/* Steam background cutter (#tab-bgcut, js/bg-cutter.js, 2026-10-14). Prefix bgc-. Site tokens: cyan #1fc9f1,
   violet #8a7dff, navy panels. Buttons are anchored to the tab id: site-theme.css styles every .btn at (0,3,1) and
   layout-refinement.css forces the radius through --sm-action-radius. */
#tab-bgcut [hidden]{display:none!important}
.page-tools .top-chrome .nav button[data-tab="bgcut"],.top-chrome .nav button[data-tab="bgcut"]{--tool-icon:url('/static/img/tool-icons/bgcut.svg?v=2')}
#tab-bgcut .bgc{--bgc-cyan:#1fc9f1;--bgc-violet:#8a7dff;--bgc-line:rgba(110,170,255,.18);--bgc-muted:rgba(214,229,250,.66);
  display:grid;gap:18px;max-width:1480px;margin:0 auto;font-family:Montserrat,system-ui,sans-serif;color:#e9f3ff}
#tab-bgcut .bgc *{font-family:inherit;box-sizing:border-box}
#tab-bgcut .bgc.is-drag .bgc-stage{outline:2px dashed var(--bgc-cyan);outline-offset:-8px}
#tab-bgcut .bgc-head{display:grid;gap:6px;max-width:860px}
#tab-bgcut .bgc-kicker{color:var(--bgc-cyan);font-size:12.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
#tab-bgcut .bgc-title{margin:0;font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.15;color:#fff}
#tab-bgcut .bgc-lead{margin:0;color:var(--bgc-muted);font-size:14.5px;line-height:1.55}
#tab-bgcut .bgc-grid{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:18px;align-items:start}
#tab-bgcut .bgc-side{display:grid;gap:14px;min-width:0}
#tab-bgcut .bgc-card{display:grid;gap:12px;padding:16px;border:1px solid var(--bgc-line);border-radius:18px;
  background:linear-gradient(160deg,rgba(14,26,60,.82),rgba(5,10,28,.92))}
#tab-bgcut .bgc-card__title{margin:0;font-size:15px;font-weight:800;color:#fff}
#tab-bgcut .bgc-pick{display:grid;gap:10px}
#tab-bgcut .bgc-linkrow{display:flex;gap:8px}
#tab-bgcut .bgc-input{flex:1;min-width:0;min-height:40px;padding:8px 12px;border:1px solid var(--bgc-line);border-radius:12px;background:rgba(0,0,0,.28);color:#fff;font-size:13.5px}
#tab-bgcut .bgc-input:focus{outline:none;border-color:var(--bgc-cyan)}
#tab-bgcut .bgc-or{color:var(--bgc-muted);font-size:12px;text-align:center}
#tab-bgcut .bgc-filerow{display:grid;grid-template-columns:1fr 1fr;gap:8px}
/* "Use" inside the link row: small and see-through, so the two big buttons below read as the other ways in */
#tab-bgcut .bgc-linkrow .bgc-input{flex:1 1 auto;min-width:0}
#tab-bgcut .bgc-linkrow button.bgc-btn--use{--sm-action-radius:11px;flex:0 0 auto;width:auto;min-height:0;height:auto;padding:0 16px;border:1px solid rgba(31,201,241,.45);border-radius:11px;
  background:rgba(31,201,241,.12);color:#bff3ff;font-size:13px;font-weight:800;box-shadow:none}
#tab-bgcut .bgc-linkrow button.bgc-btn--use:hover{background:rgba(31,201,241,.22);color:#fff}
#tab-bgcut .bgc-filerow .bgc-btn{width:100%;min-height:50px;padding:6px 8px;font-size:12.5px;line-height:1.2;text-align:center}
#tab-bgcut .bgc-hint,#tab-bgcut .bgc-note{margin:0;color:var(--bgc-muted);font-size:12.5px;line-height:1.5}
#tab-bgcut .bgc-note{padding:10px 12px;border-left:3px solid rgba(255,200,87,.6);border-radius:8px;background:rgba(255,200,87,.06)}
#tab-bgcut .bgc-link{color:#8eeaff;font-size:13px;font-weight:700;text-decoration:none}
#tab-bgcut .bgc-link:hover{text-decoration:underline}
