:root{--navy:#0b2545;--blue:#134074;--light:#f5f7fb;--line:#e6eaf0;--text:#1f2937;--muted:#6b7280;--green:#0f766e;--red:#b91c1c;--yellow:#92400e}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--light);color:var(--text)} a{color:var(--blue);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:245px;background:var(--navy);color:#fff;padding:22px 16px;position:fixed;left:0;top:0;bottom:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.brand-logo{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:800}.brand span{display:block;color:#c7d2fe;font-size:12px}.sidebar nav a{display:block;padding:10px 12px;margin:4px 0;border-radius:10px;color:#dbeafe}.sidebar nav a:hover{background:rgba(255,255,255,.12);color:#fff}.main{margin-left:245px;width:calc(100% - 245px)}.topbar{height:68px;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:5}.topbar small{display:block;color:var(--muted)}.userbox{display:flex;gap:12px;align-items:center}.content{padding:24px}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-title h1{font-size:26px;margin:0}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:18px;box-shadow:0 6px 20px rgba(15,23,42,.04)}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.stat span{display:block;color:var(--muted);font-size:13px}.stat strong{display:block;font-size:26px;margin-top:8px}table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafafa}tr:last-child td{border-bottom:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:10px 11px;border:1px solid #cfd8e3;border-radius:10px;font:inherit;background:#fff}.field textarea{min-height:90px}.full{grid-column:1/-1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 13px;border-radius:10px;border:1px solid transparent;background:var(--blue);color:#fff;cursor:pointer;font-weight:600;font-size:14px}.btn:hover{filter:brightness(.96)}.btn-light{background:#fff;color:var(--blue);border-color:var(--line)}.btn-green{background:var(--green)}.btn-red{background:var(--red)}.btn-small{padding:6px 9px;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px;border:1px solid}.alert-success{background:#ecfdf5;color:#065f46;border-color:#a7f3d0}.alert-error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.badge{padding:4px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.badge.paid{background:#dcfce7;color:#166534}.badge.late,.badge.overdue{background:#fee2e2;color:#991b1b}.badge.partial,.badge.pending{background:#fef3c7;color:#92400e}.muted{color:var(--muted)}.right{text-align:right}.invoice-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px}.invoice-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:30px}.invoice-title{font-size:34px;color:var(--navy);font-weight:800}.totals{max-width:360px;margin-left:auto}.totals td{padding:8px 0}.print-only{display:none}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.main{margin-left:0;width:100%}.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.topbar{position:static}}@media print{.sidebar,.topbar,.actions,.no-print{display:none!important}.main{margin:0;width:100%}.content{padding:0}.invoice-box{border:0;border-radius:0}.print-only{display:block}body{background:#fff}}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn.small{padding:6px 9px;font-size:12px;border-radius:8px}
.actions.compact{gap:6px;align-items:center;flex-wrap:nowrap}
.actions.compact form{display:inline-flex;margin:0}
.muted-row{opacity:.62;background:#fafafa;text-decoration:none}
.block{display:block;margin-top:4px;color:var(--muted)}
.alert-info{background:#eff6ff;color:#1e40af;border-color:#bfdbfe}
.badge.cancelled{background:#e5e7eb;color:#374151}