:root{
  /* ink & paper — a records-office instrument panel, not a landing page */
  --bg:#EBEFF4; --surface:#FFFFFF; --surface-2:#F5F7FA; --surface-3:#E7ECF3;
  --ink:#0E1B2E; --ink-2:#5A6B82; --ink-3:#8C9AAC;
  --rule:#D3DBE5; --rule-2:#C0CAD8;
  --nav:#122238; --nav-2:#1B3350;
  --acc:#1B4D8F; --acc-2:#E9F0FA; --acc-3:#143C71;
  --ok:#0E6B4F; --ok-2:#E4F2EC; --warn:#96601A;
  --ui:system-ui,-apple-system,"Segoe UI",Roboto,"Nirmala UI","Noto Sans Devanagari",sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SF Mono",Consolas,monospace;
  --sh:0 1px 2px rgba(14,27,46,.06),0 1px 1px rgba(14,27,46,.04);
  --sh-2:0 4px 14px rgba(14,27,46,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--ui);background:var(--bg);color:var(--ink);
  display:flex;flex-direction:column;overflow:hidden;-webkit-font-smoothing:antialiased}
button,select,input{font-family:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* ---------- header ---------- */
header{display:flex;align-items:center;gap:12px;padding:0 18px;height:52px;position:relative;
  background:var(--nav);color:#EAF0F7;flex:0 0 auto;box-shadow:0 1px 0 rgba(0,0,0,.25)}
header .logo{font-size:15px;font-weight:650;letter-spacing:-.01em;white-space:nowrap}
header .now{font-size:13px;color:#93A5BC;font-weight:500;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;margin-left:auto}
header button.back{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.13);-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);
  border:1px solid rgba(255,255,255,.20);color:#EAF0F7;border-radius:9px;
  padding:8px 16px 8px 12px;font-size:14px;font-weight:600;cursor:pointer;z-index:2}
header button.back:hover{background:rgba(255,255,255,.22)}
header button.back svg{flex:0 0 auto}

main{flex:1;overflow:auto}

/* ---------- home ---------- */
.home{max-width:960px;margin:0 auto;padding:22px 20px 56px}
.home h2{font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);margin:24px 0 10px}


.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(206px,1fr));gap:10px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--rule);
  border-radius:10px;padding:12px 13px;text-align:left;cursor:pointer;box-shadow:var(--sh);
  transition:border-color .13s,box-shadow .13s,transform .13s}
.card:hover{border-color:var(--acc);box-shadow:var(--sh-2);transform:translateY(-1px)}
.card .ico{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex:0 0 auto}
.card .ico svg{width:15px;height:15px}
.card b{display:block;font-size:15.5px;margin-top:9px;letter-spacing:-.015em}
.card p{font-size:12.5px;color:var(--ink-2);margin-top:4px;line-height:1.5}
.g-q   .ico{background:#FBEAD8;color:#8A5314}
.g-img .ico{background:var(--acc-2);color:var(--acc)}
.g-pdf .ico{background:var(--ok-2);color:var(--ok)}
.card.hide,.grid.hide,.home h2.hide{display:none}
.empty{font-size:13.5px;color:var(--ink-3);padding:8px 2px}

/* ---------- workspace: one column, numbered steps ---------- */
.wrap{max-width:660px;margin:0 auto;padding:22px 20px 64px}
.steps{display:flex;flex-direction:column;gap:14px}
.step{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;position:relative}
.step::before{content:"";position:absolute;left:16.5px;top:34px;bottom:-14px;width:1px;background:var(--rule-2)}
.step.last::before{display:none}
.step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--nav);color:#fff;font-size:15px;font-weight:600;z-index:1}
.step .body{min-width:0}
.step > .body > h2{font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);margin:9px 0 9px}

.card-s{background:var(--surface);border:1px solid var(--rule);border-radius:12px;box-shadow:var(--sh)}
.files{}
.panel{background:var(--surface);border:1px solid var(--rule);border-radius:12px;
  box-shadow:var(--sh);padding:4px 18px}
.panel h3{font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 11px}
.panel .sec{padding:15px 0;border-bottom:1px solid var(--rule)}
.panel .sec:last-child{border-bottom:0}

/* dropzone */
.drop{border:1.6px dashed var(--rule-2);border-radius:12px;background:var(--surface);
  padding:38px 20px;text-align:center;cursor:pointer;color:var(--ink-2);box-shadow:var(--sh)}
.drop:hover,.drop.over{border-color:var(--acc);background:var(--acc-2);color:var(--acc-3)}
.drop b{display:block;font-size:15.5px;color:var(--ink);font-weight:600}
.drop:hover b,.drop.over b{color:var(--acc-3)}
.drop span{font-family:var(--mono);font-size:11px;display:block;margin-top:8px;line-height:1.65}
.drop input{display:none}

