/* ═══════════════════════════════════════════════════════════
   Ad MCP Admin — Premium Dark Theme
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #161822;
    --bg-card: #1c1e2e;
    --bg-card-hover: #232540;
    --bg-input: #252840;
    --bg-sidebar: #0d0e14;
    --border: #2a2d42;
    --border-light: #353858;
    --text-primary: #e8eaf0;
    --text-secondary: #9a9cb8;
    --text-muted: #6b6d85;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --danger-hover: #ef4444;
    --gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-2: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-3: linear-gradient(135deg, #f59e0b, #ef4444);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Sidebar ── */
.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon { font-size: 1.5rem; }

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.version {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 2px 8px;
    border-radius: 20px;
}

.nav-links {
    list-style: none;
    padding: 12px 8px;
    flex: 1;
}

.nav-links li { margin-bottom: 2px; }

.nav-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-links a:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-links a.active {
    background: var(--accent-glow);
    color: var(--accent-hover);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-icon { font-size: 1.1rem; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

/* ── Content ── */
.content {
    flex: 1;
    margin-left: 240px;
    padding: 32px;
    max-width: 1200px;
}

/* ── Page Header ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: inline-block;
    transition: var(--transition);
}

.back-link:hover { color: var(--accent-hover); }

.header-actions {
    display: flex;
    gap: 8px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    width: 100%;
    justify-content: center;
}

.btn-outline:hover {
    background: var(--bg-card);
    color: var(--accent-hover);
    border-color: var(--accent);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

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

.stat-warning { border-left: 3px solid var(--warning); }
.stat-success { border-left: 3px solid var(--success); }

.stat-icon { font-size: 2rem; }

.stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.card:hover {
    border-color: var(--border-light);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* ── Grid Layouts ── */
.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-full { grid-column: 1 / -1; }

/* ── Bar Chart ── */
.bar-chart { display: flex; flex-direction: column; gap: 10px; }

.bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bar-label {
    min-width: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.bar-track {
    flex: 1;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 4px;
    min-width: 4px;
    transition: width 0.5s ease;
}

.bar-fill-alt { background: var(--gradient-2); }

.bar-value {
    min-width: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── Table ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(42, 45, 66, 0.5);
}

.clickable-row {
    cursor: pointer;
    transition: var(--transition);
}

.clickable-row:hover {
    background: var(--bg-card-hover);
}

.cell-title { font-weight: 500; }
.cell-date { color: var(--text-muted); font-size: 0.85rem; }

/* ── Badge ── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--accent-glow);
    color: var(--accent-hover);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-success {
    background: rgba(52, 211, 153, 0.14);
    color: var(--success);
    border-color: rgba(52, 211, 153, 0.3);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.14);
    color: var(--warning);
    border-color: rgba(251, 191, 36, 0.3);
}

.badge-danger {
    background: rgba(248, 113, 113, 0.14);
    color: var(--danger);
    border-color: rgba(248, 113, 113, 0.3);
}

/* ── Filter Bar ── */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 12px;
}

.filter-form {
    display: flex;
    gap: 8px;
    flex: 1;
}

.input-search,
.input-select {
    padding: 10px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
}

.input-search { flex: 1; min-width: 200px; }

.input-search:focus,
.input-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.result-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* ── Product Grid ── */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}

.product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.product-owner {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.product-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
}

.meta-item {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.tag-more {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: rgba(99, 102, 241, 0.2);
}

/* ── Detail ── */
.detail-list {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 8px 16px;
}

.detail-list dt {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.detail-list dd {
    font-size: 0.9rem;
}

.detail-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    white-space: pre-line;
}

.meta-info { background: var(--bg-secondary); }

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.meta-row code {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ── Form ── */
.form-card { max-width: 800px; }

.form-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type { border-bottom: none; }

.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.required { color: var(--danger); }

.form-group input,
.form-group textarea,
.form-group select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state h2 { margin-bottom: 8px; }
.empty-state p { margin-bottom: 24px; }

/* ── Code Block & MCP Guide ── */
.code-block {
    background: #000000; /* 완전 검정 배경으로 대비 극대화 */
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
    color: #00ff00; /* 코딩 느낌의 밝은 초록색 */
    margin-bottom: 12px;
}

.mcp-info p {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.tab-container {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.tab-btn {
    padding: 10px 20px;
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.tab-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.guide-content {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.guide-content h4 {
    color: var(--accent-hover);
    margin: 20px 0 10px 0;
    font-size: 1.1rem;
}

.guide-content ul, .guide-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.guide-content li {
    margin-bottom: 8px;
}

.security-warning {
    margin-top: 24px;
    padding: 20px;
    background: rgba(248, 113, 113, 0.1);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
}

.security-warning h4 {
    color: var(--danger);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .logo-text, .nav-links a span:not(.nav-icon), .version { display: none; }
    .nav-links a { justify-content: center; padding: 12px; }
    .content { margin-left: 60px; padding: 20px; }
    .grid-2col, .detail-grid, .form-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: 1fr; }
    .filter-form { flex-wrap: wrap; }
    .page-header { flex-direction: column; gap: 12px; }
}