba(127,127,140,.15);overflow:hidden}
.cs-tt-sh-bar i{display:block;height:100%;width:0%;border-radius:99px;background:linear-gradient(90deg,#3fdd85,#22c55e);transition:width .18s linear}
.cs-tt-sh-ptxt{display:flex;justify-content:space-between;font-size:11px;color:var(--muted-foreground,#a1a1aa);margin-top:7px}
.cs-tt-sh-ptxt b{color:#3fdd85;font-variant-numeric:tabular-nums}

/* success state */
.cs-tt-share .cs-tt-sh-body,.cs-tt-share .cs-tt-share-head{transition:opacity .18s}
.cs-tt-share.done .cs-tt-sh-body,.cs-tt-share.done .cs-tt-share-head{opacity:0;pointer-events:none}
.cs-tt-sh-done{
  position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:30px;text-align:center;
}
.cs-tt-share.done .cs-tt-sh-done{display:flex;animation:csTtFade .25s ease}
.cs-tt-sh-check{width:74px;height:74px;border-radius:50%;background:linear-gradient(160deg,#3fdd85,#17a055);display:flex;align-items:center;justify-content:center;box-shadow:0 14px 40px rgba(34,197,94,.35);animation:csTtPop .5s cubic-bezier(.34,1.56,.64,1);margin-bottom:8px}
.cs-tt-sh-check svg{width:34px;height:34px;color:#04160c}
.cs-tt-sh-done h3{margin:0;font-size:20px;font-weight:800}
.cs-tt-sh-done p{margin:0;font-size:13px;color:var(--muted-foreground,#a1a1aa);max-width:340px;line-height:1.55}
.cs-tt-sh-done .cs-tt-sh-ok{
  margin-top:16px;height:42px;padding:0 26px;border:1px solid var(--border,#27272a);border-radius:11px;background:transparent;
  color:inherit;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .12s;
}
.cs-tt-sh-done .cs-tt-sh-ok:hover{background:rgba(127,127,140,.1)}

/* =========== 4) my TikTok videos =========== */
.cs-tt-vids{width:640px}
.cs-tt-vids-head{display:flex;align-items:center;gap:12px;padding:19px 24px 15px;border-bottom:1px solid var(--border,#27272a)}
.cs-tt-vids-head img{width:40px;height:40px;border-radius:50%}
.cs-tt-vids-head h2{margin:0;font-size:16.5px;font-weight:700}
.cs-tt-vids-head span{display:block;font-size:11.5px;color:var(--muted-foreground,#a1a1aa);font-weight:400;margin-top:1px}
.cs-tt-vids-count{margin-left:auto;font-size:11.5px;font-weight:700;background:rgba(63,221,133,.1);color:#3fdd85;border:1px solid rgba(63,221,133,.25);border-radius:999px;padding:4px 11px}
.cs-tt-vids-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;padding:18px 24px 22px}
.cs-tt-vid{
  border:1px solid var(--border,#27272a);border-radius:14px;overflow:hidden;background:rgba(127,127,140,.05);
  transition:transform .16s,border-color .16s;cursor:default;
}
.cs-tt-vid:hover{transform:translateY(-3px);border-color:rgba(63,221,133,.35)}
.cs-tt-vid-thumb{position:relative;aspect-ratio:9/13;background:#0b0f12}
.cs-tt-vid-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.cs-tt-vid-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(0,0,0,.55));}
.cs-tt-vid-pl{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;z-index:2}
.cs-tt-vid-pl svg{width:14px;height:14px;color:#fff;margin-left:1px}
.cs-tt-vid-dur{position:absolute;right:7px;bottom:7px;background:rgba(0,0,0,.65);color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:5px;z-index:2;font-variant-numeric:tabular-nums}
.cs-tt-vid-draft{position:absolute;left:7px;top:7px;background:linear-gradient(120deg,#3fdd85,#17a055);color:#04160c;font-size:9.5px;font-weight:800;padding:2.5px 8px;border-radius:5px;letter-spacing:.05em;z-index:2}
.cs-tt-vid-meta{padding:9px 11px 10px}
.cs-tt-vid-meta b{display:block;font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cs-tt-vid-meta span{font-size:10.5px;color:var(--muted-foreground,#a1a1aa)}

/* =========== share button (clip page) =========== */
.cs-tt-share-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:56px;padding:0 26px;
  background:var(--card,#101013);border:1px solid var(--border,#333338);border-radius:10px;
  color:inherit;font-size:17px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:border-color .15s,background .15s,transform .12s,box-shadow .15s;flex:1;box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
  animation:csTtPop .45s cubic-bezier(.34,1.56,.64,1);
}
.cs-tt-share-btn:hover{border-color:rgba(37,244,238,.45);background:rgba(37,244,238,.05);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.cs-tt-share-btn:active{transform:scale(.985)}
.cs-tt-share-btn svg{width:20px;height:20px;flex:none}

/* ---------- tiktok logo (3-layer offset) ---------- */
.cs-tt-ttlogo .tt-c{fill:#25f4ee}.cs-tt-ttlogo .tt-r{fill:#fe2c55}.cs-tt-ttlogo .tt-k{fill:currentColor}
.cs-tt-login .cs-tt-ttlogo{color:#111}
.cs-tt-share-head .cs-tt-ttlogo,.cs-tt-vids .cs-tt-ttlogo{color:#fff}
.cs-tt-auth-top .cs-tt-ttlogo{color:#111}
.cs-tt-prof-badge .cs-tt-ttlogo{color:#25f4ee}

/* ---------- animations ---------- */
@keyframes csTtFade{from{opacity:0}to{opacity:1}}
@keyframes csTtFadeOut{from{opacity:1}to{opacity:0}}
@keyframes csTtSlide{from{opacity:0;transform:translateY(-6px) scale(.97)}to{opacity:1;transform:none}}
@keyframes csTtSlideUp{from{opacity:0;transform:translateY(26px) scale(.97)}to{opacity:1;transform:none}}
@keyframes csTtDown{from{opacity:1;transform:none}to{opacity:0;transform:translateY(14px) scale(.98)}}
@keyframes csTtPop{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}
@keyframes csTtSpin{to{transform:rotate(360deg)}}
@keyframes csTtScopeIn{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:none}}