:root{--primary:#2563eb;--ink:#172033;--muted:#718096;--bg:#f5f7fb;--side:#111827}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:linear-gradient(180deg,#111827,#172554);padding:22px 14px;color:white;z-index:1040}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;padding:0 10px 24px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#3b82f6}.sidebar .nav-link{display:flex;align-items:center;gap:12px;color:#aebbd0;padding:12px 14px;border-radius:11px;margin:2px 0;font-weight:600}.sidebar .nav-link:hover,.sidebar .nav-link.active{background:rgba(255,255,255,.11);color:#fff}.main{margin-left:250px;min-height:100vh}.topbar{height:88px;padding:16px 28px;background:white;border-bottom:1px solid #e9edf4;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:1020}.topbar h1{font-size:22px;margin:0;font-weight:750}.content{padding:26px}.card{border:0;border-radius:16px;box-shadow:0 5px 24px rgba(23,32,51,.06)}.card-header{background:transparent;border:0;padding:20px 22px 0;font-weight:750}.card-body{padding:22px}.metric{display:flex;justify-content:space-between;align-items:flex-start}.metric-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:21px}.metric h3{font-size:25px;margin:10px 0 0}.table{vertical-align:middle}.table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#718096;border-bottom-color:#e8edf4}.btn{border-radius:10px;font-weight:650}.form-control,.form-select{border-radius:10px;padding:.65rem .8rem;border-color:#dce3ed}.form-control:focus,.form-select:focus{box-shadow:0 0 0 3px rgba(37,99,235,.12)}.badge{padding:.45em .7em}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top right,#dbeafe,transparent 35%),#f7f9fc;padding:20px}.login-card{max-width:430px;width:100%}.invoice{max-width:850px;margin:auto}.line-total{font-weight:700}.review-box{background:#f8fafc;border:1px solid #e5eaf1;border-radius:14px;padding:16px}@media(max-width:991px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none;box-shadow:10px 0 30px #0003}.main{margin:0}.content{padding:16px}.topbar{padding:14px 16px}.table-responsive{border-radius:12px}}
@media print{.sidebar,.topbar,.no-print{display:none!important}.main{margin:0}.content{padding:0}.card{box-shadow:none}.invoice{max-width:none}}