@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;700;800&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

:root {
    /* Color Palette */
    --surface-light: #fdfdfd;
    --surface-dark: #0a0a0b;
    --text-primary-light: #1a1a1a;
    --text-primary-dark: #f3f3f3;
    --text-secondary-light: #6b7280;
    --text-secondary-dark: #9ca3af;
    --accent: #d4af37;
    /* Elegant Gold */
    --accent-hover: #b5952f;
    --danger: #ef4444;

    /* Layout Variables */
    --radii-sm: 8px;
    --radii-md: 16px;
    --radii-lg: 24px;

    /* Effects Variables */
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;

    /* Active Theme Defaults */
    --bg-color: var(--surface-light);
    --bg-gradient: radial-gradient(circle at top right, #f8fafc, #ffffff, #f1f5f9);
    --card-bg: #ffffff;
    --text-color: var(--text-primary-light);
    --text-muted: var(--text-secondary-light);
    --glass-bg: rgba(253, 253, 253, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --border-color: rgba(0, 0, 0, 0.06);
}

[data-theme='dark'] {
    --bg-color: var(--surface-dark);
    --bg-gradient: radial-gradient(circle at top right, #111116, #0a0a0b, #050505);
    --card-bg: #121214;
    --text-color: var(--text-primary-dark);
    --text-muted: var(--text-secondary-dark);
    --glass-bg: rgba(10, 10, 11, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg-gradient);
    background-color: var(--bg-color);
    background-attachment: fixed;
    background-size: 200% 200%;
    animation: gradientMove 15s ease infinite alternate;
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 0%;
    }

    100% {
        background-position: 100% 100%;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 3rem;
    padding-top: 160px;
    /* Increased padding for fixed header breathing room */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Glassmorphism Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

h1 a {
    color: var(--text-color);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

header nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

header nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
}

header nav.public-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    transition: var(--transition-fast);
}

header nav.public-nav a:hover::after {
    width: 100%;
}

header nav a:hover {
    text-decoration: none;
    color: var(--accent);
}

.theme-toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
    background: rgba(128, 128, 128, 0.1);
    color: var(--accent);
}

.admin-nav {
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Premium Masonry-like Grid Layout */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
    padding-bottom: 4rem;
}

/* Album Tile */
.album-tile {
    position: relative;
    border-radius: var(--radii-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    /* Horizontal orientation based on user request */
    background-color: var(--card-bg);
    box-shadow: var(--shadow-soft);
    display: block;
    transform: translateZ(0);
    /* Hardware accel */
}

.album-tile::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radii-lg);
    box-shadow: inset 0 0 0 1px var(--border-color);
    pointer-events: none;
    z-index: 10;
}

.album-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    filter: brightness(0.95);
}

.album-tile:hover img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.album-tile-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 40%, rgba(0, 0, 0, 0) 100%);
    color: white;
    display: flex;
    align-items: flex-end;
    padding: 2.5rem;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 5;
}

.album-tile-overlay h2 {
    font-family: 'Lora', serif;
    font-size: 2rem;
    font-weight: 400;
    font-style: italic;
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
    margin: 0;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.album-tile:hover .album-tile-overlay {
    opacity: 1;
}

.album-tile:hover .album-tile-overlay h2 {
    transform: translateY(0);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 8rem 0;
    color: var(--text-muted);
    font-family: 'Lora', serif;
    font-size: 1.5rem;
    font-style: italic;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    background-color: var(--accent);
    color: white !important;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
}

.btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

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

.btn-outline {
    background-color: var(--bg-color);
    color: var(--text-color) !important;
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-outline:hover {
    background-color: var(--card-bg);
    color: var(--accent) !important;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
}

.btn-danger {
    background-color: var(--danger);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background-color: darkred;
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Admin Styles */
.admin-login-container {
    max-width: 440px;
    margin: 6rem auto;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radii-lg);
    box-shadow: var(--shadow-soft), inset 0 0 0 1px var(--glass-border);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.admin-login-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-family: 'Lora', serif;
    font-style: italic;
    font-weight: 400;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radii-sm);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

/* Floating Labels */
.form-floating {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-floating .form-control {
    width: 100%;
    padding: 1.25rem 1rem 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radii-sm);
    transition: all 0.2s ease-in-out;
}

.form-floating .form-control:focus {
    outline: 0;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-floating label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    color: var(--text-muted);
    transition: all 0.2s ease-in-out;
}

.form-floating .form-control:focus~label,
.form-floating .form-control:not(:placeholder-shown)~label {
    transform: scale(0.8) translateY(-0.5rem) translateX(0.15rem);
    color: var(--accent);
}

.form-floating .form-control::placeholder {
    color: transparent;
    /* Hide placeholder text since label handles it */
}

.error-message {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    padding: 1rem;
    border-radius: var(--radii-sm);
    margin-bottom: 2rem;
    font-weight: 500;
    text-align: center;
    font-size: 0.9rem;
}

/* Dashboard List */
.admin-list li {
    background: var(--card-bg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radii-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.admin-list li:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.admin-list strong {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.photo-item {
    position: relative;
    border-radius: var(--radii-md);
    overflow: hidden;
    aspect-ratio: 1;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.photo-item:hover {
    box-shadow: var(--shadow-hover);
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.photo-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    justify-content: space-around;
    opacity: 0;
    transition: var(--transition-fast);
}

.photo-item:hover .photo-actions {
    opacity: 1;
}

.drag-handle {
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Footer Styling */
footer {
    margin-top: 6rem;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

footer p {
    opacity: 0.7;
}

/* Media Queries */
@media (max-width: 900px) {
    .container {
        padding: 0 1.5rem;
        padding-top: 140px;
    }

    header {
        padding: 1.5rem 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .container {
        padding-top: 180px;
    }

    .admin-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .admin-list li>div:last-child {
        width: 100%;
        justify-content: flex-end;
    }
}