:root{
  --bg:#f6f7fb;--panel:rgba(255,255,255,.78);--text:#101828;--muted:#667085;
  --line:rgba(16,24,40,.09);--dark:#111827;--shadow:0 24px 80px rgba(16,24,40,.12);
  --radius:30px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:linear-gradient(180deg,#f9fafb 0%,#eff4ff 45%,#fff 100%);color:var(--text)}
a{text-decoration:none;color:inherit}
.app-bg{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:-1}.glow{position:absolute;border-radius:999px;filter:blur(86px);opacity:.48}.glow-a{width:520px;height:520px;background:#b7d3ff;left:-150px;top:-130px}.glow-b{width:540px;height:540px;background:#dbc8ff;right:-180px;top:220px}.grid-noise{position:absolute;inset:0;background-image:linear-gradient(rgba(16,24,40,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(16,24,40,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,black,transparent 74%)}
.shell{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:24px 0 72px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px;margin-bottom:18px;border:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(18px);border-radius:24px;box-shadow:0 12px 40px rgba(16,24,40,.06);position:sticky;top:10px;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand-icon{width:44px;height:44px;display:grid;place-items:center;background:#111827;color:#fff;border-radius:16px}.brand b{display:block;font-size:15px}.brand small{display:block;color:var(--muted);font-size:12px}.top-actions{display:flex;gap:8px}.link-btn{min-height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:14px;background:rgba(16,24,40,.06);font-weight:800;font-size:14px}.link-btn.dark{background:#111827;color:#fff}
.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch;padding:32px;border:1px solid var(--line);border-radius:36px;background:var(--panel);box-shadow:var(--shadow);backdrop-filter:blur(24px)}.badge{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid var(--line);background:rgba(255,255,255,.72);border-radius:999px;color:#344054;font-weight:800;font-size:13px;margin-bottom:20px}.badge i{width:9px;height:9px;border-radius:99px;background:#12b76a;box-shadow:0 0 0 5px rgba(18,183,106,.14)}.hero h1{font-size:clamp(40px,7vw,76px);line-height:.92;letter-spacing:-.07em;margin:0 0 20px}.hero p{font-size:18px;line-height:1.55;color:var(--muted);max-width:760px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.primary-btn,.secondary-btn{min-height:52px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:18px;font-weight:900}.primary-btn{background:#111827;color:#fff;box-shadow:0 16px 34px rgba(17,24,39,.24)}.secondary-btn{background:rgba(16,24,40,.07);color:#111827;border:1px solid rgba(16,24,40,.08)}
.hero-device{display:flex;align-items:center;justify-content:center}.device-window{width:min(100%,430px);background:#101828;color:#fff;border-radius:32px;padding:18px;box-shadow:0 30px 90px rgba(16,24,40,.28);transform:rotate(1.2deg)}.window-dots{display:flex;gap:7px;margin-bottom:20px}.window-dots span{width:10px;height:10px;border-radius:99px;background:rgba(255,255,255,.25)}.file-row{display:flex;align-items:center;gap:14px;padding:16px;border-radius:23px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.13)}.file-row>span{width:52px;height:52px;display:grid;place-items:center;background:rgba(255,255,255,.12);border-radius:18px;font-size:26px}.file-row b{display:block}.file-row small{color:rgba(255,255,255,.64)}.mock-lines{padding:18px 0}.mock-lines i{display:block;height:10px;margin-bottom:11px;background:rgba(255,255,255,.16);border-radius:99px}.mock-lines i:nth-child(1){width:88%;height:18px;background:rgba(255,255,255,.24)}.mock-lines i:nth-child(2){width:72%}.mock-lines i:nth-child(3){width:94%}.mock-lines i:nth-child(4){width:54%}.mock-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mock-actions button{border:0;background:#fff;color:#101828;border-radius:15px;padding:12px 8px;font-weight:900}
.quick-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.quick-cards article{padding:18px;border:1px solid var(--line);border-radius:23px;background:rgba(255,255,255,.74);box-shadow:0 12px 40px rgba(16,24,40,.055)}.quick-cards b{display:block;font-size:20px;margin-bottom:5px}.quick-cards span{color:var(--muted);font-size:14px}
.panel{margin-top:28px;padding:28px;border:1px solid var(--line);border-radius:36px;background:rgba(255,255,255,.76);box-shadow:0 18px 60px rgba(16,24,40,.08);backdrop-filter:blur(24px)}.section-title{margin-bottom:20px}.section-title span{display:inline-block;text-transform:uppercase;letter-spacing:.08em;color:#475467;font-weight:900;font-size:13px;margin-bottom:8px}.section-title h2{font-size:clamp(27px,3.3vw,42px);line-height:1.04;letter-spacing:-.05em;margin:0}
