@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;600;700;800&display=swap');

:root {
    --primary: rgb(249,120,21);
    --primary-hover: rgb(220, 100, 15);
    --secondary: #6366f1;
    --accent: rgb(249,120,21);
    --bg-main: #fcf7f7;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: #ffffff;
    --border-glass: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: rgba(249, 120, 21, 0.3);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

/* Navigation Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar (Mobile & Desktop Sidebar variant) */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-glass);
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 16px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.nav-item:hover {
    background: rgba(249, 120, 21, 0.08);
    color: var(--primary);
    transform: translateX(5px);
}
.nav-item.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px rgba(249, 120, 21, 0.2);
}

.nav-item svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

/* Desktop Top Nav */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: #ffffff;
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 90;
    margin-bottom: 2rem;
}

.main-content {
    flex: 1;
    overflow-y: auto;
}

@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
    }
    .sidebar.active {
        left: 0;
    }
    .top-nav {
        display: none;
    }
}

@media (min-width: 1025px) {
    .mobile-nav-toggle {
        display: none;
    }
}

.mobile-nav-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
    z-index: 1000;
    cursor: pointer;
    border: none;
}

/* 3D Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    perspective: 1000px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateZ(50px);
}

.logo-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    transform: rotateX(10deg) rotateY(-10deg);
}

.logo-text h1 {
    font-size: 1.8rem;
    color: var(--text-main);
}
.logo-text h1 span {
    color: var(--primary);
}

/* Glass Card Base */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
}

/* Upload Section */
.upload-section {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .upload-section {
        grid-template-columns: 1fr;
    }
}

.drop-zone {
    height: 300px;
    border: 2px dashed var(--border-glass);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.loader-svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.drop-zone.active {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.drop-zone:hover {
    background: rgba(255, 255, 255, 0.02);
}

.drop-zone-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.seo-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

input, select {
    background: #1e293b;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    padding: 0.8rem 1rem;
    color: white;
    outline: none;
    transition: var(--transition);
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(249, 120, 21, 0.15);
}

::placeholder {
    color: rgba(255, 255, 255, 0.8) !important;
    opacity: 1;
}

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 8px 20px rgba(249, 120, 21, 0.15);
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(249, 120, 21, 0.25);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: var(--primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

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

/* Gallery Section */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

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

.image-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1/1;
    background: #e2e8f0;
    cursor: pointer;
    transition: var(--transition);
}

.image-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.image-card:hover img {
    transform: scale(1.08);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    opacity: 0;
    transition: var(--transition);
    transform: translateZ(30px);
}

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

.image-info h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.image-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Modal Styling */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: 32px;
    width: 90%;
    max-width: 800px;
    padding: 2rem;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Progress Bar */
.progress-container {
    margin-top: 1rem;
    width: 100%;
    display: none;
}

.progress-bar {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.3s ease;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 2000;
    transform: translateX(150%);
    transition: var(--transition);
}


/* View Switching Logic */
.view-section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}
.view-section.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Header */
.mobile-header {
    display: none;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 110;
}

@media (max-width: 1024px) {
    .mobile-header {
        display: flex;
    }
    .top-nav {
        display: none;
    }
    .sidebar {
        z-index: 200;
    }
}

/* Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.settings-card {
    padding: 1.5rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: rgba(255,255,255,0.1);
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider { background-color: var(--primary); }
input:checked + .slider:before { transform: translateX(26px); }