/* Responsive Design Styles */

/* Base Mobile First Approach */
body {
    overflow-x: hidden;
}

/* Small devices (phones, 576px and down) */
@media (max-width: 576px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 10px 0;
    }
    
    .sidebar.collapsed {
        width: 100%;
    }
    
    .main-content {
        width: 100%;
        margin-left: 0;
        padding: 15px;
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 0;
        width: 100%;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
    
    .card-header {
        padding: 15px;
    }
    
    .table-responsive {
        border-radius: 15px;
        overflow: hidden;
    }
    
    .btn {
        padding: 8px 16px;
    }
    
    .form-control {
        padding: 10px;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 577px) and (max-width: 991px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        width: calc(100% - 200px);
        margin-left: 200px;
        padding: 20px;
    }
    
    .sidebar.collapsed {
        width: 70px;
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 70px;
        width: calc(100% - 70px);
    }
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1100;
    transition: all 0.3s ease;
}

.mobile-nav-toggle:hover {
    transform: scale(1.1);
}

@media (max-width: 576px) {
    .mobile-nav-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.4s ease;
        position: fixed;
        height: 100vh;
        top: 0;
        left: 0;
        z-index: 1050;
        width: 250px;
    }
    
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    }
    
    body.sidebar-open {
        overflow: hidden;
    }
}

/* Responsive Tables */
@media (max-width: 767px) {
    .responsive-table {
        display: block;
        width: 100%;
        overflow-x: auto;
    }
    
    .table-card {
        margin-bottom: 20px;
    }
}

/* Responsive Form Layout */
@media (max-width: 576px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
}

/* Responsive Gallery */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

@media (max-width: 576px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
}

/* Responsive Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

@media (max-width: 576px) {
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
}

/* Responsive Typography */
@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    .stat-card .stat-info .stat-number {
        font-size: 1.8rem;
    }
}