:root{--bg:#0f172a;--card:#111c31;--card2:#18243a;--text:#f8fafc;--muted:#9ca3af;--line:#334155;--green:#22c55e;--red:#ef4444;--amber:#f59e0b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.app{max-width:760px;margin:0 auto;min-height:100vh;padding:18px 18px 92px}
header{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:16px}
h1{font-size:30px;margin:0}.sub{color:var(--muted);font-size:15px;margin-top:4px}.pill{font-size:12px;border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:var(--muted)}
.card{background:linear-gradient(180deg,var(--card),#0f1b2e);border:1px solid var(--line);border-radius:22px;padding:18px;margin-bottom:16px;box-shadow:0 10px 24px #0004}
.drop{border:2px dashed #475569;border-radius:18px;padding:34px 20px;text-align:center;cursor:pointer;background:#0b1324}.drop b{font-size:22px}.drop p{color:var(--muted)}
.btn{width:100%;border:0;border-radius:16px;padding:15px 18px;font-size:18px;font-weight:800;background:#1f2937;color:#fff;margin:8px 0;cursor:pointer}
.btn.green{background:var(--green);color:#06110a}.btn.red{background:#411b29;color:#fecaca}.btn.small{width:auto;padding:9px 12px;font-size:14px;border-radius:11px;margin:2px}.btn.amber{background:var(--amber);color:#111827}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
label{display:block;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.04em;font-size:12px;margin:12px 0 6px}
input,select,textarea{width:100%;background:#0b1324;color:#fff;border:1px solid #334155;border-radius:14px;padding:13px;font-size:16px}
textarea{min-height:80px}.preview{max-width:100%;max-height:340px;border-radius:16px;border:1px solid var(--line);object-fit:contain;background:#020617}
.err{background:#3b1118;border:1px solid #7f1d1d;color:#fecaca;border-radius:16px;padding:13px;margin:12px 0}.ok{background:#0c2a1a;border:1px solid #14532d;color:#bbf7d0;border-radius:16px;padding:13px;margin:12px 0}
.nav{position:fixed;bottom:0;left:0;right:0;background:#08111f;border-top:1px solid var(--line);display:flex;justify-content:center;gap:4px;padding:10px;z-index:50}.nav button{max-width:180px;background:transparent;color:var(--muted);border:0;font-weight:800;padding:12px;border-radius:12px}.nav button.active{color:var(--green);background:#13233a}
.section{display:none}.section.active{display:block}
.receipt{border:1px solid var(--line);border-radius:16px;padding:14px;margin:12px 0;background:#0b1324}.row{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.muted{color:var(--muted)}.amount{font-weight:900}.items{font-size:13px;color:#cbd5e1;margin-top:8px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--line);padding:8px;text-align:left;font-size:13px}.table input,.table select{padding:8px;border-radius:10px;font-size:14px}
@media(max-width:560px){.grid,.grid3{grid-template-columns:1fr}h1{font-size:26px}.app{padding-left:14px;padding-right:14px}}