/* Modern Sidebar Styles */

/* CSS Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --sidebar-bg: #2c3e50;
    --topbar-bg: #34495e;
    --footer-bg: #1a252f;
    --card-shadow: 0 4px 20px rgba(0,0,0,0.08);
    --hover-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* Sidebar Styles */
.admin-sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    color: white;
    transition: all 0.3s ease;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
    display: none; /* Hidden for horizontal nav */
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

/* Sidebar logo and title styling */
.sidebar-header h5 {
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 0;
}

.sidebar-header small {
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
}

.sidebar-header img,
.sidebar-header .me-3 {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    margin-right: 0.75rem;
}

.sidebar-menu {
    padding: 1rem 0;
}

.menu-item {
    margin: 0.25rem 1rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}