/* Modern Dashboard with Sidebar Navigation */

:root {
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 70px;
    --transition-speed: 0.3s;
    
    /* Light theme colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-sidebar: #1a1d23;
    --bg-sidebar-hover: #2a2d33;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-sidebar: #c9d1d9;
    --text-sidebar-muted: #8b949e;
    --border-color: #dee2e6;
    --accent-primary: #4f46e5;
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;
    --accent-info: #3b82f6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f111a;
    --bg-secondary: #1a1c26;
    --bg-tertiary: #2a2d3a;
    --bg-sidebar: #0c0e15;
    --bg-sidebar-hover: #1a1c26;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --border-color: #2a2d3a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Layout Structure */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: transform var(--transition-speed), width var(--transition-speed);
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

/* Floating expand button when collapsed */
.sidebar-expand-float {
    position: fixed;
    left: 20px;
    top: 20px;
    z-index: 1001;
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed);
}

.sidebar-expand-float:hover {
    background: var(--bg-sidebar-hover);
    transform: scale(1.1);
}

body:has(.sidebar.collapsed) .sidebar-expand-float,
.dashboard-container:has(.sidebar.collapsed) .sidebar-expand-float {
    display: flex;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    min-height: 80px;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 1rem;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-sidebar);
    font-size: 1.25rem;
    font-weight: 600;
    transition: opacity var(--transition-speed);
}

.sidebar-logo svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sidebar-logo-text {
    opacity: 1;
    transition: opacity var(--transition-speed);
}

.sidebar.collapsed .sidebar-logo-text {
    opacity: 0;
    width: 0;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-sidebar);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background-color var(--transition-speed);
    position: absolute;
    right: 1rem;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background-color: var(--bg-sidebar-hover);
}

/* Toggle button when collapsed */
.sidebar.collapsed .sidebar-toggle {
    position: absolute;
    right: 50%;
    transform: translateX(50%);
    margin: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1rem 0;
}

/* Always visible expand button in collapsed sidebar */
.sidebar-expand-btn {
    display: none;
    width: 100%;
    padding: 1rem;
    background: var(--bg-sidebar-hover);
    border: none;
    color: var(--text-sidebar);
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.sidebar.collapsed .sidebar-expand-btn {
    display: block;
}

.sidebar-expand-btn:hover {
    background-color: var(--accent-primary);
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    color: var(--text-sidebar-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 1;
    transition: opacity var(--transition-speed);
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
}

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-sidebar);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all var(--transition-speed);
    position: relative;
}

.nav-link:hover {
    background-color: var(--bg-sidebar-hover);
    color: var(--accent-primary);
}

.nav-link.active {
    background-color: var(--accent-primary);
    color: white;
}

.nav-link i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-link-text {
    opacity: 1;
    transition: opacity var(--transition-speed);
}

.sidebar.collapsed .nav-link-text {
    opacity: 0;
    width: 0;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
}

/* Badge */
.nav-badge {
    margin-left: auto;
    background-color: var(--accent-danger);
    color: white;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.sidebar.collapsed .nav-badge {
    display: none;
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width));
    transition: margin-left var(--transition-speed), width var(--transition-speed);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
}

/* Top Header */
.top-header {
    background-color: var(--bg-primary);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-speed);
}

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

.notification-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background-color: var(--accent-danger);
    border-radius: 50%;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-info {
    text-align: right;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Content Area */
.content-wrapper {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Cards */
.modern-card {
    background-color: var(--bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-speed);
    margin-bottom: 1rem;
}

.modern-card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.card-body {
    padding: 1.5rem;
}

/* Content sections */
.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .sidebar-toggle {
        display: none;
    }
}

/* Button Styles */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.btn-primary {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Hide original navbar */
.navbar-modern {
    display: none;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: slideIn 0.3s ease-out;
}