/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --light: #f8fafc;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Main content wrapper to push footer to bottom */
.main-content {
    flex: 1;
}

/* Animated Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
                var(--dark);
}

.data-flow {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(180deg, transparent, var(--primary), transparent);
    animation: dataFlow 3s linear infinite;
}

.data-flow:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
}

.data-flow:nth-child(2) {
    left: 50%;
    animation-delay: 1s;
}

.data-flow:nth-child(3) {
    left: 80%;
    animation-delay: 2s;
}

@keyframes dataFlow {
    0% {
        top: -100px;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.logo .accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--light);
    transition: 0.3s;
}

/* Search Container */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.search-container:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

.search-container i {
    color: var(--primary);
    margin-right: 1rem;
}

#searchInput {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--light);
    font-size: 1rem;
    outline: none;
    padding: 0.5rem 0;
}

#searchInput::placeholder {
    color: #64748b;
}

.clear-btn {
    background: transparent;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s;
    display: none;
}

.clear-btn.active {
    display: block;
}

.clear-btn:hover {
    color: var(--light);
}

/* Authentication Section */
.auth-section {
    padding: 1rem 2rem;
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(99, 102, 241, 0.3);
    position: relative;
    margin-top: 70px; /* Hauteur de la navbar pour qu'elle soit visible */
    z-index: 900;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.auth-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto;
}

.auth-status {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    transition: all 0.3s;
    flex: 1;
    min-width: 200px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-status.connected {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
    animation: pulse-success 2s ease-in-out infinite;
}

@keyframes pulse-success {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.auth-status.disconnected {
    background: rgba(245, 101, 101, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.5);
}

.auth-btn {
    padding: 0.65rem 1.3rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    white-space: nowrap;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

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

/* Gallery Controls Section */
.gallery-controls-section {
    padding: 0.5rem;
    background: var(--dark-secondary);
}

/* View Options */
.view-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-options.compact {
    padding: 0.25rem 0;
    gap: 1rem;
}

.controls-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.controls-right {
    display: flex;
    align-items: center;
}

/* Search Container in View Options */
.search-container.compact {
    max-width: 300px;
    margin: 0;
    padding: 0.4rem 1rem;
}

.search-container.compact #searchInput {
    font-size: 0.9rem;
    padding: 0.3rem 0;
}

.search-container.compact i {
    margin-right: 0.7rem;
    font-size: 0.9rem;
}

.sort-dropdown {
    position: relative;
}

.sort-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--light);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.sort-btn:hover {
    border-color: var(--primary);
}

.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    background: var(--dark-secondary);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 15px;
    overflow: hidden;
    min-width: 200px;
    display: none;
    z-index: 100;
}

.dropdown-menu.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu button {
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--light);
    text-align: left;
    cursor: pointer;
    transition: background 0.3s;
}

.dropdown-menu button:hover {
    background: rgba(99, 102, 241, 0.2);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 10px;
    color: var(--light);
    cursor: pointer;
    transition: all 0.3s;
}

.view-btn:hover {
    border-color: var(--primary);
}

.view-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
}

/* Gallery Section */
.gallery-section {
    padding: 2rem 2rem 0.5rem;
    background: var(--dark);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state i {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #94a3b8;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    animation: fadeIn 0.5s ease-out;
}

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

.gallery-grid.masonry-view {
    columns: 4;
    column-gap: 1.5rem;
}

.gallery-grid.list-view {
    grid-template-columns: 1fr;
}

/* Photo Card */
.photo-card {
    position: relative;
    background: var(--dark-secondary);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid rgba(99, 102, 241, 0.2);
    animation: photoAppear 0.5s ease-out backwards;
}

@keyframes photoAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.photo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.3);
    border-color: var(--primary);
}

.masonry-view .photo-card {
    break-inside: avoid;
    margin-bottom: 1.5rem;
}

.list-view .photo-card {
    display: grid;
    grid-template-columns: 400px 1fr;
}

.photo-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--dark-tertiary);
}

.list-view .photo-image {
    height: 100%;
}

.photo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s, opacity 0.3s;
    opacity: 0;
}

.photo-image img[src]:not([src*="data:image"]) {
    opacity: 1;
}

.photo-card:hover .photo-image img {
    transform: scale(1.1);
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

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

.photo-overlay-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.photo-overlay-content p {
    font-size: 0.9rem;
    color: #cbd5e1;
}

.photo-info {
    padding: 1.5rem;
}

.photo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.photo-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--primary);
}

.photo-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.photo-info p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.photo-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: #64748b;
    padding-top: 1rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.photo-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Hide load more button when loading */
#loadingState[style*="display: block"] ~ .load-more-container,
#loadingState:not([style*="display: none"]) ~ .load-more-container {
    display: none;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.lightbox-content {
    position: relative;
    width: 90%;
    height: 90%;
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    overflow: hidden;
    min-height: 400px;
}

.lightbox-image-container img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
    cursor: grab;
    user-select: none;
}

.lightbox-image-container img.dragging {
    cursor: grabbing;
}

.lightbox-rotate-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-image-container:hover .lightbox-rotate-controls {
    opacity: 1;
}

.rotate-btn {
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rotate-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
}

.lightbox-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.lightbox-nav.prev {
    left: -80px;
}

.lightbox-nav.next {
    right: -80px;
}

.lightbox-info {
    background: var(--dark-secondary);
    border-radius: 15px;
    padding: 2rem;
    overflow-y: auto;
}

.lightbox-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.lightbox-info p {
    color: #94a3b8;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.lightbox-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    color: #64748b;
}

.lightbox-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.lightbox-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--light);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.lightbox-counter {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--dark-secondary);
    padding: 1rem 2rem 0.5rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand i {
    font-size: 2rem;
    color: var(--primary);
}

.footer-brand span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-quote {
    display: flex;
    align-items: center;
}

.footer-quote p {
    font-style: italic;
    color: #94a3b8;
}

.footer-social {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: flex-end;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .lightbox-content {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .lightbox-nav.prev {
        left: 10px;
    }

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

@media (max-width: 968px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    .gallery-grid.masonry-view {
        columns: 2;
    }

    .list-view .photo-card {
        grid-template-columns: 1fr;
    }

    .filter-container {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .auth-section {
        padding: 0.75rem 1rem;
        position: relative;
        top: 0;
    }

    .auth-container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .auth-status {
        width: 100%;
        min-width: unset;
    }

    .auth-btn {
        width: 100%;
    }

    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .lightbox-info {
        max-height: 300px;
    }
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid.masonry-view {
        columns: 1;
    }

    .filter-btn span:not(.count) {
        display: none;
    }

    .view-options {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* Mobile menu styles */
@media (max-width: 968px) {
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        padding: 2rem;
        gap: 1rem;
        border-top: 1px solid rgba(99, 102, 241, 0.2);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}