/* Global Styles for Photo Album App */

body {
    background-color: var(--bg-default);
    color: var(--text-primary);
    margin: 0;
    font-family: 'Roboto', sans-serif;
}

.app-layout {
    display: flex;
}

.app-bar {
    position: fixed;
    left: 240px;
    right: 0;
    z-index: 1201;
    background-color: var(--bg-paper);
    color: var(--text-primary);
    border-bottom: 1px solid var(--divider);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
}

.app-bar-title {
    font-size: 1.25rem;
    font-weight: 500;
    flex-grow: 1;
}

.drawer {
    width: 240px;
    flex-shrink: 0;
    position: fixed;
    height: 100vh;
    z-index: 1200;
}

.drawer-paper {
    width: 240px;
    box-sizing: border-box;
    background-color: var(--bg-paper);
    border-right: 1px solid var(--divider);
    height: 100%;
}

.drawer-container {
    overflow: auto;
}

.main-content {
    flex-grow: 1;
    padding: 24px;
    margin-left: 240px;
    margin-top: 64px;
}

body.no-sidebar .main-content {
    margin-left: 0 !important;
}

body.no-sidebar .drawer {
    display: none;
}

.toolbar-spacer {
    min-height: 64px;
}

.nav-list a {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: background-color 0.2s;
}

.nav-list a:visited {
    color: var(--text-secondary);
}

.nav-list a:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.nav-list .nav-icon {
    margin-right: 24px;
    color: var(--text-secondary);
    font-size: 24px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-list a:hover .nav-icon {
    color: var(--text-primary);
}

a.btn, a.btn:visited {
    color: var(--text-primary);
    text-decoration: none;
}

.pagination {
    display: flex;
    justify-content: center;
    list-style: none;
    padding-left: 0;
}

.page-item {
    margin: 0 0.25rem;
}

.page-link {
    display: block;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--divider);
    border-radius: 0.25rem;
    text-decoration: none;
    color: var(--text-secondary);
}

.page-item.active .page-link {
    background-color: var(--primary-main);
    color: var(--bg-paper);
    border-color: var(--primary-main);
}

.page-item.disabled .page-link {
    color: var(--divider);
    pointer-events: none;
}

.logout-form button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
}

.media-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.media-card {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--bg-paper);
}

.media-card img,
.media-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Lazy loading improvements */
.media-thumbnail {
    transition: opacity 0.3s ease-in-out;
    background-color: var(--bg-paper);
}

.media-thumbnail[loading] {
    opacity: 0.7;
}

.media-placeholder {
    background: linear-gradient(90deg, var(--bg-paper) 25%, rgba(255,255,255,0.1) 50%, var(--bg-paper) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* User Management Styles */
.grid {
    display: grid;
    gap: 1.5rem;
}

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

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    background-color: var(--bg-paper);
    border: 1px solid var(--divider);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--divider);
    background-color: rgba(255, 255, 255, 0.02);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.card-text {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--divider);
    background-color: rgba(255, 255, 255, 0.02);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.5rem;
    white-space: nowrap;
    min-width: fit-content;
}

.btn-primary {
    background-color: var(--primary-main);
    color: var(--bg-paper);
}

.btn-primary:hover {
    background-color: #1976d2;
    color: white;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--divider);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
}

.btn-error {
    background-color: #f44336;
    color: white;
}

.btn-error:hover {
    background-color: #d32f2f;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-info {
    background-color: #2196f3;
    color: white;
}

.badge-success {
    background-color: #4caf50;
    color: white;
}

.badge-danger {
    background-color: #f44336;
    color: white;
}

.badge-primary {
    background-color: var(--primary-main);
    color: white;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--divider);
    border-radius: 4px;
    background-color: var(--bg-default);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-main);
    box-shadow: 0 0 0 2px rgba(144, 202, 249, 0.2);
}

/* Select option styling - ensure visibility in dark theme */
select option {
    background-color: var(--bg-paper);
    color: var(--text-primary);
    padding: 0.5rem;
}

.form-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Table Styles */
.table-responsive {
    overflow-x: auto;
    margin: 1rem 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-paper);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--divider);
}

.table th {
    background-color: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Utility Classes */
.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.text-muted {
    color: var(--text-secondary);
}

.text-danger {
    color: #f44336;
}

.text-success {
    color: #4caf50;
}

.text-primary {
    color: var(--primary-main);
}

/* Checkbox Select Multiple Styling */
.checkbox-select-multiple {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.checkbox-select-multiple label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--divider);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-select-multiple label:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.checkbox-select-multiple input[type="checkbox"] {
    margin: 0;
}

/* Alert/Messages Styles */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border-left: 4px solid;
    position: relative;
    padding-right: 2.5rem;
}

.alert-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    transition: opacity 0.2s, background-color 0.2s;
}

.alert-close:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.1);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-left-color: #2196f3;
    color: #2196f3;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-left-color: #4caf50;
    color: #4caf50;
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    border-left-color: #f44336;
    color: #f44336;
}

/* Play icon overlay for videos */
.media-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 2;
}

.media-play-overlay span.material-icons {
    font-size: 4rem;
    color: rgba(255,255,255,0.92);
    text-shadow: 0 2px 8px rgba(0,0,0,0.7);
    background: rgba(0,0,0,0.32);
    border-radius: 50%;
    padding: 0.5rem;
}

/* Media Container and Cards */
.media-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.media-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-paper);
    border: 1px solid var(--divider);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.media-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.media-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.media-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.2s ease;
}

