:root {
    --primary: #c62828;
    --primary-strong: #a61f1f;
    --on-primary: #ffffff;
    --background: #ffffff;
    --background-tint: #fff3f2;
    --surface: #ffffff;
    --surface-muted: rgba(0, 0, 0, 0.04);
    --text-primary: #000000;
    --text-secondary: #3c3c43;
    --border: rgba(0, 0, 0, 0.12);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    --radius: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #ff453a;
        --primary-strong: #ff2f22;
        --background: #000000;
        --background-tint: #111114;
        --surface: #1c1c1e;
        --surface-muted: rgba(255, 255, 255, 0.06);
        --text-primary: #ffffff;
        --text-secondary: #ebebf5;
        --border: rgba(255, 255, 255, 0.18);
        --shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Space Grotesk', 'Trebuchet MS', sans-serif;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-tint) 70%);
    color: var(--text-primary);
    min-height: 100vh;
}

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

.admin-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px clamp(20px, 6vw, 80px) 60px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.admin-brand {
    font-family: 'Fraunces', 'Times New Roman', serif;
    font-size: 1.8rem;
}

.admin-nav {
    display: flex;
    gap: 18px;
    align-items: center;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.admin-nav a {
    opacity: 0.75;
}

.admin-nav a.active,
.admin-nav a:hover {
    opacity: 1;
    color: var(--primary);
}

.admin-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.admin-grid {
    display: grid;
    gap: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--surface);
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 600;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.table th,
.table td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.table th {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    background: var(--surface-muted);
}

.badge.primary {
    background: rgba(198, 40, 40, 0.16);
    color: var(--primary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
}

.button.primary {
    background: var(--primary);
    border-color: transparent;
    color: var(--on-primary);
}

.button.primary:hover {
    background: var(--primary-strong);
}

.button.danger {
    background: rgba(198, 40, 40, 0.12);
    color: var(--primary);
    border-color: rgba(198, 40, 40, 0.3);
}

.button.danger:hover {
    background: rgba(198, 40, 40, 0.2);
}

.form-stack {
    display: grid;
    gap: 14px;
}

.form-stack label {
    display: grid;
    gap: 8px;
    font-weight: 600;
}

.form-stack input {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
}

.form-stack select {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
}

.flash {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    background: rgba(198, 40, 40, 0.12);
    color: var(--primary);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--surface-muted);
    font-size: 0.75rem;
}

.card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.admin-forms-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

@media (max-width: 900px) {
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .admin-nav {
        flex-wrap: wrap;
    }
}