:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#1565c0;--primary-soft:#eaf3ff;--danger:#c62828;--warning:#b26a00;--success:#147a3d;--shadow:0 8px 30px rgba(31,41,55,.06)}*{box-sizing:border-box}body{margin:0;font-family:Tahoma,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:#10233e;color:#dbe7f5;position:fixed;top:0;bottom:0;right:0;overflow:auto;z-index:20}.brand{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.08)}.brand b{display:block;font-size:22px;color:#fff}.brand small{display:block;margin-top:7px;color:#9fb2c9}.sidebar nav{padding:12px}.sidebar nav a{display:flex;gap:10px;align-items:center;padding:11px 13px;margin:4px 0;border-radius:10px;color:#c8d6e7}.sidebar nav a:hover,.sidebar nav a.active{background:#1d3f6d;color:#fff}.main{margin-right:250px;width:calc(100% - 250px)}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.menu-btn{display:none;border:0;background:transparent;font-size:24px}.user-box{display:flex;align-items:center;gap:10px}.user-box small{color:var(--muted)}.user-box a{color:var(--danger);font-size:12px}.content{padding:24px;max-width:1600px;margin:auto}.flash{padding:12px 14px;border-radius:10px;margin-bottom:16px;border:1px solid}.flash.success{background:#eefaf3;border-color:#bfe7ce;color:var(--success)}.flash.error{background:#fff0f0;border-color:#f3c6c6;color:var(--danger)}.flash.warning{background:#fff7e7;border-color:#f1d391;color:var(--warning)}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(6,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px}.card h3{margin:0 0 14px;font-size:16px}.kpi .label{color:var(--muted);font-size:12px}.kpi .value{font-size:24px;font-weight:700;margin-top:8px}.kpi .hint{font-size:11px;color:var(--muted);margin-top:5px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:16px}.toolbar .grow{flex:1}.btn{border:1px solid transparent;border-radius:9px;padding:9px 13px;cursor:pointer;font:inherit;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-primary{background:var(--primary);color:white}.btn-outline{background:white;border-color:#cbd5e1;color:#334155}.btn-danger{background:#fff0f0;border-color:#f4c7c7;color:var(--danger)}.btn-success{background:#eaf8ef;border-color:#c4e8d0;color:var(--success)}.btn-sm{padding:6px 9px;font-size:12px}.form-group{margin-bottom:14px}.form-group label{display:block;margin-bottom:6px;font-size:12px;color:#475569}.input,.select,.textarea{width:100%;border:1px solid #cfd8e3;border-radius:9px;padding:10px 11px;background:#fff;font:inherit;color:var(--text);outline:none}.textarea{min-height:90px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:#7aa7dc;box-shadow:0 0 0 3px #eaf3ff}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:760px}.table th,.table td{padding:11px 12px;text-align:right;border-bottom:1px solid #edf0f4;vertical-align:middle}.table th{background:#fafbfc;font-size:12px;color:#64748b;white-space:nowrap}.table tr:last-child td{border-bottom:0}.muted{color:var(--muted)}.badge{display:inline-flex;padding:4px 8px;border-radius:20px;font-size:11px;background:#eef2f7;color:#475569}.badge.success{background:#e9f8ef;color:#16753d}.badge.danger{background:#fff0f0;color:#ba2424}.badge.warning{background:#fff6e5;color:#9b5d00}.badge.info{background:#eaf3ff;color:#175ea9}.section-title{display:flex;align-items:center;justify-content:space-between;margin:8px 0 12px}.section-title h2{margin:0;font-size:18px}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.tabs a{padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:8px}.tabs a.active{background:var(--primary);border-color:var(--primary);color:#fff}.timeline{position:relative;padding-right:18px}.timeline:before{content:"";position:absolute;right:5px;top:0;bottom:0;width:2px;background:#e2e8f0}.timeline-item{position:relative;padding:0 14px 16px 0}.timeline-item:before{content:"";position:absolute;right:-17px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px #bcd2ec}.timeline-item strong{display:block}.timeline-item small{color:var(--muted)}.bar-row{display:grid;grid-template-columns:130px 1fr 90px;gap:10px;align-items:center;margin:10px 0}.bar{height:10px;background:#edf2f7;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:#2b72c4;border-radius:99px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#eef5ff,#f8fafc)}.auth-card{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}.auth-card h1{margin:0 0 6px}.auth-card p{margin:0 0 20px;color:var(--muted)}.stat-list{display:grid;gap:9px}.stat-list .row{display:flex;justify-content:space-between;border-bottom:1px dashed #e5e7eb;padding-bottom:8px}.stat-list .row:last-child{border-bottom:0}.low-stock{color:var(--danger);font-weight:700}.invoice-items{display:grid;gap:10px}.item-row{display:grid;grid-template-columns:2fr .8fr 1fr auto;gap:8px;align-items:end}.empty{padding:30px;text-align:center;color:var(--muted)}.filters{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:18px}.details-grid{display:grid;grid-template-columns:160px 1fr;gap:10px}.details-grid dt{color:var(--muted)}.details-grid dd{margin:0}.metric-note{font-size:11px;color:var(--muted)}.danger-text{color:var(--danger)}.success-text{color:var(--success)}
@media(max-width:1100px){.grid-6{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.sidebar{transform:translateX(105%);transition:.2s}.nav-open .sidebar{transform:none}.main{margin-right:0;width:100%}.menu-btn{display:inline-block}.grid-3,.grid-2,.grid-4,.grid-6{grid-template-columns:1fr}.content{padding:14px}.topbar{padding:0 14px}.user-box small{display:none}.item-row{grid-template-columns:1fr 1fr}.item-row>*:first-child{grid-column:1/-1}}@media print{.sidebar,.topbar,.no-print{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{box-shadow:none}}