:root{--bg: #f5f6f8;--card: #ffffff;--text: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--primary: #0b6b3a;--primary-soft: #d6f0e0;--danger: #c0392b;--warn: #b45309;--warn-soft: #fef3c7;--ok: #047857}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px}a{color:var(--primary);text-decoration:none}.app{max-width:900px;margin:0 auto;padding:16px 16px 80px}.topbar{display:flex;align-items:center;gap:12px;padding:8px 0 16px}.topbar h1{font-size:20px;margin:0;flex:1}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:6px 0 calc(6px + env(safe-area-inset-bottom));z-index:50}.nav a{flex:1;text-align:center;padding:8px 4px;color:var(--muted);font-size:12px}.nav a.active{color:var(--primary);font-weight:600}.nav-icon{font-size:20px;display:block}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:10px}.row{display:flex;gap:8px;align-items:center}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.btn{background:var(--primary);color:#fff;border:0;border-radius:8px;padding:10px 14px;font-size:15px;font-weight:500;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.btn.full{width:100%}.btn.sm{padding:6px 10px;font-size:13px}.input,.select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--card);font-size:15px;font-family:inherit}textarea{resize:vertical;min-height:70px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:12px}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge.active{background:var(--primary-soft);color:var(--primary)}.badge.overdue{background:#fee2e2;color:var(--danger)}.badge.returned{background:#e5e7eb;color:var(--muted)}.badge.free{background:var(--primary-soft);color:var(--primary)}.badge.in_use{background:var(--warn-soft);color:var(--warn)}.muted{color:var(--muted);font-size:13px}.title{font-weight:600}.sync-bar{padding:6px 12px;border-radius:8px;font-size:12px;display:inline-block}.sync-bar.online{background:var(--primary-soft);color:var(--primary)}.sync-bar.offline{background:var(--warn-soft);color:var(--warn)}.empty{text-align:center;color:var(--muted);padding:40px 20px}.empty-big{padding:80px 20px 40px}.empty-icon{font-size:64px;line-height:1;margin-bottom:16px;opacity:.7}.empty-title{font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px}.empty-hint{font-size:14px;color:var(--muted)}.fab{position:fixed;bottom:calc(76px + env(safe-area-inset-bottom));right:16px;width:56px;height:56px;border-radius:28px;background:var(--primary);color:#fff;font-size:28px;border:0;box-shadow:0 4px 12px #00000026;z-index:40;cursor:pointer}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:360px}.print-page{max-width:760px;margin:0 auto}.sheet{background:#fff;padding:32px 40px;color:#000;font-family:Times New Roman,Georgia,serif;font-size:13px;line-height:1.45;border:1px solid var(--border);border-radius:8px}.sheet-head{display:flex;align-items:center;gap:20px;border-bottom:2px solid #000;padding-bottom:12px;margin-bottom:20px}.sheet-logo{max-height:64px;max-width:140px;object-fit:contain}.sheet-company{flex:1}.sheet-company-name{font-weight:700;font-size:16px;margin-bottom:4px}.sheet-title{text-align:center;font-size:18px;margin:20px 0 24px;font-weight:700}.sheet-subtitle{font-size:13px;font-weight:400;margin-top:6px;color:#444}.sheet-section{margin-bottom:20px}.sheet-section h3{font-size:14px;margin:0 0 8px;text-transform:uppercase;letter-spacing:.5px}.sheet-table{width:100%;border-collapse:collapse}.sheet-table th,.sheet-table td{text-align:left;padding:6px 8px;border:1px solid #999;vertical-align:top}.sheet-table th{width:200px;background:#f3f3f3;font-weight:400}.sheet-text{text-align:justify;margin:0}.sheet-signs{display:flex;gap:60px;margin-top:40px}.sheet-sign{flex:1}.sheet-sign-line{border-bottom:1px solid #000;height:26px;margin-bottom:4px}.sheet-sign-label{font-size:12px}.sheet-sign-label.muted{color:#777;font-size:11px}.sheet-return{margin-top:32px;border-top:1px dashed #999;padding-top:16px}@media print{body{background:#fff}.topbar,.nav,.fab,.no-print{display:none!important}.app{max-width:none;padding:0}.print-page{max-width:none}.sheet{border:0;border-radius:0;padding:0;margin:0}@page{size:A4;margin:18mm 16mm}}