/* file strip */
.strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:11px}
.item{background:var(--surface);border:1px solid var(--rule);border-radius:10px;
  overflow:hidden;position:relative;box-shadow:var(--sh)}
.item .pv{aspect-ratio:1;background:var(--surface-3) center/contain no-repeat;display:block}
.item .lb{padding:7px 8px;font-size:11px;line-height:1.4;border-top:1px solid var(--rule)}
.item .lb .n{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .lb .d{font-family:var(--mono);font-size:9.5px;color:var(--ink-2);margin-top:2px}
.item .tools{position:absolute;top:5px;right:5px;display:flex;gap:4px}
.item .tools button{width:23px;height:23px;border:0;border-radius:6px;background:rgba(14,27,46,.72);
  color:#fff;font-size:11px;line-height:1;cursor:pointer}
.item .tools button:hover{background:var(--acc)}
.item.off{opacity:.34}
.item .badge{position:absolute;top:5px;left:5px;background:var(--nav);color:#fff;
  font-family:var(--mono);font-size:9px;padding:2px 6px;border-radius:5px}

.addmore{margin-top:12px;background:var(--surface);border:1px dashed var(--rule-2);color:var(--ink-2);
  border-radius:9px;padding:10px 16px;font-size:13.5px;cursor:pointer;font-weight:500}
.addmore:hover{border-color:var(--acc);color:var(--acc)}

/* crop stage */
.cropwrap{position:relative;display:inline-block;max-width:100%;background:var(--surface);
  border:1px solid var(--rule);border-radius:10px;overflow:hidden;line-height:0;box-shadow:var(--sh)}
.cropwrap img{max-width:100%;display:block;user-select:none;-webkit-user-drag:none}
.cropbox{position:absolute;border:1.5px solid var(--acc);box-shadow:0 0 0 9999px rgba(14,27,46,.45);cursor:move}
.cropbox .hz{position:absolute;right:-7px;bottom:-7px;width:14px;height:14px;background:var(--acc);
  border:2px solid #fff;border-radius:3px;cursor:nwse-resize}

/* fields */
.f{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}
.f:last-child{margin-bottom:0}
.f label{font-size:13.5px;color:var(--ink)}
select,input[type=text],input[type=number]{font-family:var(--mono);font-size:12.5px;padding:8px 10px;
  border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink);width:150px}
select:focus,input:focus{border-color:var(--acc)}
input[type=number]{width:88px;text-align:right}
input[type=text].wide,select.wide{width:100%;max-width:420px}
input[type=range]{width:170px;accent-color:var(--acc)}
.chk{display:flex;align-items:center;gap:9px;margin-bottom:9px;cursor:pointer;font-size:13.5px}
.chk:last-child{margin-bottom:0}
.chk input{accent-color:var(--acc);width:16px;height:16px;cursor:pointer}
.hint{font-size:12px;color:var(--ink-2);line-height:1.55;margin-top:9px}
.hint.alert{color:var(--warn)}
.btnrow{display:flex;gap:7px;flex-wrap:wrap}
.btnrow button{flex:1;min-width:62px;border:1px solid var(--rule);background:var(--surface);
  border-radius:8px;padding:8px 6px;font-size:12.5px;cursor:pointer;color:var(--ink)}
.btnrow button:hover{border-color:var(--rule-2);background:var(--surface-2)}
.btnrow button.on{background:var(--nav);color:#fff;border-color:var(--nav)}

/* meter */
.meter{margin-top:12px}
.meter .bar{height:8px;border-radius:5px;background:var(--surface-3);overflow:hidden}
.meter .bar i{display:block;height:100%;background:var(--ok);transition:width .18s}
.meter .bar i.over{background:#B4451F}
.meter .rd{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;
  color:var(--ink-2);margin-top:5px}
.meter .rd b{color:var(--ink);font-variant-numeric:tabular-nums}

/* run + output */
.act{background:var(--surface);border:1px solid var(--rule);border-radius:12px;
  padding:16px 18px;box-shadow:var(--sh)}
.act .st{font-family:var(--mono);font-size:11px;color:var(--ink-2);min-height:15px;margin-bottom:10px}
.act .st.busy{color:var(--acc)}
.act .st.done{color:var(--ok)}
button.go{width:100%;padding:14px;border:0;border-radius:9px;background:var(--acc);color:#fff;
  font-size:15.5px;font-weight:650;cursor:pointer;letter-spacing:-.01em}
button.go:hover{background:var(--acc-3)}
button.go:disabled{background:var(--surface-3);color:var(--ink-3);cursor:not-allowed}
button.dl{width:100%;margin-top:9px;padding:13px;border:0;border-radius:9px;
  background:var(--ok);color:#fff;font-size:15px;font-weight:650;cursor:pointer}
button.dl:hover{filter:brightness(.93)}
.outlist{margin-top:10px;max-height:180px;overflow:auto}
.outlist a{display:flex;justify-content:space-between;gap:9px;font-family:var(--mono);font-size:11px;
  color:var(--ink);text-decoration:none;padding:7px 9px;border-radius:7px}
.outlist a:hover{background:var(--surface-2)}
.outlist a s{text-decoration:none;color:var(--ink-2)}