#tab-bgcut .bgc-chosen{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:12px;align-items:center}
#tab-bgcut .bgc-thumb{width:96px;height:54px;object-fit:cover;border-radius:8px;background:#000}
#tab-bgcut .bgc-chosen__meta{display:grid;gap:4px;min-width:0}
#tab-bgcut .bgc-chosen__name{overflow:hidden;font-size:13.5px;text-overflow:ellipsis;white-space:nowrap}
#tab-bgcut .bgc-tag{justify-self:start;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,.08);color:#cfe0f7;font-size:11.5px;font-weight:700}
#tab-bgcut .bgc-tag.is-anim{background:rgba(138,125,255,.22);color:#e3ddff}

#tab-bgcut .bgc-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
#tab-bgcut .bgc-sc{display:grid;gap:10px;padding:12px;border:1px solid var(--bgc-line);border-radius:14px;background:rgba(255,255,255,.02)}
#tab-bgcut .bgc-sc__head{display:flex;align-items:center;gap:8px}
#tab-bgcut .bgc-sc__no{display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:50%;background:rgba(31,201,241,.16);color:#bff3ff;font-size:12.5px;font-weight:800}
#tab-bgcut .bgc-select{flex:1;min-width:0;min-height:36px;padding:0 10px;border:1px solid var(--bgc-line);border-radius:10px;background:#0b1530;color:#fff;font-size:13px;font-weight:700}
#tab-bgcut .bgc-sc__tools{display:flex;gap:4px}
#tab-bgcut .bgc-field{display:grid;gap:6px}
#tab-bgcut .bgc-field__label{color:var(--bgc-muted);font-size:12.5px;font-weight:600}
#tab-bgcut .bgc-field__row{display:flex;align-items:center;gap:10px}
#tab-bgcut .bgc-field__row input[type=range]{flex:1;min-width:0}
#tab-bgcut .bgc-num{width:76px;min-height:34px;padding:0 8px;border:1px solid var(--bgc-line);border-radius:10px;background:rgba(0,0,0,.28);color:#fff;font-size:13px;font-variant-numeric:tabular-nums}
#tab-bgcut .bgc-unit{color:var(--bgc-muted);font-size:12px}

#tab-bgcut button.bgc-btn,#tab-bgcut a.bgc-btn{--sm-action-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 16px;
  border:0;border-radius:12px;background:linear-gradient(135deg,var(--bgc-cyan),var(--bgc-violet));color:#04101e;font-size:13.5px;font-weight:800;text-decoration:none;cursor:pointer}
#tab-bgcut button.bgc-btn--small{min-height:40px;padding:0 14px}
#tab-bgcut button.bgc-btn--ghost{border:1px solid var(--bgc-line);background:rgba(255,255,255,.04);color:#e9f3ff}
#tab-bgcut button.bgc-btn--ghost:hover{border-color:var(--bgc-cyan)}
#tab-bgcut button.bgc-btn--go{min-height:52px;font-size:15px}
#tab-bgcut button.bgc-btn:disabled{opacity:.55;cursor:progress}
#tab-bgcut a.bgc-btn--ok{background:#5ff2b5}
#tab-bgcut button.bgc-icon{--sm-action-radius:9px;display:grid;place-items:center;width:32px;height:32px;min-height:32px;padding:0;border:1px solid var(--bgc-line);border-radius:9px;
  background:rgba(255,255,255,.03);color:#cfe0f7;font-size:15px;cursor:pointer}
#tab-bgcut button.bgc-icon:disabled{opacity:.35;cursor:default}
#tab-bgcut .bgc-error{margin:0;padding:10px 12px;border-radius:10px;background:rgba(255,92,92,.12);color:#ffb3b3;font-size:13px}
#tab-bgcut .bgc-progress{display:grid;gap:6px}
#tab-bgcut .bgc-progress__track{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
#tab-bgcut .bgc-progress__bar{display:block;height:100%;background:linear-gradient(90deg,var(--bgc-cyan),var(--bgc-violet));transition:width .4s}
#tab-bgcut .bgc-progress__text{color:var(--bgc-muted);font-size:12.5px}
