@import "reset.css";
@import "sidebar-layout.css";

/* Root Variables */
: root {
    --primary-color: #333;
    --secondary-color: #666;
    --light-gray: #f5f5f5;
    --border-color: #e7e6e6;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --sidebar-width: 280px;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--white);
    margin: 0;
    padding: 0;
}

/* Layout Container */
.main {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--white);
    padding: 40px 30px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    margin-bottom: 40px;
}

.sidebar-logo h1 {
    font-size: 1.8rem;
    font-weight: 300;
    margin: 0;
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
}

.nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav li {
    margin-bottom: 15px;
}

.nav a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition);
    display: block;
    padding: 8px 0;
}

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

/* Content Area */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 40px;
}

/* Photo Sections */
.photos {
    margin-bottom: 80px;
}

.photos:last-child {
    margin-bottom: 0;
}

.photos header {
    margin-bottom: 30px;
}

.photos header h1 {
    font-size: 2rem;
    font-weight: 300;
    margin: 0;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

/* Masonry Grid Layout */
.image-grid {
    column-count: 3;
    column-gap: 20px;
    margin-bottom: 40px;
}

.image-item {
    break-inside: avoid;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

.image-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.image-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.image-item:hover img {
    transform: scale(1.02);
}

/* Image Caption Overlay */
.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: var(--white);
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: var(--transition);
    font-size: 0.9rem;
}

.image-item:hover .image-caption {
    transform: translateY(0);
}

/* Legacy Grid Support (fallback) */
.landscape-grid,
.portrait-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}

.landscape-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

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

.landscape-grid img,
.portrait-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

.landscape-grid img:hover,
.portrait-grid img:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer h2 {
    font-size: 1.2rem;
    font-weight: 300;
    margin: 0;
    color: var(--secondary-color);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 300;
    line-height: 1.2;
    margin: 0 0 1rem 0;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 1.8rem;
}

h3 {
    font-size: 1.4rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .image-grid {
        column-count: 2;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
    }

    .sidebar-logo {
        margin-bottom: 20px;
        text-align: center;
    }

    .nav {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav li {
        margin: 0 15px 10px 0;
    }

    .content {
        margin-left: 0;
        padding: 20px;
    }

    .image-grid {
        column-count: 1;
        column-gap: 0;
    }

    .landscape-grid {
        grid-template-columns: 1fr;
    }

    .portrait-grid {
        grid-template-columns: 1fr;
    }

    .footer {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .photos header h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 15px;
    }

    .image-item {
        margin-bottom: 15px;
    }

    .photos {
        margin-bottom: 50px;
    }
}

/* Utilities */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Loading States */
.image-item.loading {
    background-color: var(--light-gray);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* Focus States for Accessibility */
.nav a:focus,
.image-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .sidebar {
        display: none;
    }

    .content {
        margin-left: 0;
    }

    .image-item:hover .image-caption {
        transform: translateY(0);
    }
}