/* progress */
.prog{height:5px;border-radius:4px;background:var(--surface-3);overflow:hidden;margin-bottom:10px;
  opacity:0;transition:opacity .15s}
.prog.on{opacity:1}
.prog i{display:block;height:100%;width:38%;border-radius:4px;background:var(--acc);
  animation:slide 1.05s ease-in-out infinite}
.prog.done i{width:100%;background:var(--ok);animation:none}
@keyframes slide{0%{margin-left:-40%}100%{margin-left:102%}}

@media (max-width:620px){
  header{padding:0 12px;gap:10px}
  header .logo span,header .now{display:none}
  .wrap{padding:18px 14px 60px}
  .step{grid-template-columns:1fr;gap:0}
  .step::before{display:none}
  .step .num{width:26px;height:26px;font-size:13px;margin-bottom:4px}
  .step > .body > h2{margin-top:6px}
  .panel{padding:2px 14px}
  .f{flex-wrap:wrap}
  select,input[type=text],input[type=number],input[type=range]{width:100%}
  input[type=number]{width:110px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}.prog i{animation:none;width:100%}}



/* ===== collapsed advanced options ===== */
.more{border-top:1px solid var(--rule);margin:0 -18px;padding:0 18px}
.more[open]{padding-bottom:4px}
.more > summary{list-style:none;cursor:pointer;padding:12px 0;font-size:12.5px;font-weight:600;
  color:var(--acc);display:flex;align-items:center;gap:7px}
.more > summary::-webkit-details-marker{display:none}
.more > summary::before{content:"+";font-family:var(--mono);font-size:14px;line-height:1;
  width:16px;height:16px;border:1px solid var(--rule-2);border-radius:4px;
  display:grid;place-items:center;color:var(--ink-2)}
.more[open] > summary::before{content:"–"}
.more .sec:first-of-type{padding-top:0}

/* ===== hot button — pulses when a file is waiting ===== */
button.go.hot{animation:hot 1.5s ease-in-out infinite}
@keyframes hot{
  0%,100%{box-shadow:0 0 0 0 rgba(27,77,143,.42)}
  55%{box-shadow:0 0 0 7px rgba(27,77,143,0)}
}
@media (prefers-reduced-motion:reduce){button.go.hot{animation:none}}


/* ===== quick bar — glass buttons over a tinted band ===== */
.quickbar{border-radius:14px;padding:14px 16px 16px;margin-bottom:22px;
  background:linear-gradient(180deg,#DCE6F3 0%,#E9EEF5 100%);border:1px solid var(--rule)}
.quickbar h2{margin:0 0 10px}
.quick{display:flex;flex-wrap:wrap;gap:10px}
.qb{display:flex;align-items:center;gap:10px;cursor:pointer;
  padding:9px 16px 9px 11px;border-radius:11px;text-align:left;
  background:rgba(255,255,255,.55);-webkit-backdrop-filter:blur(12px) saturate(150%);
  backdrop-filter:blur(12px) saturate(150%);
  border:1px solid rgba(255,255,255,.75);
  box-shadow:0 1px 2px rgba(14,27,46,.07),inset 0 1px 0 rgba(255,255,255,.6);
  transition:background .13s,transform .13s,box-shadow .13s}
.qb:hover{background:rgba(255,255,255,.85);transform:translateY(-1px);
  box-shadow:0 5px 14px rgba(14,27,46,.13),inset 0 1px 0 rgba(255,255,255,.7)}
.qb:active{transform:translateY(0)}
.qb .ico{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(27,77,143,.11);color:var(--acc)}
.qb .ico svg{width:15px;height:15px}
.qb span{display:block;min-width:0}
.qb b{display:block;font-size:15px;font-weight:650;letter-spacing:-.015em;color:var(--ink)}
.qb s{display:block;text-decoration:none;font-family:var(--mono);font-size:10.5px;
  color:var(--ink-2);margin-top:1px}
@media (max-width:620px){
  .quick{display:grid;grid-template-columns:1fr 1fr}
  .qb{padding:9px 11px}
  .qb b{font-size:14px}
}