/**
 * Sam Pinkelman World - Liquid Glass UI Styles
 * Monochrome design with Helvetica Bold and frosted glass effects
 */

/* CSS Variables for consistent theming */
:root {
    --primary-text: #ffffff;
    --secondary-text: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --overlay-bg: rgba(0, 0, 0, 0.4);
    --accent-color: #ffffff;
    --danger-color: #ff4444;
    --success-color: #44ff44;
    --font-family: Helvetica, Arial, sans-serif;
    --backdrop-blur: blur(12px);
    --transition: all 0.3s ease;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-weight: 700;
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background: #000;
}

/* Background setup */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--bg-image, url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48ZGVmcz48bGluZWFyR3JhZGllbnQgaWQ9ImciIHgxPSIwJSIgeTE9IjAlIiB4Mj0iMTAwJSIgeTI9IjEwMCUiPjxzdG9wIG9mZnNldD0iMCUiIHN0b3AtY29sb3I9IiMzMzMiLz48c3RvcCBvZmZzZXQ9IjEwMCUiIHN0b3AtY29sb3I9IiMxMTEiLz48L2xpbmVhckdyYWRpZW50PjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgZmlsbD0idXJsKCNnKSIvPjwvc3ZnPg=='));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

#background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    z-index: -1;
}

/* Liquid glass effect mixin */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: var(--transition);
}

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(12px)) {
    .glass-effect {
        background: rgba(0, 0, 0, 0.7);
    }
}

/* Admin visibility */
.admin-only {
    display: none;
}

body.admin-mode .admin-only {
    display: block;
}

body.admin-mode .admin-controls {
    display: flex;
}

.admin-controls {
    display: none;
}

/* Layout components */
.header {
    position: relative;
    padding: 2rem 1rem;
    text-align: center;
    z-index: 10;
}

.logo-container {
    display: inline-block;
}

.logo {
    max-height: 120px;
    max-width: 300px;
    height: auto;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

/* Navigation tabs */
.nav-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 2rem;
    background: transparent;
    color: var(--secondary-text);
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--primary-text);
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

/* Main content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 0 1rem 6rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Admin controls */
.admin-controls {
    margin-bottom: 2rem;
    padding: 1rem;
    border-radius: 1rem;
}

.admin-controls.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
}

.admin-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Glass buttons */
.glass-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    color: var(--primary-text);
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 12px 48px var(--glass-shadow);
}

.glass-btn:active {
    transform: translateY(0);
}

.glass-btn.danger {
    background: rgba(255, 68, 68, 0.2);
    border-color: rgba(255, 68, 68, 0.4);
}

.glass-btn.danger:hover {
    background: rgba(255, 68, 68, 0.3);
}

/* Admin and gear buttons */
.admin-btn {
    position: fixed;
    top: 1rem;
    right: 1rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    color: var(--primary-text);
    font-family: var(--font-family);
    font-weight: 700;
    cursor: pointer;
    z-index: 100;
    transition: var(--transition);
}

.admin-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.gear-btn {
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    color: var(--primary-text);
    cursor: pointer;
    z-index: 100;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gear-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Grid layouts */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.album-card {
    aspect-ratio: 1;
    border-radius: 1rem;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.album-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 64px var(--glass-shadow);
}

.album-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(2px) brightness(0.7);
    transition: var(--transition);
}

.album-card:hover .album-cover {
    filter: blur(1px) brightness(0.8);
}

.album-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--primary-text);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
}

.album-admin-controls {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: none;
    gap: 0.25rem;
}

body.admin-mode .album-admin-controls {
    display: flex;
}

.admin-control-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    color: var(--primary-text);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.admin-control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Essays grid */
.essays-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.essay-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.essay-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 64px var(--glass-shadow);
}

.essay-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.essay-title {
    font-size: 1.3rem;
    color: var(--primary-text);
    margin-bottom: 0.5rem;
}

.essay-admin-controls {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: none;
    gap: 0.25rem;
}

body.admin-mode .essay-admin-controls {
    display: flex;
}

/* Videos container */
.videos-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.video-card {
    border-radius: 1rem;
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: var(--transition);
    position: relative;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 64px var(--glass-shadow);
}

.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-admin-controls {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: none;
}

body.admin-mode .video-admin-controls {
    display: block;
}

/* Footer */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    z-index: 50;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.full-screen .modal-content {
    width: 95vw;
    height: 95vh;
    max-width: none;
    max-height: none;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 1.5rem;
}

/* Essay reader specific styles for maximum PDF viewing */
#essay-reader-modal .modal-body {
    padding: 0;
    flex: 1;
    overflow: hidden;
    display: flex;
}

#essay-reader-modal .modal-header {
    padding: 1rem 1.5rem;
    flex-shrink: 0;
}

#essay-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    flex: 1;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="text"],
input[type="password"],
input[type="url"] {
    padding: 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    color: var(--primary-text);
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1rem;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder,
input[type="url"]::placeholder {
    color: var(--secondary-text);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="url"]:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

/* Contact grid */
.contact-grid {
    display: grid;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: var(--glass-bg);
    color: var(--primary-text);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
}

.contact-icon {
    width: 24px;
    height: 24px;
    filter: invert(1);
}

/* Branding grid */
.branding-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.branding-item {
    text-align: center;
}

.branding-item h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.asset-preview {
    width: 150px;
    height: 100px;
    margin: 0 auto 1rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.asset-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.asset-preview.empty::before {
    content: 'No image';
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* Backup section */
.backup-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.backup-section h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-align: center;
}

.backup-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Gallery styles */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: 0.5rem;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: var(--glass-bg);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-admin-controls {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
}

.gallery-admin-controls .admin-actions {
    justify-content: flex-start;
}

/* Lightbox */
.lightbox {
    background: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    z-index: 1001;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--primary-text);
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#lightbox-image {
    max-width: calc(100vw - 200px);
    max-height: calc(100vh - 200px);
    object-fit: contain;
}

.lightbox-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    font-size: 0.9rem;
}

/* Confirm modal */
.confirm-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    color: var(--primary-text);
    font-weight: 700;
    box-shadow: 0 8px 32px var(--glass-shadow);
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s;
    animation-fill-mode: forwards;
    max-width: 300px;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .albums-grid,
    .essays-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .videos-container {
        grid-template-columns: 1fr;
    }
    
    .branding-grid {
        grid-template-columns: 1fr;
    }
    
    .backup-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    #lightbox-image {
        max-width: calc(100vw - 100px);
        max-height: calc(100vh - 150px);
    }
    
    .lightbox-nav {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .lightbox-prev {
        left: 1rem;
    }
    
    .lightbox-next {
        right: 1rem;
    }
    
    .admin-btn {
        top: 0.5rem;
        right: 0.5rem;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .gear-btn {
        top: 0.5rem;
        left: 0.5rem;
        width: 40px;
        height: 40px;
    }
    
    .toast-container {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0 0.5rem 6rem;
    }
    
    .tab-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .albums-grid,
    .essays-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal.full-screen .modal-content {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.2);
        --glass-border: rgba(255, 255, 255, 0.4);
        --overlay-bg: rgba(0, 0, 0, 0.6);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .admin-btn,
    .gear-btn,
    .footer,
    .modal {
        display: none !important;
    }
    
    body::before,
    #background-overlay {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}