/* Import main design system */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
    --bg-color: #050505;
    --bg-secondary: #0a0a0a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent-color: #ff3366;
    --accent-glow: rgba(255, 51, 102, 0.3);
    --glass-bg: rgba(10, 10, 10, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-bg: #111111;
    --border-color: #333;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --max-width: 1400px;
    --header-height: 80px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-actions {
    display: flex;
    align-items: center;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: var(--accent-color);
    color: white;
    font-weight: 500;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
    box-shadow: 0 10px 30px var(--accent-glow);
    transition: transform var(--transition-speed) var(--ease-out-expo), box-shadow var(--transition-speed) var(--ease-out-expo);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--accent-glow);
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.btn-logout:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

/* Auth Pages (Login) */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: radial-gradient(circle at center, #1a1a1a 0%, #050505 100%);
}

.auth-box {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 3rem;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    width: 100%;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: none;
    background: var(--accent-color);
    color: white;
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--accent-glow);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
    font-size: 0.9rem;
}

/* Gallery Layout */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.gallery-item {
    aspect-ratio: 3/4;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-secondary);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: flex-end;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

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

.btn-primary {
    background: var(--accent-color);
    border: none;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: #ff1a4d;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-color);
    border: none;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
}

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

/* Selection Toolbar */
.selection-toolbar {
    padding: 1rem 2rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: var(--header-height);
    z-index: 99;
}

.toolbar-content {
    display: flex;
    gap: 1rem;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    flex-wrap: wrap;
}

.selection-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: auto;
}

/* Selection Checkboxes */
.selection-checkbox {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 10;
    display: none;
    align-items: center;
    justify-content: center;
}

.selection-checkbox input[type="checkbox"] {
    display: none;
}

.selection-checkbox label {
    width: 28px;
    height: 28px;
    border: 2px solid white;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.selection-checkbox label:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.selection-checkbox input[type="checkbox"]:checked+label {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.selection-checkbox input[type="checkbox"]:checked+label::after {
    content: '✓';
    color: white;
    font-size: 16px;
    font-weight: bold;
}

.gallery-item.selection-active {
    cursor: default;
}

.gallery-item.selection-active:hover img {
    transform: none;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 4px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: background 0.3s ease;
}

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

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-download {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: white;
    color: black;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s ease;
}

.lightbox-download:hover {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
        padding: 1rem;
    }

    .gallery-header {
        padding: 1rem;
    }

    .gallery-title h1 {
        font-size: 1.2rem;
    }
}

.gallery-header {
    flex-direction: column;
    gap: 1rem;
}

.header-actions {
    width: 100%;
    justify-content: space-between;
}

.selection-toolbar {
    padding: 1rem;
}

.toolbar-content {
    gap: 0.5rem;
    justify-content: center;
}

.selection-count {
    margin-left: 0;
    flex-basis: 100%;
    text-align: center;
    order: -1;
}

.btn-primary,
.btn-secondary,
.btn-success {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
}
}