/* ============================================
   MODERN DASHBOARD DESIGN
   Dark/Light Mode Support
   Mobile Responsive
   ============================================ */

:root {
    /* Light Mode Colors */
    --primary-color: #7c3aed;
    --secondary-color: #fbbf24;
    --accent-color: #6366f1;
    
    /* Light Mode Backgrounds */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --bg-card: #ffffff;
    --bg-hover: #f8f9fa;
    
    /* Light Mode Text */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Light Mode Borders */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
    --gradient-secondary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-card: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

[data-theme="dark"] {
    /* Dark Mode Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    
    /* Dark Mode Text */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #1e293b;
    
    /* Dark Mode Borders */
    --border-color: #334155;
    --border-light: #475569;
    
    /* Dark Mode Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* ============================================
   DASHBOARD LAYOUT
   ============================================ */

.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
    transition: all 0.3s ease;
}

.dashboard-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: all 0.3s ease;
}

.dashboard-sidebar.collapsed {
    width: 80px;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.sidebar-toggle {
    background: var(--bg-hover);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-section-title {
    padding: 12px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    margin: 4px 12px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.menu-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.menu-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--secondary-color);
    border-radius: 0 4px 4px 0;
}

.menu-item-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.menu-item-badge {
    margin-left: auto;
    background: var(--secondary-color);
    color: var(--text-inverse);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-hover);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sidebar-user:hover {
    background: var(--border-color);
}

.sidebar-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.sidebar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.sidebar-user-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.sidebar-user-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   DASHBOARD MAIN CONTENT
   ============================================ */

.dashboard-main {
    flex: 1;
    margin-left: 280px;
    transition: all 0.3s ease;
}

.dashboard-sidebar.collapsed + .dashboard-main {
    margin-left: 80px;
}

.dashboard-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.dashboard-search {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.dashboard-search input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.dashboard-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.dashboard-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.dashboard-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-action-btn {
    width: 44px;
    height: 44px;
    background: var(--bg-hover);
    border: none;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.dashboard-action-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.dashboard-action-btn.has-notification::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
}

.dashboard-content {
    padding: 32px;
}

/* ============================================
   DASHBOARD WELCOME SECTION
   ============================================ */

.welcome-card {
    background: var(--gradient-primary);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
    color: white;
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.welcome-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.welcome-content {
    position: relative;
    z-index: 1;
}

.welcome-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.welcome-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 24px;
}

.welcome-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.welcome-btn {
    padding: 12px 28px;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.welcome-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.welcome-btn.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

/* ============================================
   STATS CARDS
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-card-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-card);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-card-trend {
    padding: 6px 12px;
    background: #dcfce7;
    color: #16a34a;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-card-trend.down {
    background: #fee2e2;
    color: #dc2626;
}

.stat-card-body h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-card-body p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */

.dashboard-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.section-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.section-actions {
    display: flex;
    gap: 12px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

/* ============================================
   ACTIVITY LIST
   ============================================ */

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.activity-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-hover);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: var(--border-light);
    transform: translateX(4px);
}

.activity-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-card);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.activity-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============================================
   QUICK ACTIONS GRID
   ============================================ */

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.quick-action-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.quick-action-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.quick-action-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.75rem;
    color: var(--primary-color);
}

.quick-action-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.quick-action-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
    }
    
    .dashboard-sidebar.active {
        transform: translateX(0);
    }
    
    .dashboard-main {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        padding: 16px 20px;
    }
    
    .dashboard-content {
        padding: 20px 16px;
    }
    
    .dashboard-search {
        max-width: 100%;
    }
    
    .welcome-card {
        padding: 28px 20px;
    }
    
    .welcome-content h2 {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-actions {
        gap: 8px;
    }
    
    .dashboard-action-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-actions {
        flex-direction: column;
    }
    
    .welcome-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-in {
    animation: slideIn 0.5s ease forwards;
}

/* Stagger animations for stat cards */
.stat-card:nth-child(1) {
    animation: fadeIn 0.5s ease 0.1s forwards;
    opacity: 0;
}

.stat-card:nth-child(2) {
    animation: fadeIn 0.5s ease 0.2s forwards;
    opacity: 0;
}

.stat-card:nth-child(3) {
    animation: fadeIn 0.5s ease 0.3s forwards;
    opacity: 0;
}

.stat-card:nth-child(4) {
    animation: fadeIn 0.5s ease 0.4s forwards;
    opacity: 0;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-primary { background: var(--bg-primary) !important; }
.bg-secondary { background: var(--bg-secondary) !important; }
.bg-card { background: var(--bg-card) !important; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }