:root {
    --brand-red: #D50000;
    --black: #111111;
    --text: #333333;
    --muted: #777777;
    --border: #E5E5E5;
    --bg: #F7F7F7;
    --white: #FFFFFF;
    --success: #16A34A;
    --warning: #F59E0B;
    --danger: #DC2626;
    --info: #2563EB;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #D50000 0%, #990000 100%);
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(420px, 100%);
    background: var(--white);
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 24px 80px rgba(0,0,0,.22);
}

.login-logo {
    text-align: center;
    color: var(--brand-red);
    font-family: Georgia, serif;
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
}

.login-sub {
    text-align: center;
    letter-spacing: 8px;
    color: var(--black);
    font-size: 11px;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 14px;
}

input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    background: var(--white);
}

textarea {
    min-height: 110px;
    resize: vertical;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: 800;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: var(--brand-red);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--border);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-full {
    width: 100%;
}

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.alert-success {
    background: #DCFCE7;
    color: #166534;
}

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--black);
    color: var(--white);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.brand-logo {
    font-family: Georgia, serif;
    font-size: 34px;
    font-weight: 900;
    line-height: .9;
    letter-spacing: -2px;
}

.brand-sub {
    font-size: 10px;
    letter-spacing: 6px;
    margin-left: 4px;
    color: #f3f3f3;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav a {
    padding: 12px 14px;
    border-radius: 10px;
    color: #f1f1f1;
}

.nav a:hover {
    background: rgba(255,255,255,.08);
}

.sidebar-user {
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,.14);
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #dddddd;
    font-size: 13px;
}

.sidebar-user a {
    color: var(--brand-red);
    font-weight: 800;
}

.main {
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.topbar h1 {
    margin: 0;
    color: var(--black);
    font-size: 28px;
}

.topbar p {
    margin: 6px 0 0;
    color: var(--muted);
}

.grid {
    display: grid;
    gap: 16px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 8px 28px rgba(17,17,17,.04);
}

.metric-label {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 10px;
}

.metric-value {
    font-size: 34px;
    font-weight: 900;
    color: var(--black);
}

.toolbar {
    display: flex;
    gap: 12px;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 16px;
}

.toolbar .filters {
    display: flex;
    gap: 12px;
    align-items: end;
}

.table-wrap {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    background: #FAFAFA;
    color: var(--black);
    font-weight: 900;
}

tr:last-child td {
    border-bottom: 0;
}

.badge {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
}

.badge-brand { background: #FEE2E2; color: #B91C1C; }
.badge-success { background: #DCFCE7; color: #166534; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-info { background: #DBEAFE; color: #1D4ED8; }
.badge-muted { background: #F3F4F6; color: #374151; }

.capacity-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.progress {
    background: #F1F1F1;
    border-radius: 999px;
    height: 10px;
    overflow: hidden;
}

.progress span {
    display: block;
    height: 100%;
    background: var(--brand-red);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
    }
    .grid-3, .form-grid {
        grid-template-columns: 1fr;
    }
    .toolbar, .toolbar .filters {
        flex-direction: column;
        align-items: stretch;
    }
}