#tab-bgcut .bgc-result{display:grid;gap:10px;padding:14px;border:1px solid rgba(95,242,181,.35);border-radius:16px;background:rgba(95,242,181,.06)}
#tab-bgcut .bgc-result__ok{margin:0;color:#c9ffe9;font-weight:700;font-size:13.5px}
#tab-bgcut .bgc-files{margin:0;padding-left:18px;color:var(--bgc-muted);font-size:12px;line-height:1.6;max-height:150px;overflow:auto}
#tab-bgcut .bgc-how{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;font-size:13px}

#tab-bgcut .bgc-stagecol{display:grid;gap:8px;min-width:0;position:sticky;top:calc(var(--tools-sticky, 140px) + 8px)}
#tab-bgcut .bgc-stage{position:relative;min-height:360px;max-height:calc(100vh - 190px);overflow:auto;border:1px solid var(--bgc-line);border-radius:18px;background:#000;overscroll-behavior:contain}
#tab-bgcut .bgc-canvas{display:block;touch-action:none}
#tab-bgcut .bgc-empty{position:absolute;inset:0;display:grid;place-content:center;gap:6px;padding:24px;text-align:center;pointer-events:none}
#tab-bgcut .bgc-empty strong{font-size:16px}
#tab-bgcut .bgc-empty span{max-width:380px;color:var(--bgc-muted);font-size:13px;line-height:1.5}
#tab-bgcut .bgc-draghint{margin:0;color:var(--bgc-muted);font-size:12px;text-align:center}
@media (max-width:1000px){
  #tab-bgcut .bgc-grid{grid-template-columns:minmax(0,1fr)}
  #tab-bgcut .bgc-stagecol{position:static;order:-1}
  #tab-bgcut .bgc-stage{max-height:70vh}
}
@media (max-width:520px){
  #tab-bgcut .bgc-card{padding:12px}
  #tab-bgcut .bgc-chosen{grid-template-columns:72px minmax(0,1fr)}
  #tab-bgcut .bgc-chosen .bgc-btn{grid-column:1 / -1}
  #tab-bgcut .bgc-thumb{width:72px;height:40px}
}

/* Background picker window (appended to <body>, so not under #tab-bgcut) */
html.bgc-pk-open{overflow:hidden}
.bgc-pk[hidden],.bgc-pk [hidden]{display:none!important}
.bgc-pk{position:fixed;inset:0;z-index:2147483000;display:grid;place-items:center;padding:24px;background:rgba(2,5,14,.78);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-family:Montserrat,system-ui,sans-serif;color:#e9f3ff}
.bgc-pk *{box-sizing:border-box;font-family:inherit}
/* never wider than the window: the grid track and every row may shrink below their content */
.bgc-pk{grid-template-columns:minmax(0,1fr)}
.bgc-pk__dialog,.bgc-pk__bar>*,.bgc-pk__body,.bgc-pk__grid{min-width:0;max-width:100%}
.bgc-pk__dialog{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(0,1fr) auto;width:min(1180px,100%);height:min(860px,100%);
  border:1px solid rgba(110,170,255,.22);border-radius:22px;
  background:linear-gradient(90deg,#1fc9f1,#8a7dff) top/100% 2px no-repeat,linear-gradient(170deg,#0e1a3c,#050a1c);
  box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:hidden}
.bgc-pk__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px 8px}
.bgc-pk__title{margin:0;font-size:20px;font-weight:800;color:#fff}
.bgc-pk button.bgc-pk__close{--sm-action-radius:50%;display:grid;place-items:center;width:38px;height:38px;min-height:38px;padding:0;border:1px solid rgba(110,170,255,.24);
  border-radius:50%;background:rgba(255,255,255,.04);color:#e9f3ff;font-size:22px;line-height:1;cursor:pointer}
.bgc-pk button.bgc-pk__close:hover{border-color:#1fc9f1}
.bgc-pk__bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:6px 20px 14px;border-bottom:1px solid rgba(110,170,255,.14)}
