/* ========================================
   RESET & VARIABLES
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #1f1f1f;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --bg-hover: #4d4d4d;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #71767b;
    --accent: #8ab4f8;
    --accent-hover: #aecbfa;
    --danger: #f28b82;
    --danger-hover: #ee675c;
    --success: #81c995;
    --border: #3c4043;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 8px rgba(0,0,0,0.2);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
    --transition: 0.2s ease;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hover);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand i {
    font-size: 1.5rem;
    color: var(--accent);
}

.navbar-brand:hover {
    text-decoration: none;
    color: var(--text-primary);
}

.navbar-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--accent);
    color: #1f1f1f;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #1f1f1f;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.8rem;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.85);
}

.btn-icon-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-icon-warning {
    color: #fbbf24 !important;
}

.btn-icon-warning:hover {
    background: #fbbf24;
    color: black;
}

/* Alert */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-warning {
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.4);
    color: #fbbf24;
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.4);
    color: #60a5fa;
}

@media (max-width: 480px) {
    .btn-label {
        display: none;
    }
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.2);
}

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

.form-inline {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 200px;
}

/* ========================================
   UPLOAD
   ======================================== */
.upload-widget {
    width: 100%;
}

.upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 2rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-secondary);
    text-align: center;
    position: relative;
}

.upload-dropzone i {
    font-size: 2.5rem;
    color: var(--accent);
    transition: transform var(--transition);
}

.upload-dropzone:hover {
    border-color: var(--accent);
    background: rgba(138, 180, 248, 0.05);
}

.upload-dropzone:hover i {
    transform: translateY(-3px);
}

.upload-dropzone-active {
    border-color: var(--accent) !important;
    background: rgba(138, 180, 248, 0.1) !important;
    transform: scale(1.01);
    box-shadow: 0 0 20px rgba(138, 180, 248, 0.2);
}

.upload-dropzone-active i {
    transform: translateY(-5px) scale(1.1);
    animation: upload-bounce 0.6s ease infinite alternate;
}

@keyframes upload-bounce {
    from { transform: translateY(-5px) scale(1.1); }
    to { transform: translateY(-10px) scale(1.15); }
}

.upload-dropzone input[type="file"] {
    display: none;
}

.upload-dropzone-text {
    font-size: 0.95rem;
    font-weight: 500;
}

.upload-dropzone-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Upload Progress */
.upload-progress {
    padding: 1.5rem;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
}

.upload-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.upload-progress-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.upload-progress-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.upload-progress-bar-wrapper {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.upload-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.upload-progress-details {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Upload Result */
.upload-result {
    padding: 1.5rem;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.upload-result-success {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--success);
    font-weight: 500;
}

.upload-result-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-weight: 500;
}

.upload-result-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--danger);
    font-weight: 500;
}

.upload-error-list {
    list-style: none;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: left;
    width: 100%;
    max-height: 120px;
    overflow-y: auto;
}

.upload-error-list li {
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border);
}

.upload-error-list li:last-child {
    border-bottom: none;
}

/* ========================================
   FLASH MESSAGES
   ======================================== */
.flash {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin: 0 auto 1rem;
    max-width: 1400px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.flash-success {
    background: rgba(129, 201, 149, 0.15);
    color: var(--success);
    border: 1px solid rgba(129, 201, 149, 0.3);
}

.flash-error {
    background: rgba(242, 139, 130, 0.15);
    color: var(--danger);
    border: 1px solid rgba(242, 139, 130, 0.3);
}

/* ========================================
   PAGE HEADER
   ======================================== */
.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-primary);
}

.section-header {
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.section-header h2 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb-sep {
    font-size: 0.6rem;
    color: var(--text-muted);
}

.breadcrumb-current {
    font-weight: 500;
    color: var(--text-primary);
}

/* ========================================
   ALBUM GRID (Google Photos style)
   ======================================== */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
}

.album-card-wrapper {
    position: relative;
}

.album-card {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.album-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: var(--text-primary);
}

.album-cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--bg-secondary);
}

.album-cover-lock-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.7);
    font-size: 2.5rem;
    pointer-events: none;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.album-card:hover .album-cover img {
    transform: scale(1.05);
}

.album-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 2.5rem;
}

.album-info {
    padding: 0.75rem 0.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.album-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.album-delete-form {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition);
}

.album-visibility-form {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition);
}

.album-rename-form {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition);
    display: flex;
    gap: 0.25rem;
}

.album-card-wrapper:hover .album-delete-form,
.album-card-wrapper:hover .album-visibility-form,
.album-card-wrapper:hover .album-rename-form {
    opacity: 1;
}

/* ========================================
   PHOTO GRID
   ======================================== */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 4px;
}

.photo-card {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 4px;
    transition: transform var(--transition), opacity var(--transition);
    display: block;
}

.photo-card:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-card-admin {
    position: relative;
}

.photo-delete-form {
    position: absolute;
    top: 0.4rem;
    right: 0.4rem;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition);
}

.photo-card-admin:hover .photo-delete-form {
    opacity: 1;
}

.photo-visibility-form {
    position: absolute;
    top: 0.4rem;
    left: 0.4rem;
    z-index: 2;
    opacity: 0;
    transition: opacity var(--transition);
}

.photo-card-admin:hover .photo-visibility-form {
    opacity: 1;
}

.photo-visibility-form.always-visible,
.album-visibility-form.always-visible {
    opacity: 1;
}

.photo-lock-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    pointer-events: none;
}

/* ========================================
   PHOTO VIEWER
   ======================================== */
.photo-viewer {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.viewer-toolbar {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    gap: 1rem;
    min-height: 56px;
    position: relative;
    z-index: 10;
}

.viewer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    color: var(--text-primary);
    text-decoration: none;
    transition: background var(--transition);
    font-size: 1rem;
}

