/* ============================================================
   style.css  –  Photo Gallery  (Dark-Luxury Edition)
   ============================================================ */

/* ── CSS Variables ────────────────────────────────────────── */
:root {
    --bg-deep:        #0a0c10;
    --bg-card:        #12151c;
    --bg-card-hover:  #1a1f2e;
    --glass:          rgba(18, 21, 28, 0.72);
    --glass-border:   rgba(255,255,255,0.07);
    --accent:         #c9a227;          /* gold */
    --accent-dim:     rgba(201,162,39,0.25);
    --accent-glow:    rgba(201,162,39,0.55);
    --text-primary:   #f0eee9;
    --text-secondary: #8a8d99;
    --text-muted:     #555a6a;
    --radius:         14px;
    --radius-sm:      8px;
    --shadow-card:    0 8px 32px rgba(0,0,0,0.45);
    --shadow-glow:    0 0 30px var(--accent-glow);
    --transition:     0.35s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; color: inherit; font-family: inherit; }
input, select, textarea {
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    outline: none;
    transition: border-color var(--transition);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

/* ── Animated Background Mesh ─────────────────────────────── */
body::before {
    content: '';
    position: fixed; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 20%, rgba(201,162,39,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 50% 60% at 85% 75%, rgba(60,80,180,0.07) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 50% 50%, rgba(201,162,39,0.03) 0%, transparent 60%);
    animation: meshDrift 18s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes meshDrift {
    0%   { transform: scale(1) rotate(0deg); }
    100% { transform: scale(1.08) rotate(2deg); }
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar            { width: 8px; }
::-webkit-scrollbar-track      { background: var(--bg-deep); }
::-webkit-scrollbar-thumb      { background: var(--text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover{ background: var(--accent); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(18px) saturate(1.4);
    background: var(--glass);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 clamp(20px, 5vw, 60px);
}
.nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.logo { font-size: 1.45rem; font-weight: 700; letter-spacing: -0.5px; }
.logo span { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 14px; }

/* ── Admin toggle btn ─────────────────────────────────────── */
.btn-admin-toggle {
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    transition: background var(--transition), box-shadow var(--transition);
}
.btn-admin-toggle:hover {
    background: var(--accent);
    color: var(--bg-deep);
    box-shadow: var(--shadow-glow);
}

/* ============================================================
   HERO / BANNER
   ============================================================ */
.hero {
    position: relative;
    text-align: center;
    padding: 80px 20px 60px;
    z-index: 1;
}
.hero h1 {
    font-size: clamp(2rem, 6vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroSlideIn 0.8s cubic-bezier(.4,0,.2,1) both;
}
.hero p {
    margin-top: 14px;
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 540px;
    margin-left: auto; margin-right: auto;
    animation: heroSlideIn 0.8s 0.15s cubic-bezier(.4,0,.2,1) both;
}
@keyframes heroSlideIn {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Search bar ───────────────────────────────────────────── */
.search-wrap {
    margin-top: 26px;
    animation: heroSlideIn 0.8s 0.3s cubic-bezier(.4,0,.2,1) both;
}
.search-wrap input {
    width: min(380px, 90%);
    padding: 12px 22px 12px 48px;
    border-radius: 50px;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%238a8d99' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 16px center;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-wrap input:focus { border-color: var(--accent); box-shadow: 0 0 16px var(--accent-dim); }
.search-wrap input::placeholder { color: var(--text-muted); }

/* ============================================================
   FILTER TABS  (All / Class / Club)
   ============================================================ */
.filter-tabs {
    display: flex; justify-content: center; gap: 10px;
    flex-wrap: wrap;
    margin: 30px auto 0;
    z-index: 1; position: relative;
    animation: heroSlideIn 0.8s 0.4s cubic-bezier(.4,0,.2,1) both;
}
.filter-tab {
    padding: 9px 24px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all var(--transition);
}
.filter-tab:hover                  { border-color: var(--accent); color: var(--text-primary); }
.filter-tab.active, .filter-tab[data-active="true"] {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
    box-shadow: 0 4px 18px var(--accent-dim);
}

/* ============================================================
   CATEGORY GRID
   ============================================================ */
.section-title {
    position: relative; z-index: 1;
    text-align: center;
    margin: 50px 0 24px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.section-title::after {
    content: '';
    display: block;
    width: 50px; height: 2px;
    background: var(--accent);
    margin: 10px auto 0;
    border-radius: 2px;
}

.categories-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 40px);
    position: relative; z-index: 1;
}