.upload-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.dropzone{min-height:350px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:28px;border:2px dashed rgba(16,24,40,.18);border-radius:30px;background:radial-gradient(circle at top left,rgba(183,211,255,.42),transparent 38%),rgba(248,250,252,.88);cursor:pointer;transition:.18s}.dropzone:hover,.dropzone.drag{transform:translateY(-2px);background:#fff;border-color:rgba(16,24,40,.45)}.dropzone input{display:none}.drop-icon{width:78px;height:78px;display:grid;place-items:center;background:#111827;color:#fff;border-radius:28px;font-size:36px;box-shadow:0 18px 45px rgba(17,24,39,.2);margin-bottom:6px}.dropzone b{font-size:24px;letter-spacing:-.03em}.dropzone small{max-width:360px;color:var(--muted);line-height:1.45}
.result-card{min-height:350px;border-radius:30px;background:#101828;color:#fff;padding:22px;position:relative;overflow:hidden}.result-card:before{content:"";position:absolute;width:340px;height:340px;right:-130px;top:-130px;background:rgba(148,163,184,.22);border-radius:999px;filter:blur(10px)}.empty{position:relative;z-index:1;min-height:306px;height:100%;display:grid;align-content:center;justify-items:center;text-align:center}.empty span{font-size:48px;margin-bottom:10px}.empty b{font-size:24px;margin-bottom:8px}.empty p{max-width:410px;color:rgba(255,255,255,.66);line-height:1.5;margin:0}.loaded{position:relative;z-index:2}.loaded-top{display:flex;align-items:center;gap:14px;padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}.loaded-icon{width:60px;height:60px;border-radius:21px;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:30px}.loaded h3{margin:0 0 5px;color:#fff;font-size:20px;overflow-wrap:anywhere}.loaded p{margin:0;color:rgba(255,255,255,.62);font-size:14px}.action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.action-btn{min-height:48px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.09);color:#fff;border-radius:16px;font-weight:900;cursor:pointer;transition:.18s;text-align:center;padding:10px;display:flex;align-items:center;justify-content:center}.action-btn:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}.status{margin-top:16px;padding:14px;border-radius:18px;background:rgba(255,255,255,.09);color:rgba(255,255,255,.8);line-height:1.45;font-size:14px}.status a{color:#fff;text-decoration:underline}
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tools-grid article{min-height:190px;padding:20px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 12px 40px rgba(16,24,40,.055);transition:.18s;cursor:pointer}.tools-grid article:hover{transform:translateY(-4px);box-shadow:0 20px 60px rgba(16,24,40,.11)}.tools-grid span{width:52px;height:52px;display:grid;place-items:center;background:#f2f4f7;border-radius:18px;font-size:25px;margin-bottom:14px}.tools-grid b{display:block;font-size:18px;margin-bottom:7px}.tools-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.flow-grid article{padding:24px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 12px 40px rgba(16,24,40,.055)}.flow-grid i{width:44px;height:44px;display:grid;place-items:center;border-radius:16px;background:#111827;color:#fff;font-style:normal;font-weight:900;margin-bottom:14px}.flow-grid b{display:block;font-size:20px;margin-bottom:8px}.flow-grid p{margin:0;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(120px);z-index:50;background:#111827;color:#fff;border-radius:18px;padding:14px 18px;box-shadow:0 20px 50px rgba(0,0,0,.2);max-width:min(520px,calc(100% - 28px));transition:.2s}.toast.show{transform:translateX(-50%) translateY(0)}
.view-page{background:#f6f7fb}.view-header{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:14px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);padding:12px 16px}.view-header strong{display:block;overflow-wrap:anywhere}.view-header span{display:block;color:var(--muted);font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:15px;font-weight:900}.btn.dark{background:#111827;color:#fff}.btn.small{min-height:38px}.view-main{padding:16px}.viewer-frame{width:100%;height:calc(100vh - 88px);border:0;border-radius:20px;background:#fff;box-shadow:0 12px 40px rgba(16,24,40,.08)}.image-wrap{display:grid;place-items:center}.image-wrap img{max-width:100%;border-radius:22px;box-shadow:0 16px 50px rgba(16,24,40,.12)}.text-view{white-space:pre-wrap;word-break:break-word;background:#fff;border-radius:22px;padding:22px;box-shadow:0 12px 40px rgba(16,24,40,.08);line-height:1.55}.view-card{max-width:520px;margin:8vh auto;background:#fff;border-radius:28px;padding:30px;text-align:center;box-shadow:0 16px 50px rgba(16,24,40,.1)}.view-icon{font-size:54px;margin-bottom:12px}
@media(max-width:980px){.hero,.upload-layout{grid-template-columns:1fr}.tools-grid{grid-template-columns:repeat(2,1fr)}.quick-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.shell{width:min(100% - 16px,1180px);padding-top:8px}.topbar{top:6px}.brand small,.top-actions .link-btn:first-child{display:none}.hero,.panel{padding:18px;border-radius:26px}.hero h1{font-size:42px}.hero p{font-size:16px}.hero-actions,.action-grid,.quick-cards,.tools-grid,.flow-grid{grid-template-columns:1fr}.primary-btn,.secondary-btn{width:100%}.device-window{transform:none}.dropzone,.result-card{min-height:290px}}