/* =============================================================================
 * Tigerdarts Admin - Layout
 * ============================================================================= */

body {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: 56px 1fr;
    grid-template-areas:
        "topbar topbar"
        "sidebar content";
}

/* ====== Topbar ====== */
.topbar {
    grid-area: topbar;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar .brand-icon {
    font-size: 26px;
    filter: drop-shadow(0 0 8px var(--accent));
}

.brand-text {
    line-height: 1.1;
}

.brand-name {
    font-family: 'Cinzel', serif;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent-2);
}

.brand-text small {
    display: block;
    color: var(--text-mute);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 2px;
}

.topbar-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

.user-chip {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-family: 'IBM Plex Mono', monospace;
    margin-right: 6px;
}

.icon-btn {
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.icon-btn:hover {
    color: var(--accent-2);
    border-color: var(--accent);
    background: var(--bg-3);
}

/* ====== Sidebar ====== */
.sidebar {
    grid-area: sidebar;
    background: var(--bg-1);
    border-right: 1px solid var(--border);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 11px 14px;
    border-radius: 6px;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background: var(--bg-2);
    color: var(--text);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.2) 0%, rgba(139, 92, 246, 0.05) 100%);
    color: var(--accent-2);
    border-left: 3px solid var(--accent);
    padding-left: 11px;
}

/* ====== Content ====== */
.content {
    grid-area: content;
    overflow-y: auto;
    padding: 28px 32px;
    background: var(--bg-0);
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-family: 'Cinzel', serif;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
}

.page-header .subtitle {
    color: var(--text-mute);
    font-size: 14px;
}

/* ====== Cards ====== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.03em;
}

.card.placeholder {
    color: var(--text-mute);
    text-align: center;
    padding: 48px 24px;
    font-style: italic;
}

/* ====== Stats Grid ====== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.stat-card .label {
    color: var(--text-mute);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.stat-card .value {
    font-family: 'Cinzel', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-2);
    line-height: 1;
}

/* ====== Listen / Tabellen ====== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    color: var(--text-mute);
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

.data-table td {
    padding: 12px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.data-table tr:hover td {
    background: var(--bg-2);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 100px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    font-family: 'IBM Plex Mono', monospace;
}

.badge.aktiv { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge.demo { background: rgba(245, 158, 11, 0.15); color: var(--gold-2); }
.badge.gesperrt { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge.inaktiv { background: rgba(154, 145, 176, 0.15); color: var(--text-mute); }

/* ====== Lizenz-Banner ====== */
.lizenz-banner {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0.04) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 18px;
    font-size: 13px;
    color: var(--gold-2);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ====== Modal ====== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    width: 100%;
    max-width: 440px;
    margin: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 17px;
    letter-spacing: 0.03em;
}

/* ====== Forms ====== */
.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    color: var(--text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    font-weight: 600;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    background: var(--bg-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 11px 13px;
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-3);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.field .hint {
    color: var(--text-mute);
    font-size: 11px;
    margin-top: 4px;
    display: block;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-dim) 0%, var(--accent) 100%);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 6px;
    font-family: inherit;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 13px;
    line-height: 1.5;
    display: none;
}

.alert.show {
    display: block;
}

.alert.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

[data-theme="light"] .alert.error { color: #b91c1c; }

.alert.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

[data-theme="light"] .alert.success { color: #065f46; }

/* ====== Loading ====== */
.loading {
    color: var(--text-mute);
    text-align: center;
    padding: 30px;
    font-size: 13px;
    font-style: italic;
}

/* ====== Health-Info ====== */
.kv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 24px;
    font-size: 13px;
}

.kv-grid .k {
    color: var(--text-mute);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.kv-grid .v {
    color: var(--text);
    font-weight: 500;
}

/* ====== Responsive ====== */
@media (max-width: 768px) {
    body {
        grid-template-columns: 1fr;
        grid-template-rows: 56px auto 1fr;
        grid-template-areas:
            "topbar"
            "sidebar"
            "content";
    }
    .sidebar {
        flex-direction: row;
        overflow-x: auto;
        padding: 8px;
        gap: 4px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .nav-item {
        white-space: nowrap;
        flex-shrink: 0;
        padding: 8px 12px;
        font-size: 12px;
    }
    .content {
        padding: 18px 16px;
    }
    .stats-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    .user-chip {
        display: none;
    }
}