/* Anthersand AI Visualizer */
@import url("app.css");

body{overflow:hidden;height:100svh}
.app{display:grid;grid-template-rows:auto 1fr;height:100svh}

.vhdr{display:flex;align-items:center;gap:16px;padding:0 20px;height:62px;border-bottom:1px solid var(--line);background:var(--carbon);flex:0 0 auto;z-index:10}
.vhdr img.lg{height:26px}
.vhdr .sp{flex:1}
.vhdr .pill{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:100px;border:1px solid var(--line2);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--tx3)}
.vhdr .pill.on{color:#7BE0A4;border-color:rgba(34,180,90,.4);background:rgba(34,180,90,.08)}
.vhdr .pill.off{color:#FFC46B;border-color:rgba(255,170,60,.35);background:rgba(255,170,60,.08)}
.vhdr .pill i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block}

.body{display:grid;grid-template-columns:1fr 372px;min-height:0}
.stage{position:relative;background:#08080A;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}
.stage-in{position:relative;max-width:100%;max-height:100%;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
#cv{display:block;max-width:100%;max-height:calc(100svh - 62px - 34px);width:auto;height:auto}

.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center;padding:32px}
.empty h2{font-size:clamp(24px,3vw,34px)}
.empty p{color:var(--tx2);max-width:44ch}
.drop{border:2px dashed var(--line2);border-radius:20px;padding:44px 40px;transition:.3s var(--ease);background:rgba(255,255,255,.02)}
.drop.over{border-color:var(--red);background:rgba(228,19,28,.07)}

.scan{position:absolute;inset:0;pointer-events:none;display:none;z-index:5}
.scan.on{display:block}
.scan::before{content:"";position:absolute;left:0;right:0;height:26%;
  background:linear-gradient(180deg,transparent,rgba(228,19,28,.32),transparent);
  animation:scan 1.9s var(--ease) infinite}
.scan::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(228,19,28,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(228,19,28,.11) 1px,transparent 1px);
  background-size:34px 34px;mix-blend-mode:screen;opacity:.55}
@keyframes scan{0%{top:-26%}100%{top:100%}}

.busy{position:absolute;inset:0;z-index:8;display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:rgba(8,8,10,.74);backdrop-filter:blur(6px)}
.busy.on{display:flex}
.ring{width:54px;height:54px;border-radius:50%;border:3px solid rgba(255,255,255,.14);border-top-color:var(--red);animation:sp .85s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.busy b{font-size:15px;font-weight:700}
.busy span{font-size:12.5px;color:var(--tx2)}
.bar{width:230px;height:3px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden}
.bar i{display:block;height:100%;background:var(--red);width:0%;transition:width .5s linear}

.hint{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);z-index:6;
  padding:9px 16px;border-radius:100px;background:rgba(10,10,11,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line2);font-size:12.5px;font-weight:600;white-space:nowrap;max-width:92%;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transition:opacity .3s}
.hint.on{opacity:1}

.cmp{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--red);z-index:4;display:none;box-shadow:0 0 20px rgba(228,19,28,.8)}
.cmp.on{display:block}
.cmp b{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:42px;height:42px;border-radius:50%;
  background:var(--red);border:3px solid #fff;cursor:ew-resize;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px}

/* ---------- panel ---------- */
.panel{background:var(--carbon);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.pscroll{overflow-y:auto;padding:20px;flex:1;min-height:0}
.pfoot{border-top:1px solid var(--line);padding:14px 18px calc(14px + env(safe-area-inset-bottom));display:grid;gap:9px;background:var(--carbon)}
.plbl{font-size:10.5px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--tx3);margin:22px 0 11px;display:flex;justify-content:space-between;align-items:center}
.plbl:first-child{margin-top:0}

.srcs{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.src{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px;border-radius:12px;border:1px solid var(--line2);
  background:var(--panel);cursor:pointer;font-size:13px;font-weight:700;transition:.2s}
.src:hover{border-color:#4c4c58;background:var(--panel2)}
.src svg{width:17px;height:17px;color:var(--red)}

.samples{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.samples img{aspect-ratio:1;object-fit:cover;border-radius:10px;cursor:pointer;border:2px solid transparent;transition:.2s;width:100%}
.samples img:hover{transform:translateY(-2px)}
.samples img.on{border-color:var(--red)}

.tabs{display:flex;gap:6px;margin-bottom:12px}
.tab{flex:1;padding:8px;border-radius:10px;border:1px solid var(--line2);background:transparent;color:var(--tx2);
  font-size:12px;font-weight:700;cursor:pointer;transition:.2s}
.tab.on{background:#fff;color:var(--ink);border-color:#fff}

