/* ========================================
   PLAYHEM CRM Admin — Design System
   Dark mode, blue-toned palette
   ======================================== */

:root {
    --bg-page: #0a0e1a;
    --bg-surface: #111827;
    --bg-elevated: #1e293b;
    --bg-input: #0f172a;
    --border: #1e3a5f;
    --border-subtle: rgba(59, 130, 246, 0.15);
    --border-hover: rgba(59, 130, 246, 0.3);
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.15);
    --success: #22c55e;
    --success-soft: rgba(34, 197, 94, 0.15);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.15);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: var(--font);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
}
.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
}
.sidebar-logo i { width: 24px; height: 24px; }
.sidebar-nav {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
    margin-bottom: 2px;
}
.nav-item:hover {
    background: var(--accent-soft);
    color: var(--text-primary);
}
.nav-item.active {
    background: var(--accent);
    color: #fff;
}
.nav-item i { width: 20px; height: 20px; flex-shrink: 0; }
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-subtle);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.sidebar-user i { width: 18px; height: 18px; }
.logout-link { color: var(--text-muted); font-size: 0.85rem; }
.logout-link:hover { color: var(--danger); background: var(--danger-soft); }

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}
.topbar {
    height: var(--topbar-height);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    position: sticky;
    top: 0;
    z-index: 50;
}
.page-title {
    font-size: 1.2rem;
    font-weight: 600;
    flex: 1;
}
.topbar-right { color: var(--text-secondary); font-size: 0.85rem; }
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 4px;
}
.hamburger i { width: 24px; height: 24px; }
.content-area { padding: 24px; }

/* ---- Flash Messages ---- */
.flash {
    margin: 16px 24px 0;
    padding: 12px 16px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}
.flash-success { background: var(--success-soft); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.flash-error { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.flash-warning { background: var(--warning-soft); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
}

/* ---- Cards (Glass morphism) ---- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---- Stat Cards ---- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(10px);
}
.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}
.stat-card .stat-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }

/* ---- Tables ---- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
thead th {
    background: var(--bg-elevated);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
tbody td {
    padding: 12px 16px;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-primary);
}
tbody tr:hover { background: rgba(59, 130, 246, 0.05); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--accent-soft); color: var(--accent); }
.badge-muted { background: rgba(100,116,139,0.15); color: var(--text-muted); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn i { width: 16px; height: 16px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #16a34a; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-help {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: border-color var(--transition);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-textarea.code {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    min-height: 300px;
}
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}
.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}
.form-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-subtle);
}
.form-section:last-child { border-bottom: none; padding-bottom: 0; }
.form-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
}

/* ---- Toggle Switch ---- */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 999px;
    transition: all var(--transition);
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition);
}
.toggle input:checked + .toggle-slider {
    background: var(--accent);
    border-color: var(--accent);
}
.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: #fff;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}
.modal-title { font-size: 1.05rem; font-weight: 600; }
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 1.3rem;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}
.modal-iframe {
    width: 100%;
    height: 500px;
    border: none;
    background: #fff;
    border-radius: var(--radius);
}

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
    justify-content: center;
}
.pagination a,
.pagination span {
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.pagination a:hover { background: var(--bg-elevated); color: var(--text-primary); }
.pagination .active { background: var(--accent); color: #fff; }

/* ---- Filters Bar ---- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    align-items: flex-end;
}
.filters-bar .form-group { margin-bottom: 0; }
.filter-item { min-width: 160px; }
.filter-item .form-select,
.filter-item .form-input { font-size: 0.85rem; padding: 7px 10px; }

/* ---- Chart container ---- */
.chart-container {
    position: relative;
    width: 100%;
    height: 250px;
}
.chart-container canvas { width: 100% !important; height: 100% !important; }

/* ---- Two-column layout ---- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ---- Tag chips ---- */
.tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 2px;
}

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-state i { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 0.9rem; }

/* ---- Condition row (custom campaign type) ---- */
.condition-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}
.condition-row .form-select,
.condition-row .form-input { font-size: 0.85rem; padding: 7px 10px; }
.condition-row .remove-condition {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

/* ---- Login Page ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
}
.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo i { color: var(--accent); width: 40px; height: 40px; }
.login-logo h2 {
    font-size: 1.4rem;
    margin-top: 10px;
    color: var(--text-primary);
}
.login-logo p { color: var(--text-muted); font-size: 0.85rem; }
.login-error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}
.login-btn {
    width: 100%;
    padding: 11px;
    font-size: 0.95rem;
    justify-content: center;
}

/* ---- Sidebar overlay (mobile) ---- */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    display: none;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.active { display: block; }
    .main-content { margin-left: 0; }
    .hamburger { display: block; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .filters-bar { flex-direction: column; }
    .filter-item { min-width: 100%; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .content-area { padding: 16px; }
}

/* ---- Spinner for loading states ---- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Search box ---- */
.search-box {
    position: relative;
}
.search-box .form-input {
    padding-left: 36px;
}
.search-box i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}