/* Global Styles */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fc;
    color: #5a5c69;
}

/* Wrapper */
.wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
#sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background: linear-gradient(180deg, #4e73df 10%, #224abe 100%);
    color: #fff;
    transition: all 0.3s;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 999;
    overflow-y: auto;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

#sidebar.active {
    min-width: var(--sidebar-collapsed-width);
    max-width: var(--sidebar-collapsed-width);
}

#sidebar.active .sidebar-header h3,
#sidebar.active .menu-text {
    display: none;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#sidebar .sidebar-header h3 {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

#sidebar ul.components {
    padding: 20px 0;
}

#sidebar ul li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#sidebar ul li a {
    padding: 12px 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

#sidebar ul li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

#sidebar ul li a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

#sidebar ul li a .material-icons {
    margin-right: 10px;
    font-size: 20px;
}

#sidebar ul ul {
    padding-left: 0;
}

#sidebar ul ul li {
    border-bottom: none;
}

#sidebar ul ul li a {
    padding-left: 40px;
    font-size: 0.9rem;
}

#sidebar.active ul ul li a {
    padding-left: 20px;
}

/* Content */
#content {
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    transition: all 0.3s;
    margin-left: var(--sidebar-width);
    overflow-x: hidden;
    max-width: calc(100vw - var(--sidebar-width));
}

#sidebar.active ~ #content {
    margin-left: var(--sidebar-collapsed-width);
    width: calc(100% - var(--sidebar-collapsed-width));
    max-width: calc(100vw - var(--sidebar-collapsed-width));
}

/* Topbar */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 250px;
    z-index: 1000;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    background-color: #fff;
}

#sidebar.active ~ #content .navbar {
    left: 80px;
}

#content {
    padding-top: 70px;
}

#sidebarCollapse {
    border: none;
    background: transparent;
}

#sidebarCollapse:hover {
    background: #f8f9fc;
}

.notification-dropdown {
    min-width: 350px;
    max-height: 400px;
    overflow-y: auto;
}

.notification-dropdown .dropdown-item {
    white-space: normal;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e3e6f0;
}

/* Page Header */
.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    color: #5a5c69;
    font-weight: 600;
}

/* Stat Cards */
.stat-card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.stat-icon .material-icons {
    font-size: 32px;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
    padding: 0.75rem 1.25rem;
}

/* Tables */
.table {
    color: #5a5c69;
}

.table thead th {
    border-bottom: 2px solid #e3e6f0;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: #858796;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fc;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    border-radius: 0.35rem;
}

.btn .material-icons {
    font-size: 18px;
}

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

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

/* Auth Page */
.auth-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.auth-card {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-marker {
    position: absolute;
    left: -30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 12px;
    bottom: -12px;
    width: 2px;
    background: #e3e6f0;
}

.timeline-item:last-child::before {
    display: none;
}

/* Notifications */
.notification-item {
    background: white;
    border-radius: 5px;
}

.notification-item.unread {
    background: #f8f9fc;
    font-weight: 500;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }
    
    #sidebar.active {
        margin-left: 0;
    }
    
    #content {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
    }
    
    #sidebar.active ~ #content {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-success { border-color: var(--success-color) !important; }
.border-info { border-color: var(--info-color) !important; }
.border-warning { border-color: var(--warning-color) !important; }
.border-danger { border-color: var(--danger-color) !important; }