* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Arial, sans-serif; background: #f4f6fa; color: #1f2937; }

/* ---- Auth pages ---- */
.auth-body { display: flex; align-items: center; justify-content: center; height: 100vh; background: #0b2545; }
.auth-card { background: #fff; padding: 40px; border-radius: 12px; width: 340px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.auth-card h1 { color: #0b2545; font-size: 22px; }
.auth-card .subtitle { color: #6b7280; font-size: 13px; margin-bottom: 20px; }
.auth-card label { display: block; font-size: 13px; margin: 12px 0 4px; color: #374151; }
.auth-card input { width: 100%; padding: 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; }
.auth-card button { width: 100%; margin-top: 20px; padding: 11px; background: #1e40af; color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; }
.auth-card button:hover { background: #1e3a8a; }
.alert-error { background: #fee2e2; color: #b91c1c; padding: 8px 12px; border-radius: 6px; font-size: 13px; margin-bottom: 10px; }

/* ---- App shell ---- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #0b2545; color: #fff; flex-shrink: 0; display: flex; flex-direction: column; }
.brand { padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.brand-name { font-size: 18px; font-weight: 700; }
.brand-tag { font-size: 11px; color: #93c5fd; margin-top: 2px; }
.user-box { padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.user-name { font-weight: 600; font-size: 14px; }
.user-role { font-size: 12px; color: #93c5fd; }
.sidebar nav { display: flex; flex-direction: column; padding: 10px 0; flex: 1; }
.nav-link { color: #cbd5e1; text-decoration: none; padding: 11px 18px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-link.active { background: #1e40af; color: #fff; }
.nav-link.logout { margin-top: auto; color: #fca5a5; }

.content { flex: 1; padding: 28px 32px; }
.page-header h1 { font-size: 22px; color: #0b2545; }
.page-header p { color: #6b7280; font-size: 13px; margin-top: 2px; margin-bottom: 24px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card { background: #fff; border-radius: 10px; padding: 18px; box-shadow: 0 1px 3px rgba(0,0,0,.08); border-left: 4px solid #1e40af; }
.stat-card.green { border-left-color: #16a34a; }
.stat-card.blue { border-left-color: #2563eb; }
.stat-card.red { border-left-color: #dc2626; }
.stat-label { font-size: 12px; color: #6b7280; margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 700; color: #111827; }

.quick-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.qa-card { background: #fff; border-radius: 10px; padding: 20px; text-align: center; text-decoration: none; color: #1e40af; font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.qa-card:hover { background: #eff6ff; }
.qa-card.warn { color: #b91c1c; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; }
table th { background: #f1f5f9; text-align: left; padding: 12px; font-size: 12px; color: #475569; text-transform: uppercase; }
table td { padding: 12px; border-top: 1px solid #f1f5f9; font-size: 14px; }
.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-green { background: #dcfce7; color: #16a34a; }
.badge-yellow { background: #fef9c3; color: #b45309; }
.badge-red { background: #fee2e2; color: #dc2626; }

/* ---- Buttons ---- */
.btn { display: inline-block; padding: 9px 18px; border-radius: 6px; font-size: 14px; font-weight: 600; text-decoration: none; border: none; cursor: pointer; }
.btn-primary { background: #1e40af; color: #fff; }
.btn-primary:hover { background: #1e3a8a; }
.btn-secondary { background: #e5e7eb; color: #374151; }
.btn-secondary:hover { background: #d1d5db; }

/* ---- Alerts ---- */
.alert { padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; }
.alert-success { background: #dcfce7; color: #15803d; }
.alert-error { background: #fee2e2; color: #b91c1c; }

/* ---- Filter bar ---- */
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; }
.filter-bar input[type="text"] { flex: 1; padding: 9px 12px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; }
.filter-bar select { padding: 9px 12px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; background: #fff; }

/* ---- Table action links ---- */
.actions-cell a { margin-right: 10px; text-decoration: none; font-size: 13px; font-weight: 600; }
.actions-cell a:last-child { margin-right: 0; }
.text-blue { color: #2563eb; }
.text-green { color: #16a34a; }
.text-purple { color: #7c3aed; }
.text-orange { color: #ea580c; }
.text-danger { color: #dc2626; }

/* ---- Forms ---- */
.form-card { background: #fff; border-radius: 10px; padding: 24px; max-width: 720px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: #374151; margin-bottom: 5px; font-weight: 600; }
.form-row input, .form-row select { width: 100%; padding: 9px 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; }
.form-row input:disabled { background: #f3f4f6; color: #9ca3af; }

/* ---- Modal ---- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-box { background: #fff; border-radius: 10px; padding: 24px; width: 380px; box-shadow: 0 20px 40px rgba(0,0,0,.2); }
.modal-box label { display: block; font-size: 13px; color: #374151; margin: 10px 0 5px; font-weight: 600; }
.modal-box input[type="number"], .modal-box input[type="text"] { width: 100%; padding: 9px 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }