:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --border: rgba(255, 255, 255, 0.1);
    --glass: blur(12px);
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover,
nav a.active {
    color: var(--accent);
}

.filters {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Filter Buttons */
.filter-btn {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: var(--glass);
    text-decoration: none;
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--accent);
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 6px -1px rgba(56, 189, 248, 0.25);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.photo-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    backdrop-filter: var(--glass);
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.photo-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.photo-info {
    padding: 1.5rem;
}

.photo-title {
    font-size: 1.25rem;
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.photo-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(56, 189, 248, 0.2), 0 2px 4px -1px rgba(56, 189, 248, 0.1);
    letter-spacing: 0.025em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(56, 189, 248, 0.4), 0 4px 6px -2px rgba(56, 189, 248, 0.2);
    filter: brightness(1.1);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

input[type="text"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
}

input[type="file"] {
    padding: 0.75rem;
    border: 1px dashed var(--border);
    border-radius: 0.5rem;
    width: 100%;
    cursor: pointer;
}

/* Full view */
.full-view-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.full-image-wrapper {
    background: black;
    border-radius: 0.5rem;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.full-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    /* Full resolution without altering */
}

.sidebar {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    height: fit-content;
    border: 1px solid var(--border);
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent);
    border-radius: 9999px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .full-view-container {
        grid-template-columns: 1fr;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox img {
    max-width: 95%;
    max-height: 95vh;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    line-height: 0.5;
}

.lightbox-close:hover {
    opacity: 1;
}

/* Make image clickable hint */
.full-image-wrapper img,
.photo-img {
    cursor: zoom-in;
}