.media-card:hover .media-thumbnail {
    transform: scale(1.05);
}

.media-placeholder {
    width: 100%;
    height: 100%;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

/* Hide the title overlay - thumbnails should fill entire box */
.media-card-overlay {
    display: none !important;
}

.media-title {
    display: none !important;
}

/* Checkbox styling for media cards */
.media-checkbox {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    width: 20px;
    height: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.media-card:hover .media-checkbox {
    opacity: 1;
}

.media-checkbox:checked {
    opacity: 1;
}

/* Mobile Menu Styles */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.mobile-menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.drawer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1199;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.drawer-overlay.show {
    display: block;
    opacity: 1;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .app-bar {
        left: 0;
        padding: 0 16px;
    }
    
    .drawer {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1200;
    }
    
    .drawer.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
        margin-top: 64px;
    }
    
    .user-info {
        gap: 0.5rem;
    }
    
    .user-info span {
        display: none;
    }
    
    .logout-form .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    /* Grid adjustments for mobile */
    .grid {
        gap: 1rem;
    }
    
    .grid-1 {
        grid-template-columns: 1fr;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Card adjustments */
    .card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Button adjustments */
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    /* Form adjustments */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem;
    }
    
    /* Media grid mobile optimization */
    .media-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .media-card {
        min-height: 120px;
    }
    
    .media-thumbnail {
        border-radius: 4px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 12px;
    }
    
    .app-bar {
        padding: 0 12px;
        height: 56px;
    }
    
    .main-content {
        margin-top: 56px;
    }
    
    .toolbar-spacer {
        min-height: 56px;
    }
    
    .app-bar-title {
        font-size: 1.1rem;
    }
    
    /* Single column layout for very small screens */
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .media-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.25rem;
    }
    
    /* Smaller cards for mobile */
    .card-header {
        padding: 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    /* Touch-friendly buttons */
    .btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    /* Navigation adjustments */
    .nav-list a {
        padding: 16px 24px;
        font-size: 0.95rem;
    }
    
    .nav-icon {
        margin-right: 16px;
    }
}

/* Additional mobile form optimizations */
@media (max-width: 768px) {
    /* Form container improvements */
    .form-card {
        margin: 1rem auto !important;
        max-width: 100% !important;
        padding: 1rem !important;
    }
    
    /* Input field improvements */
    .form-control,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="url"],
    input[type="date"],
    input[type="time"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px !important; /* Prevents iOS zoom */
        padding: 12px !important;
        border-radius: 8px !important;
        line-height: 1.5;
        -webkit-appearance: none;
        appearance: none;
        min-height: 44px; /* Touch target size */
    }
    
    /* Textarea specific */
    textarea {
        min-height: 120px;
        resize: vertical;
    }
    
    /* Select improvements */
    select {
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 16px;
        padding-right: 40px !important;
    }
    
    /* Select option styling for dark theme */
    select option {
        background-color: var(--bg-paper);
        color: var(--text-primary);
    }
    
    /* Form labels */
    .form-group label {
        font-size: 0.95rem;
        font-weight: 500;
        margin-bottom: 0.5rem;
        display: block;
    }
    
    /* Form actions */
    .form-actions {
        flex-direction: column !important;
        gap: 0.75rem !important;
        margin-top: 2rem !important;
    }
    
    .form-actions .btn {
        width: 100% !important;
        order: 2;
    }
    
    .form-actions .btn-submit,
    .form-actions .btn-primary {
        order: 1; /* Primary action goes first on mobile */
    }
    
    /* Checkbox and radio improvements */
    .form-check {
        margin: 1rem 0;
    }
    
    .form-check-input {
        width: 20px;
        height: 20px;
        margin-right: 0.75rem;
    }
    
    .form-check-label {
        font-size: 0.95rem;
        line-height: 1.4;
        cursor: pointer;
        padding-left: 0.25rem;
    }
    
    /* File upload improvements */
    .file-upload-area {
        min-height: 120px !important;
        padding: 1rem !important;
        border: 2px dashed var(--divider) !important;
        border-radius: 8px !important;
        text-align: center;
        cursor: pointer;
    }
    
    .file-upload-text {
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    
    /* Error message improvements */
    .form-error,
    .errorlist {
        font-size: 0.875rem !important;
        margin-top: 0.25rem !important;
        color: var(--secondary-main) !important;
        line-height: 1.4;
    }
    
    /* Help text improvements */
    .form-help-text,
    .help-text {
        font-size: 0.8rem !important;
        color: var(--text-secondary) !important;
        margin-top: 0.25rem !important;
        line-height: 1.3;
    }
}

@media (max-width: 480px) {
    .form-card {
        margin: 0.5rem auto !important;
        padding: 0.75rem !important;
    }
    
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    .form-actions {
        margin-top: 1.5rem !important;
        gap: 0.5rem !important;
    }
    
    /* Smaller text on very small screens */
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-help-text {
        font-size: 0.75rem !important;
    }
}

/* Toast Notification Styles */
.toast-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 15px 25px;
    border-radius: 8px;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.5s, bottom 0.5s;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.toast-notification.show {
    opacity: 1;
    bottom: 30px;
}

/* Footer Styles */
.app-footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--divider);
    background-color: var(--bg-paper);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--primary-main);
}

.footer-links a i {
    font-size: 18px;
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: 1rem;
}

.footer-text p {
    margin: 0;
}

@media (max-width: 768px) {
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .app-footer {
        margin-top: 2rem;
        padding: 1.5rem 0;
    }
}