/* ==========================================================================
   FOTOGALERIE — Stil angelehnt an secondlifebluesband.de
   Schwarz / Gold — statisch, cookie-frei
   Wird von MBR und SLBB gemeinsam genutzt
   ========================================================================== */

:root {
    --color-black:      #0a0a0a;
    --color-gold:       #c9a227;
    --color-gold-light: #e6c453;
    --color-gold-dark:  #9a7b1c;
    --color-white:      #f5f5f5;
    --color-gray:       #888888;
    --color-gray-dark:  #333333;
    --max-width:        1200px;
    --radius:           4px;
    --transition:       0.3s ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* --- Header --------------------------------------------------------------- */
.header {
    background-color: var(--color-black);
    border-bottom: 1px solid var(--color-gold-dark);
    padding: 1.5rem 0;
    text-align: center;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav a { color: var(--color-gray); padding: 0.3rem 0.6rem; border-radius: var(--radius); border: 1px solid transparent; }
.nav a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.nav a.active { background-color: var(--color-gold); color: var(--color-black); }

.site-title {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.site-subtitle {
    margin-top: 0.4rem;
    font-size: 1rem;
    color: var(--color-gray);
    letter-spacing: 0.05em;
}

/* --- Main ----------------------------------------------------------------- */
main {
    flex: 1;
    padding: 2rem 1rem;
}

.photo-count {
    color: var(--color-gray);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    text-align: right;
}

.no-photos {
    color: var(--color-gray);
    text-align: center;
    padding: 3rem 0;
}

.no-photos code {
    color: var(--color-gold);
    background: var(--color-gray-dark);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

/* --- Grid ----------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

/* --- Item ----------------------------------------------------------------- */
.gallery-item {
    background-color: var(--color-gray-dark);
    border-radius: var(--radius);
    border: 1px solid var(--color-gold-dark);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(201, 162, 39, 0.25);
}

.gallery-item img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    cursor: pointer;
    transition: opacity var(--transition);
}

.gallery-item img:hover { opacity: 0.82; }

/* --- Lightbox ------------------------------------------------------------- */
.lightbox-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.94);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.lightbox-overlay.active { display: flex; }

.lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border: 1px solid var(--color-gold-dark);
    border-radius: var(--radius);
}

.lightbox-close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--color-gold);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition);
    user-select: none;
}

.lightbox-close:hover { color: var(--color-gold-light); }

/* --- Footer --------------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--color-gold-dark);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item img { height: 220px; }
}

@media (min-width: 900px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}