:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #10B981;
    --dark-bg: #111827;
    --dark-card: #1F2937;
    --light-bg: #F3F4F6;
    --light-card: #FFFFFF;
    --text-dark: #1F2937;
    --text-light: #F9FAFB;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    
    --sidebar-width: 250px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Glassmorphism utilities */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(31, 41, 55, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--light-card);
    border-right: 1px solid var(--border-color);
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar .logo-container {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar .logo-container h4 {
    margin: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.sidebar-nav {
    padding: 1rem 0;
    list-style: none;
    margin: 0;
}

.sidebar-nav .nav-item {
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.2);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
    transition: all 0.3s ease;
}

/* Navbar */
.top-navbar {
    background-color: var(--light-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* Cards */
.omni-card {
    background: var(--light-card);
    border-radius: 1rem;
    border: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.omni-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.omni-card-header {
    padding: 1.5rem 1.5rem 0 1.5rem;
    border-bottom: none;
    background: transparent;
}

.omni-card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-card {
    display: flex;
    align-items: center;
    padding: 1.5rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-right: 1rem;
}

.stat-icon.primary { background-color: rgba(79, 70, 229, 0.1); color: var(--primary-color); }
.stat-icon.success { background-color: rgba(16, 185, 129, 0.1); color: var(--secondary-color); }
.stat-icon.warning { background-color: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.stat-icon.danger { background-color: rgba(239, 68, 68, 0.1); color: #EF4444; }

.stat-details h6 {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-details h3 {
    margin: 0.25rem 0 0 0;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.5rem;
}

/* Tables */
.table-responsive {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table th {
    background-color: #F9FAFB;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79,70,229,0.2) 0%, rgba(255,255,255,0) 70%);
    top: -200px;
    left: -200px;
    border-radius: 50%;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 1.5rem;
    position: relative;
    z-index: 1;
}

/* Badges */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
    border-radius: 0.375rem;
}

.badge-success { background-color: rgba(16, 185, 129, 0.1); color: var(--secondary-color); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.badge-danger { background-color: rgba(239, 68, 68, 0.1); color: #EF4444; }
.badge-info { background-color: rgba(59, 130, 246, 0.1); color: #3B82F6; }

/* Timeline */
.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.25rem;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0.75rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--primary-color);
    top: 0.25rem;
}

.timeline-content h6 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
}

.timeline-content p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
}