.viewer-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    text-decoration: none;
    color: white;
}

.viewer-toolbar-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

.viewer-title {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.viewer-date {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.viewer-toolbar-actions {
    display: flex;
    gap: 0.25rem;
}

.viewer-more-menu {
    position: relative;
}

.viewer-inline-actions {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

.viewer-btn-danger:hover {
    background: rgba(220, 53, 69, 0.3);
    color: #ff6b7a;
}

.viewer-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    min-width: 160px;
    padding: 0.25rem 0;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.viewer-dropdown-open {
    display: block;
    pointer-events: auto;
}

.viewer-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.6rem 1rem;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}

.viewer-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
}

.viewer-dropdown-item i {
    width: 16px;
    text-align: center;
    font-size: 0.8rem;
}

.viewer-dropdown-item-warning {
    color: #ffc107;
}

.viewer-dropdown-item-warning:hover {
    background: rgba(255, 193, 7, 0.15);
}

.viewer-dropdown-item-danger:hover {
    background: rgba(220, 53, 69, 0.2);
    color: #ff6b7a;
}

.viewer-dropdown form {
    margin: 0;
}

.viewer-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.viewer-image-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow: hidden;
    touch-action: none;
}

.viewer-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 2px;
    transition: transform 0.15s ease;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.viewer-image-wrapper.zoomed .viewer-image {
    cursor: grab;
    transition: none;
}

.viewer-image-wrapper.zoomed ~ .viewer-nav {
    opacity: 0;
    pointer-events: none;
}

.viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    text-decoration: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    transition: all var(--transition);
    z-index: 2;
}

.viewer-nav:hover {
    background: rgba(0, 0, 0, 0.8);
    text-decoration: none;
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.viewer-nav-left {
    left: 1rem;
}

.viewer-nav-right {
    right: 1rem;
}

.viewer-date-overlay {
    display: none;
}

/* ========================================
   LOGIN
   ======================================== */
.login-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 400;
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}

/* ========================================
   ADMIN SECTIONS
   ======================================== */
.admin-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.admin-section-header {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-section-header h2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-section-header h2 i {
    color: var(--accent);
    font-size: 0.9rem;
}

.admin-section-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   REGENERATE THUMBNAILS PROGRESS
   ======================================== */
.regenerate-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.regenerate-progress-bar-container {
    width: 150px;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.regenerate-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.regenerate-progress-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* ========================================
   MODAL
   ======================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.modal-content-lg {
    max-width: 560px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

.modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
    .modal-backdrop {
        padding: 0;
        align-items: flex-end;
    }

    .modal-content,
    .modal-content-lg {
        max-width: 100%;

        border-radius: var(--radius) var(--radius) 0 0;
        border-bottom: none;
    }
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    text-align: center;
    gap: 1rem;
}

.empty-state i {
    font-size: 3rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
}

.empty-state-sm {
    padding: 2rem 1rem;
}

.empty-state-sm i {
    font-size: 2rem;
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (min-width: 768px) {
    .container {
        padding: 2rem 1.5rem;
    }

    .album-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1.5rem;
    }

    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 4px;
    }

    .viewer-nav {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .viewer-nav-left {
        left: 1.5rem;
    }

    .viewer-nav-right {
        right: 1.5rem;
    }

    .viewer-more-menu {
        display: none;
    }

    .viewer-inline-actions {
        display: flex;
    }
}

/* ========================================
   RESPONSIVE - DESKTOP
   ======================================== */
@media (min-width: 1024px) {
    .album-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .page-header h1 {
        font-size: 2rem;
    }
}

@media (min-width: 1400px) {
    .album-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* ========================================
   MOBILE LANDSCAPE - FULLSCREEN VIEWER
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .viewer-toolbar {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        z-index: 10;
        background: transparent;
        backdrop-filter: none;
        pointer-events: none;
        justify-content: space-between;
    }

    .viewer-toolbar .viewer-btn {
        pointer-events: auto;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
    }

    .viewer-toolbar-actions {
        pointer-events: auto;
    }

    .viewer-toolbar-actions .viewer-btn {
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
    }

    .viewer-more-menu {
        pointer-events: auto;
    }

    .viewer-toolbar-center {
        display: none;
    }

    .viewer-date-overlay {
        display: block;
        position: absolute;
        bottom: 0.5rem;
        right: 0.5rem;
        z-index: 10;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        pointer-events: none;
    }

    .viewer-content {
        position: absolute;
        inset: 0;
    }

    .viewer-image-wrapper {
        padding: 0;
    }
}

/* ========================================
   SWIPE SUPPORT (touch devices)
   ======================================== */
@media (hover: none) {
    .album-delete-form,
    .album-visibility-form,
    .album-rename-form,
    .photo-delete-form,
    .photo-visibility-form {
        opacity: 1;
    }

    .viewer-nav {
        width: 44px;
        height: 44px;
    }
}

/* ========================================
   VIDEO MEDIA SUPPORT
   ======================================== */
.media-thumbnail {
    position: relative;
    width: 100%;
    height: 100%;
}

.media-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-thumbnail-video .media-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.media-video-overlay i {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.viewer-video {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-sm);
}

/* ========================================
   TIME SEPARATORS
   ======================================== */
.time-separator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0 8px;
    padding: 0;
}

.time-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.time-separator-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.time-separator-label i {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.time-separator-btn {
    cursor: pointer;
}

.time-separator-edit-icon {
    opacity: 0;
    margin-left: 0.4rem;
    transition: opacity var(--transition);
    font-size: 0.7rem !important;
    color: var(--accent) !important;
}

.time-separator-admin .time-separator-label:hover .time-separator-edit-icon {
    opacity: 1;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}