/* Variables */
:root {
    --sidebar-width: 240px;
    --header-height: 60px;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-sidebar: #1a1a2e;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-sidebar: #a0a0a0;
    --text-sidebar-active: #ffffff;
    --border-color: #e9ecef;
    --accent-color: #4f46e5;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

/* Admin Layout */
.admin-wrapper {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-sidebar-active);
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-sidebar);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.sidebar-nav .nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-sidebar-active);
}

.sidebar-nav .nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-sidebar-active);
}

.sidebar-nav .nav-item i {
    font-size: 18px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-sidebar);
    font-size: 13px;
    overflow: hidden;
}

.user-info span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-btn {
    color: var(--text-sidebar);
    padding: 8px;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-sidebar-active);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-header {
    height: var(--header-height);
    padding: 0 32px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.content-body {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
}

/* Auth Layout */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* Dashboard */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--accent-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Activity */
.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.activity-text {
    color: var(--text-primary);
}

.activity-time {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Info List */
.info-list {
    display: flex;
    flex-direction: column;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Buttons */
.btn-icon {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Loading */
.loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* HTMX */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: block;
}

.htmx-request.htmx-indicator {
    display: block;
}