:root {
    --primary-color: #0d6efd;
    --bg-color: #f4f6f9;
    --sidebar-bg: #212529;
    --sidebar-color: #ffffff;
}

body {
    background-color: var(--bg-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

.auth-card {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Main Layout */
.wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

#sidebar {
    min-width: 250px;
    max-width: 250px;
    min-height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-color);
    transition: all 0.3s;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: rgba(0,0,0,0.1);
}

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

#sidebar ul li a {
    padding: 10px 20px;
    font-size: 1.1em;
    display: block;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
}

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

#content {
    width: 100%;
    padding: 20px;
    min-height: 100vh;
    transition: all 0.3s;
}

.navbar {
    padding: 15px 10px;
    background: #fff;
    border: none;
    border-radius: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

/* Sidebar Collapse State */
#sidebar.active {
    min-width: 80px;
    max-width: 80px;
}
#sidebar.active .sidebar-header h3 {
    font-size: 1.2rem;
    text-align: center;
}
#sidebar.active .sidebar-text {
    display: none;
}
#sidebar.active ul li a {
    text-align: center;
    padding: 15px 10px;
}
#sidebar.active ul li a i {
    margin-right: 0 !important;
    font-size: 1.3rem;
}
#sidebar.active .mt-auto .btn {
    text-align: center !important;
    padding: 10px;
}
#sidebar.active .mt-auto .btn i {
    margin-right: 0 !important;
    font-size: 1.3rem;
}

/* Mobile Navigation & Layout overrides */
@media (max-width: 768px) {
    .wrapper {
        display: block;
    }
    #content {
        padding: 10px;
        margin-bottom: 75px; /* Spacing for bottom navbar */
    }
    .card-body {
        padding: 12px;
    }
}

/* Mobile Bottom Navbar */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 65px;
    background: rgba(33, 37, 41, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1050;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.75rem;
    transition: all 0.2s ease-in-out;
    width: 20%;
    height: 100%;
}

.mobile-nav-item i {
    font-size: 1.3rem;
    margin-bottom: 3px;
}

.mobile-nav-item:hover, .mobile-nav-item.active {
    color: var(--primary-color);
    font-weight: bold;
}

/* Mobile responsive card layouts */
.mobile-card-list {
    display: none;
}

@media (max-width: 768px) {
    .desktop-table-view {
        display: none !important;
    }
    .mobile-card-list {
        display: block !important;
    }
    .mobile-card {
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        margin-bottom: 12px;
        padding: 15px;
        border: 1px solid rgba(0,0,0,0.05);
        transition: transform 0.2s;
    }
    .mobile-card:active {
        transform: scale(0.98);
    }
}