.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.col{cursor:pointer}
.col .ch{aspect-ratio:1.15;border-radius:11px;border:2px solid transparent;overflow:hidden;transition:.2s;position:relative}
.col .ch img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.col.on .ch{border-color:var(--red);box-shadow:0 0 0 3px rgba(228,19,28,.2)}
.col:hover .ch{transform:translateY(-2px)}
.col .nm{font-size:11px;font-weight:700;color:var(--tx2);margin-top:6px;text-align:center;line-height:1.25}
.col.on .nm{color:#fff}

.segs{display:flex;gap:6px}
.seg{flex:1;padding:9px;border-radius:10px;border:1px solid var(--line2);background:transparent;color:var(--tx2);font-size:12px;font-weight:700;cursor:pointer;transition:.2s}
.seg.on{background:var(--red);border-color:var(--red);color:#fff}

.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tool{padding:10px 6px;border-radius:10px;border:1px solid var(--line2);background:transparent;color:var(--tx2);
  font-size:11.5px;font-weight:700;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;transition:.2s}
.tool.on{border-color:var(--red);color:#fff;background:rgba(228,19,28,.1)}
.tool svg{width:16px;height:16px}

.note{font-size:12px;color:var(--tx3);line-height:1.5;margin-top:10px}
.err{background:rgba(228,19,28,.1);border:1px solid rgba(228,19,28,.4);color:#FF9095;padding:11px 13px;border-radius:11px;font-size:12.5px;margin-top:12px}

.sheet{position:fixed;inset:0;z-index:120;background:rgba(6,6,8,.9);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:22px}
.sheet.on{display:flex}
.sheet .box{background:var(--panel);border:1px solid var(--line2);border-radius:20px;padding:26px;max-width:420px;width:100%}
.sheet h3{margin-bottom:6px}
.sheet p{color:var(--tx2);font-size:14px;margin-bottom:18px}

/* ---------- step bar ---------- */
.steps{display:flex;align-items:center;padding:0 0 18px;border-bottom:1px solid var(--line);margin-bottom:4px}
.step{display:flex;align-items:center;gap:5px;flex:1;justify-content:center;padding:5px 2px;border-radius:8px;transition:.25s}
.step i{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;font-style:normal;color:var(--tx3);transition:.25s;flex-shrink:0}
.step span{font-size:11px;font-weight:700;color:var(--tx3);transition:.25s}
.step.on i{background:var(--red);border-color:var(--red);color:#fff;box-shadow:0 0 0 3px rgba(228,19,28,.2)}
.step.on span{color:#fff}
.step.done i{background:rgba(34,180,90,.12);border-color:rgba(34,180,90,.45);color:#7BE0A4}
.step.done span{color:#7BE0A4}
.step-arr{color:var(--tx3);font-size:16px;opacity:.3;flex-shrink:0;padding:0 1px}

/* ---------- pulse on render button when ready ---------- */
#btnRender.pulse{animation:pulse-btn 2.2s ease-in-out infinite}
@keyframes pulse-btn{0%,100%{box-shadow:0 0 0 0 rgba(228,19,28,.5)}60%{box-shadow:0 0 0 10px rgba(228,19,28,0)}}

/* ---------- how-it-works in empty drop zone ---------- */
.how-label{font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--tx3);margin:0 0 18px;text-align:center}
.how{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;text-align:left}
.how-step{display:flex;align-items:flex-start;gap:14px}
.how-step b{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:1px}
.how-step div{display:flex;flex-direction:column;gap:2px}
.how-step strong{font-size:13.5px;font-weight:700;color:#fff}
.how-step span{font-size:12px;color:var(--tx3);line-height:1.4}
.drop-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.drop-cam{display:flex;align-items:center;gap:8px}
.drop-hint{font-size:11.5px;color:var(--tx3);margin:12px 0 0;text-align:center}

@media(max-width:900px){
  body{overflow:auto;height:auto}
  .app{height:auto;grid-template-rows:auto auto auto}
  .body{grid-template-columns:1fr}
  .stage{height:52svh;border-bottom:1px solid var(--line)}
  #cv{max-height:calc(52svh - 20px)}
  .panel{border-left:0}
  .pfoot{position:sticky;bottom:0}
  .cols{grid-template-columns:repeat(4,1fr)}
  .drop-hint{display:none}
  /* keep lang toggle visible — tighten header on small screens */
  .vhdr{gap:8px;padding:0 12px}
  .vhdr .pill span{display:none} /* hide "AI ready" text, keep dot */
  .vhdr .pill{padding:5px 8px;gap:0}
}