:root {
    --bg-color: #0d0f14;
    --sidebar-bg: #161a22;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --card-bg: #1e293b;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --border-color: #334155;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body.dark-theme {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    z-index: 100;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
}

.logo span {
    color: var(--accent-color);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag-item {
    padding: 6px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-item:hover,
.tag-item.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Main Content */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: radial-gradient(circle at top right, #1e293b 0%, #0d0f14 100%);
}

.top-bar {
    height: 70px;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.search-container input {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    width: 300px;
    outline: none;
    transition: border-color 0.3s;
}

.search-container input:focus {
    border-color: var(--accent-color);
}

/* Masonry Grid */
.masonry-grid {
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.image-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
    /* Make cards square */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.image-card img {
    width: 100%;
    height: 100%;
    /* Ensure image takes full height of the card */
    display: block;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity 0.3s;
}

.image-card:hover .image-overlay {
    opacity: 1;
}

/* Buttons */
.btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #2563eb;
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
}

.btn-secondary:hover {
    color: white;
    border-color: var(--text-secondary);
}

.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary:disabled:hover,
.btn-secondary:disabled:hover {
    background: inherit;
    border-color: var(--border-color);
}

/* Auth Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-box {
    background: var(--sidebar-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
    margin: 0 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-box h1 {
    margin-bottom: 8px;
}

.login-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.form-group {
    text-align: left;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px;
    border-radius: 8px;
    outline: none;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--sidebar-bg);
    margin: 10% auto;
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 400px;
}

.modal h2 {
    margin-bottom: 24px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 300;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

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

/* Lightbox Navigation Arrows */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #f1f1f1;
    font-size: 36px;
    padding: 16px 20px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 310;
}

.lightbox-nav:hover {
    background: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

#caption {
    text-align: center;
    color: var(--text-secondary);
    padding: 15px 20px;
    font-size: 16px;
}

/* Progress Bar */
.progress-bar-container {
    width: 100%;
    height: 10px;
    background: var(--bg-color);
    border-radius: 5px;
    margin-top: 20px;
    overflow: hidden;
    display: none;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    transition: width 0.3s ease;
}

.status-msg {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

.filters {
    flex: 1;
    overflow-y: auto;
    margin-top: 32px;
    min-height: 0;
    /* Important for flexbox overflow */
    margin-bottom: 20px;
}

.filter-search {
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background: var(--sidebar-bg);
    /* Cover content behind when scrolling if needed, or just block */
    z-index: 10;
    padding-bottom: 10px;
}

.filter-search input {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
}

.filter-search input:focus {
    border-color: var(--accent-color);
}

.filters h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 0;
    flex-shrink: 0;
    /* Ensure footer never shrinks */
}

/* Sidebar Scrape Info */
.sidebar-scrape-info {
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    flex-shrink: 0;
    /* Ensure info never shrinks */
}

.sidebar-scrape-info .status-msg {
    margin-top: 0;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--accent-color);
}

.btn-small {
    padding: 8px 16px !important;
    font-size: 12px;
}

#btn-stop-scrape:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* Hamburger Menu */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 150;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
}

.mobile-header .logo h1 {
    font-size: 20px;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 200;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -7px);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 90;
}

.sidebar-overlay.active {
    display: block;
}

/* Mobile Responsive Styles */
@media screen and (max-width: 768px) {
    .mobile-header {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: 280px;
        transition: left 0.3s ease;
        padding-top: 80px;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar .logo {
        display: none;
    }

    .content {
        margin-top: 60px;
    }

    .top-bar {
        height: 60px;
        padding: 0 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding-top: 12px;
        padding-bottom: 12px;
        height: auto;
    }

    .search-container {
        width: 100%;
    }

    .search-container input {
        width: 100%;
    }

    .stats {
        text-align: center;
        font-size: 14px;
    }

    .masonry-grid {
        padding: 16px;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .modal-content {
        width: 90%;
        margin: 20% auto;
        padding: 24px;
    }

    .lightbox-content {
        max-width: 95%;
        max-height: 80vh;
    }

    .close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }

    .lightbox-nav {
        font-size: 24px;
        padding: 12px 14px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}

@media screen and (max-width: 480px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
        padding: 12px;
    }

    .image-overlay {
        padding: 10px;
    }

    .image-overlay p {
        font-size: 12px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 10px 18px;
        font-size: 14px;
    }

    .form-group input {
        padding: 10px;
    }
}