/* AI Document Crop — Apna Kam Hoga */
:root{--ink:#172554;--mut:#64748b;--b1:#2563eb;--b2:#7c3aed;--line:#e3e8f5;--bg:#f4f7ff}
*{box-sizing:border-box}
body.dc{margin:0;background:linear-gradient(135deg,#f3f7ff,#fbf6ff);font-family:Inter,system-ui,Segoe UI,Roboto,sans-serif;color:var(--ink);-webkit-tap-highlight-color:transparent}
.dc-wrap{max-width:1280px;margin:0 auto;padding:18px 16px 60px}
.topbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.home{display:inline-flex;align-items:center;gap:7px;padding:11px 18px;border-radius:14px;background:linear-gradient(120deg,var(--b1),var(--b2));color:#fff;font-weight:800;text-decoration:none;box-shadow:0 8px 20px #4338ca30}
.home.ghost{background:#fff;color:#4338ca;border:1px solid var(--line);box-shadow:none}

.hero{padding:28px;border-radius:26px;color:#fff;background:linear-gradient(120deg,#172554,#4338ca 60%,#7c3aed);box-shadow:0 20px 50px #4338ca26;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-60px;top:-80px;width:240px;height:240px;border-radius:50%;background:#ffffff14}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.chip{padding:5px 11px;border-radius:999px;background:#ffffff22;font-size:11px;font-weight:800;letter-spacing:.8px}
.hero h1{margin:0 0 8px;font-size:clamp(24px,4vw,38px)}.hero p{margin:0;max-width:760px;color:#e0e7ff;line-height:1.65;font-size:14px}

.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 35px #1725540b;margin-top:18px}
.card h2{margin:0 0 4px;font-size:19px}.card .sub{margin:0 0 14px;color:var(--mut);font-size:13px}
.step{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--b1),var(--b2));color:#fff;font-size:12px;font-weight:900;margin-right:8px}

.types{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.type{border:2px solid var(--line);border-radius:16px;background:#fff;padding:14px;text-align:left;cursor:pointer;font:inherit;color:inherit;transition:.2s}
.type b{display:block;font-size:15px}.type span{font-size:12px;color:var(--mut)}
.type:hover{border-color:#a5b4fc}.type.on{border-color:var(--b1);background:linear-gradient(135deg,#eff6ff,#f5f3ff);box-shadow:0 8px 20px #2563eb22}
.custom{display:none;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.custom.show{display:flex}
.custom label{font-weight:700;font-size:13px}
input[type=number],select{padding:10px 12px;border:1px solid #d7def2;border-radius:11px;font:inherit;background:#fff;color:var(--ink)}
input[type=number]{width:90px}

.switch{display:inline-flex;align-items:center;gap:10px;font-weight:800;cursor:pointer;margin:16px 0 12px}
.switch input{width:20px;height:20px;accent-color:var(--b1)}
.drops{display:grid;grid-template-columns:1fr;gap:14px}.drops.two{grid-template-columns:1fr 1fr}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:150px;border:2px dashed #b8c7f5;border-radius:18px;background:#f8faff;text-align:center;padding:18px;cursor:pointer;transition:.2s}
.drop:hover,.drop.over{background:#eef2ff;border-color:var(--b1)}
.drop .ic{font-size:30px}.drop b{font-size:15px}.drop small{color:var(--mut)}
.drop.disabled{opacity:.5;cursor:not-allowed}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:11px 16px;background:linear-gradient(120deg,var(--b1),var(--b2));color:#fff;font:inherit;font-weight:800;font-size:14px;cursor:pointer;transition:.2s;text-decoration:none}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.ghost{background:#fff;color:#3730a3;border:1px solid #d7def2}.btn.pink{background:linear-gradient(120deg,#db2777,#7c3aed)}.btn.green{background:linear-gradient(120deg,#059669,#10b981)}.btn.red{background:#fff;color:#b91c1c;border:1px solid #fecaca}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:10px}