.bgc-pk__search{flex:1 1 260px;min-width:0;min-height:40px;padding:8px 14px;border:1px solid rgba(110,170,255,.22);border-radius:12px;background:rgba(0,0,0,.3);color:#fff;font-size:14px}
.bgc-pk__search:focus{outline:none;border-color:#1fc9f1}
.bgc-pk__seg,.bgc-pk__styles{display:flex;flex-wrap:wrap;gap:6px}
.bgc-pk__styles{flex-basis:100%}
.bgc-pk button.bgc-pk__chip{--sm-action-radius:999px;min-height:32px;padding:0 13px;border:1px solid rgba(110,170,255,.22);border-radius:999px;background:transparent;
  color:#cfe0f7;font-size:12.5px;font-weight:700;cursor:pointer}
.bgc-pk button.bgc-pk__chip:hover{border-color:rgba(31,201,241,.6)}
.bgc-pk button.bgc-pk__chip.is-on{border-color:#1fc9f1;background:rgba(31,201,241,.15);color:#fff}
.bgc-pk__styles button.bgc-pk__chip.is-on{border-color:#8a7dff;background:rgba(138,125,255,.2)}
.bgc-pk__body{overflow:auto;padding:16px 20px;overscroll-behavior:contain}
.bgc-pk__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.bgc-pk button.bgc-pk__card{--sm-action-radius:14px;display:grid;gap:8px;min-height:0;padding:0;border:1px solid rgba(110,170,255,.14);border-radius:14px;
  background:rgba(255,255,255,.03);color:inherit;text-align:left;cursor:pointer;overflow:hidden;transition:transform .15s,border-color .15s,box-shadow .15s}
.bgc-pk button.bgc-pk__card:hover,.bgc-pk button.bgc-pk__card:focus-visible{transform:translateY(-2px);border-color:rgba(31,201,241,.7);box-shadow:0 12px 28px rgba(0,0,0,.45);outline:none}
.bgc-pk__media{position:relative;display:block;aspect-ratio:16/9;background:#000;overflow:hidden}
.bgc-pk__media img,.bgc-pk__media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bgc-pk__media video{opacity:0;transition:opacity .2s}
.bgc-pk__card.is-playing .bgc-pk__media video{opacity:1}
.bgc-pk__badge{position:absolute;top:8px;left:8px;padding:2px 8px;border-radius:999px;background:rgba(138,125,255,.88);color:#fff;font-size:11px;font-weight:800}
.bgc-pk__cap{display:grid;gap:2px;padding:0 10px 10px;min-width:0}
.bgc-pk__cap b{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}
.bgc-pk__cap small{overflow:hidden;color:rgba(214,229,250,.6);font-size:11.5px;text-overflow:ellipsis;white-space:nowrap}
.bgc-pk__status{margin:30px 0;color:rgba(214,229,250,.7);text-align:center;font-size:14px}
.bgc-pk button.bgc-pk__more{--sm-action-radius:12px;display:flex;margin:18px auto 4px;min-height:40px;padding:0 18px;border:1px solid rgba(110,170,255,.24);border-radius:12px;
  background:rgba(255,255,255,.04);color:#e9f3ff;font-size:13px;font-weight:700;cursor:pointer}
.bgc-pk__foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:12px 20px;border-top:1px solid rgba(110,170,255,.14);font-size:13px}
.bgc-pk__count{color:rgba(214,229,250,.7)}
.bgc-pk .bgc-link{color:#8eeaff;font-weight:700;text-decoration:none}
@media (max-width:640px){
  .bgc-pk{padding:0}
  .bgc-pk__dialog{width:100%;height:100%;border-radius:0}
  .bgc-pk__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .bgc-pk__head,.bgc-pk__bar,.bgc-pk__body,.bgc-pk__foot{padding-left:14px;padding-right:14px}
  .bgc-pk__styles{flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}
  .bgc-pk button.bgc-pk__chip{flex:0 0 auto}
}
@media (prefers-reduced-motion:reduce){.bgc-pk button.bgc-pk__card{transition:none}}