/* Galería simple y elegante para Canto Bosque */

:root {
    --bg: #050507;
    --bg-grad: radial-gradient(circle at top, #2b1c23 0, #050507 55%, #020203 100%);
    --panel: rgba(9, 9, 12, 0.96);
    --border: rgba(255, 255, 255, 0.08);
    --accent: #d3a465;
    --accent-soft: rgba(211, 164, 101, 0.18);
    --text: #f5f5f2;
    --muted: #94949c;
}

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

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #000;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

.bg {
    position: fixed;
    inset: 0;
    background: var(--bg-grad);
    background-attachment: fixed;
    z-index: 0;
}

.wrap {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1rem 1.2rem 1.4rem;
}

/* Topbar */

.topbar {
    max-width: 1100px;
    margin: 0 auto 1rem;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(0,0,0,0.95));
    backdrop-filter: blur(16px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 11px;
    border: 1px solid var(--accent-soft);
    background: radial-gradient(circle at 20% 0%, var(--accent-soft), #17151a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #fffaf2;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 0.98rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.brand-sub {
    font-size: 0.72rem;
    color: var(--muted);
}

.top-actions .btn {
    text-decoration: none;
}

/* Botones */

.btn {
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 0.3rem 0.9rem;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    transition: 0.16s ease-out;
}

.btn:hover {
    border-color: var(--accent-soft);
    background: rgba(255, 255, 255, 0.04);
}

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

/* Viewer */

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0.4rem 0;
}

.viewer {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 1rem;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.05);
    background: linear-gradient(145deg, rgba(0,0,0,0.92), rgba(9,9,13,0.98));
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.85);
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 0.75rem;
}

.image-frame {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: #111;
    min-height: min(70vh, 640px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.22s ease-out;
}

.image-frame.zoom img {
    transform: scale(1.1);
}

.nav {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(10, 10, 12, 0.96);
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: 0.16s ease-out;
}

.nav:hover {
    border-color: var(--accent-soft);
    background: rgba(255, 255, 255, 0.06);
}

.controls {
    grid-column: 1 / 4;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.65rem;
    color: var(--muted);
    font-size: 0.8rem;
}

.counter span:first-child {
    color: var(--accent);
    font-weight: 500;
}

/* Footer */

.footer {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
}

/* Responsive */

@media (max-width: 768px) {
    .wrap {
        padding-inline: 0.7rem;
    }

    .topbar {
        padding-inline: 0.8rem;
        border-radius: 18px;
    }

    .viewer {
        grid-template-columns: 1fr;
        row-gap: 0.6rem;
        padding: 0.8rem;
    }

    .nav {
        order: 2;
        width: 36px;
        height: 36px;
    }

    .nav-left {
        justify-self: flex-start;
    }

    .nav-right {
        justify-self: flex-end;
    }

    .image-frame {
        order: 1;
        min-height: 60vh;
    }

    .controls {
        order: 3;
    }
}