/* Responsive Design */

/* Large Tablets and Desktop */
@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-header {
        padding: 1rem;
    }

    .sidebar-logo {
        width: 80px;
    }

    .sidebar-nav {
        padding: 0.5rem 0;
    }

    .sidebar-nav a {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .main-content {
        min-height: calc(100vh - 80px);
    }

    .app-header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .app-main {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .login-card {
        padding: 2rem;
        margin: 1rem;
    }

    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem;
    }

    .logo {
        width: 60px;
        height: 60px;
    }

    .login-header h2 {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .table-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .table-actions .btn {
        width: 100%;
    }

    .user-profile-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .data-table {
        font-size: 0.75rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }

    .stat-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* Sidebar Toggle for Mobile */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-4);
    left: var(--spacing-4);
    z-index: 1001;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-2) var(--spacing-3);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    font-size: var(--font-size-lg);
}

.sidebar-toggle:hover {
    background: var(--primary-dark);
}

/* Sidebar collapsed state */
.sidebar.collapsed {
    width: 0;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-nav {
    opacity: 0;
    pointer-events: none;
}

/* Main content with sidebar toggle */
.main-content.sidebar-expanded {
    margin-left: 0;
}

/* Enhanced Mobile Styles */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        height: 100vh;
        z-index: 1000;
        width: 280px;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.active {
        left: 0;
    }

    .sidebar.active .sidebar-nav {
        opacity: 1;
        pointer-events: all;
    }

    .main-content {
        margin-left: 0;
        padding: var(--spacing-4);
    }

    .app-header {
        padding: var(--spacing-3) var(--spacing-4);
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: stretch;
    }

    .page-title {
        font-size: var(--font-size-lg);
        text-align: center;
    }

    .header-actions {
        justify-content: center;
        width: 100%;
    }

    .user-profile-header {
        width: 100%;
        justify-content: center;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .login-wrapper {
        padding: 0.5rem;
    }

    .login-card {
        padding: 1.5rem;
        max-width: 500px;
    }
}

/* Print Styles */
@media print {

    .sidebar,
    .app-header,
    .btn,
    .modal-overlay {
        display: none !important;
    }

    .main-content {
        margin: 0;
        padding: 0;
    }

    .app-main {
        padding: 0;
    }

    .table-container {
        box-shadow: none;
        border: 1px solid #000;
    }

    .data-table {
        border-collapse: collapse;
    }

    .data-table th,
    .data-table td {
        border: 1px solid #000;
        padding: 0.5rem;
    }
}