.work{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:18px;align-items:start}
.work[hidden]{display:none}
.queue{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px}
.qi{flex:none;width:92px;border:2px solid var(--line);border-radius:12px;background:#fff;padding:6px;cursor:pointer;text-align:center;font-size:11px;font-weight:700;color:var(--mut)}
.qi.on{border-color:var(--b1);background:#eff6ff;color:var(--ink)}
.qi canvas{width:100%;height:52px;object-fit:contain;display:block;margin-bottom:4px;border-radius:6px;background:#f1f5f9}
.tabs{display:flex;gap:8px;margin:6px 0 12px}
.tab{padding:8px 16px;border-radius:999px;border:1px solid #d7def2;background:#fff;font:inherit;font-weight:800;font-size:13px;cursor:pointer;color:#475569}
.tab.on{background:linear-gradient(120deg,var(--b1),var(--b2));color:#fff;border-color:transparent}
.tab[hidden]{display:none}
.stage{position:relative;display:grid;place-items:center;min-height:210px;padding:14px;border-radius:16px;background:repeating-conic-gradient(#eef2fb 0 25%,#f8faff 0 50%) 0 0/20px 20px;border:1px solid var(--line)}
.stage canvas{max-width:100%;max-height:340px;box-shadow:0 8px 24px #17255433;background:#fff}
.stage .empty{color:var(--mut);font-size:13px}
.stage.busy:after{content:"🔎 Detecting edges…";position:absolute;inset:0;display:grid;place-items:center;background:#ffffffcc;font-weight:800;border-radius:16px}
.status{margin-top:10px;font-size:13px;font-weight:700;color:var(--mut)}.status.ok{color:#15803d}.status.warn{color:#b45309}.status.err{color:#b91c1c}
.grp{margin-top:16px;padding-top:14px;border-top:1px dashed #dbe3f5}
.grp h3{margin:0 0 10px;font-size:13px;letter-spacing:1px;text-transform:uppercase;color:#4338ca}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.f{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:800;color:#475569}
.f input[type=range]{width:100%;accent-color:var(--b1)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chk{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;cursor:pointer}.chk input{width:18px;height:18px;accent-color:var(--b1)}
.zoombox{display:inline-flex;align-items:center;gap:6px}.zoombox output{min-width:52px;text-align:center;font-weight:800;font-size:13px}
.sheetbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.sheetbar .pg{font-weight:800;min-width:90px;text-align:center}
.paperbox{overflow:auto;max-height:78vh;border-radius:16px;background:#cbd5e1;padding:16px;border:1px solid var(--line)}
.paperbox canvas{display:block;margin:0 auto;background:#fff;box-shadow:0 10px 30px #0f172a44}
.outs{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.tip{margin:12px 0 0;font-size:12px;color:var(--mut);line-height:1.6}

/* four-corner editor */
.modal{position:fixed;inset:0;z-index:60;background:#0b1224e6;display:none;overflow:auto;padding:14px}
.modal.show{display:block}
.mbox{max-width:1100px;margin:0 auto;background:#fff;border-radius:22px;padding:20px}
.mhead{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:flex-start;margin-bottom:12px}
.mhead small{font-size:11px;letter-spacing:2px;font-weight:900;color:#7c3aed}.mhead h2{margin:2px 0 0;font-size:22px}
.medit{position:relative;display:grid;place-items:center;background:#0f172a;border-radius:16px;padding:10px;touch-action:none}
.medit canvas#edCv{max-width:100%;touch-action:none;cursor:crosshair}
.loupe{position:absolute;right:14px;top:14px;width:150px;height:150px;border-radius:50%;border:3px solid #fff;box-shadow:0 8px 24px #000a;overflow:hidden;background:#000;pointer-events:none;display:none}
.loupe.show{display:block}.loupe canvas{width:100%;height:100%;display:block}
.mtools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}
.mtools .sep{flex:1}
.zbtn.on{background:linear-gradient(120deg,var(--b1),var(--b2));color:#fff;border-color:transparent}

@media(max-width:980px){.work{grid-template-columns:1fr}.types{grid-template-columns:1fr}.drops.two{grid-template-columns:1fr}}
@media(max-width:560px){.dc-wrap{padding:12px 12px 50px}.hero{padding:22px}.card{padding:16px}.grid2{grid-template-columns:1fr}.loupe{width:110px;height:110px}.mbox{padding:14px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.drop[hidden],.tab[hidden]{display:none!important}

.paperbox canvas#sheet{touch-action:none}.paperbox canvas#sheet.grab{cursor:grabbing}
.medit canvas#edCv{cursor:grab}