:root {
    --bg:#f4f7fb;
    --card:#ffffff;
    --text:#1f2937;
    --muted:#64748b;
    --line:#dbe3ee;
    --primary:#0ea5b7;
    --primary-dark:#078091;
    --danger:#dc2626;
    --warning:#f59e0b;
    --success:#16a34a;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,"Noto Sans",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary-dark);text-decoration:none}
.topbar{background:#0f172a;color:#fff;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.brand{display:flex;align-items:center;gap:12px}.brand img{width:48px;height:48px;object-fit:contain}.brand small{display:block;color:#b6c3d5;font-size:12px;margin-top:2px}
nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}nav a{color:#e6f5f7;padding:8px 10px;border-radius:8px}nav a:hover,nav a.active{background:rgba(14,165,183,.22)}.user-chip{font-size:12px;background:#1e293b;padding:8px 10px;border-radius:999px;color:#cbd5e1}
.container{max-width:1280px;margin:24px auto;padding:0 16px}.footer{text-align:center;color:var(--muted);padding:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px rgba(15,23,42,.06);padding:22px;margin-bottom:18px}.card h1{margin:0 0 16px}.card h2{margin:6px 0 14px;font-size:20px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.field label{display:block;font-weight:700;margin-bottom:6px}.field small{display:block;color:var(--muted);margin-top:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;color:var(--text);font-size:15px}textarea{min-height:90px;resize:vertical}.check-row{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}.remember-row{font-weight:700;color:#334155}.remember-row input{width:18px;height:18px}.checks{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer;font-weight:700;font-size:15px}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#334155}.btn.danger{background:var(--danger)}.btn.warning{background:var(--warning);color:#111827}.btn:disabled,.btn.disabled{opacity:.45;cursor:not-allowed}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px}.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:nowrap}.inline-form{display:inline;margin:0}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;border:1px solid}.alert.success{background:#ecfdf5;border-color:#bbf7d0;color:#166534}.alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert.warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}table{width:100%;border-collapse:collapse;min-width:1050px}th,td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}th{background:#f8fafc;font-size:13px;text-transform:uppercase;color:#475569}tr:last-child td{border-bottom:0}.row-paid{background:#ecfdf5}.row-urgent{background:#fef2f2}.row-request{background:#fffbeb}.badge{display:inline-block;border-radius:999px;padding:4px 8px;font-weight:700;font-size:12px}.badge.paid{background:#bbf7d0;color:#166534}.badge.urgent{background:#fecaca;color:#991b1b}.badge.request{background:#fde68a;color:#92400e}.muted{color:var(--muted)}.nowrap{white-space:nowrap}.filters{display:grid;grid-template-columns:2fr 1.4fr 1fr 1fr;gap:12px;align-items:end}.print-title{display:none}.preview-img{max-width:100%;border:1px solid var(--line);border-radius:12px;display:block}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.hr{height:1px;background:var(--line);margin:18px 0}
@media (max-width:900px){.topbar{align-items:flex-start;flex-direction:column}.grid,.grid-3,.filters,.two-col{grid-template-columns:1fr}table{min-width:900px}}
@media print{body{background:#fff}.no-print,.actions,.filters,.topbar,.footer,.btn{display:none!important}.container{max-width:none;margin:0;padding:0}.card{border:0;box-shadow:none;padding:0;margin:0}.print-title{display:block;margin-bottom:12px}table{min-width:0;font-size:11px}th,td{padding:5px}.hide-print{display:none!important}}
.install-btn{border:1px solid rgba(230,245,247,.35);background:rgba(14,165,183,.18);color:#e6f5f7;padding:8px 10px;border-radius:8px;font-weight:700;cursor:pointer}.install-btn:hover{background:rgba(14,165,183,.35)}.offline-card{max-width:620px;margin:60px auto;text-align:center}.offline-card p{color:var(--muted);font-size:17px;line-height:1.5}
@media (display-mode: standalone){.install-btn{display:none!important}}
@media print{.install-btn{display:none!important}}
.file-choice{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.visually-hidden-file{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.file-btn{min-width:110px}.btn.camera{background:#0f766e}.btn.camera:hover{background:#115e59}.selected-file-name{margin-top:8px;color:var(--muted);font-size:14px;word-break:break-word}