/* Drag-and-drop drop-zone highlight for category groups */
.category-group {
    margin-bottom: 10px;
    transition: background var(--transition);
    border-radius: var(--radius);
    padding: 6px;
}
.category-group.drag-over {
    background: var(--accent-dim);
    outline: 2px dashed var(--accent);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    padding: 10px 0;
}

/* ── Category Card ────────────────────────────────────────── */
.cat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    animation: cardFadeUp 0.5s cubic-bezier(.4,0,.2,1) both;
    position: relative;
}
.cat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 14px 44px rgba(0,0,0,0.6), 0 0 20px var(--accent-dim);
    border-color: var(--accent);
}

/* staggered entrance */
.cat-card:nth-child(1)  { animation-delay: 0.05s; }
.cat-card:nth-child(2)  { animation-delay: 0.10s; }
.cat-card:nth-child(3)  { animation-delay: 0.15s; }
.cat-card:nth-child(4)  { animation-delay: 0.20s; }
.cat-card:nth-child(5)  { animation-delay: 0.25s; }
.cat-card:nth-child(6)  { animation-delay: 0.30s; }
.cat-card:nth-child(7)  { animation-delay: 0.35s; }
.cat-card:nth-child(8)  { animation-delay: 0.40s; }
.cat-card:nth-child(9)  { animation-delay: 0.45s; }
.cat-card:nth-child(10) { animation-delay: 0.50s; }
.cat-card:nth-child(11) { animation-delay: 0.55s; }
.cat-card:nth-child(12) { animation-delay: 0.60s; }

@keyframes cardFadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

.cat-card-img {
    height: 140px;
    background: linear-gradient(135deg, #1e2233, #2a2d3a);
    position: relative;
    overflow: hidden;
}
/* Placeholder shimmer when no cover */
.cat-card-img::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(110deg, transparent 33%, rgba(255,255,255,0.04) 50%, transparent 66%);
    background-size: 200% 100%;
    animation: shimmer 2.2s linear infinite;
}
@keyframes shimmer {
    to { background-position: -200% 0; }
}

.cat-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity var(--transition), transform var(--transition);
}
.cat-card:hover .cat-card-img img { opacity: 1; transform: scale(1.06); }

.cat-card-body { padding: 16px 18px 18px; }
.cat-card-body .cat-icon { font-size: 1.3rem; }
.cat-card-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cat-card-body p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    min-height: 2.2em;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.cat-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--glass-border);
}
.cat-card-footer .badge {
    font-size: 0.74rem;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 50px;
    font-weight: 600;
}
.cat-card-footer .type-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* ── Admin card overlay actions ───────────────────────────── */
.cat-card-actions {
    position: absolute; top: 10px; right: 10px;
    display: none;
    gap: 6px;
    z-index: 2;
}
.cat-card:hover .cat-card-actions { display: flex; }
.cat-card-actions button {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(10,12,16,0.75);
    backdrop-filter: blur(6px);
    border: 1px solid var(--glass-border);
    font-size: 0.9rem;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition), transform var(--transition);
}
.cat-card-actions button:hover { background: var(--accent); color: var(--bg-deep); transform: scale(1.1); }

/* ── Drag handle ──────────────────────────────────────────── */
.drag-handle {
    position: absolute; top: 10px; left: 10px;
    width: 28px; height: 28px;
    border-radius: 6px;
    background: rgba(10,12,16,0.7);
    backdrop-filter: blur(6px);
    border: 1px solid var(--glass-border);
    display: none; align-items: center; justify-content: center;
    cursor: grab;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: background var(--transition);
}
.cat-card:hover .drag-handle { display: flex; }
.drag-handle:active { cursor: grabbing; background: var(--accent-dim); }

/* Dragging state */
.cat-card.dragging {
    opacity: 0.45;
    transform: scale(0.96);
    box-shadow: none;
}
.cat-card.drag-over-target {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 2px var(--accent), var(--shadow-card);
}

/* ============================================================
   PHOTO GALLERY VIEW  (shown when a category is clicked)
   ============================================================ */
.gallery-view {
    display: none;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 40px) 60px;
    position: relative; z-index: 1;
}
.gallery-view.active { display: block; }

.gallery-back {
    display: inline-flex; align-items: center; gap: 8px;
    margin: 30px 0 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: color var(--transition);
}
.gallery-back:hover { color: var(--accent); }

.gallery-header {
    display: flex; align-items: flex-end; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
    padding: 22px 0 18px;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 28px;
}
.gallery-header h2 { font-size: 1.7rem; font-weight: 800; }
.gallery-header .gallery-meta { color: var(--text-muted); font-size: 0.82rem; margin-top: 4px; }

/* ── Upload drop-zone ─────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
    margin-bottom: 22px;
    display: none;
}
.upload-zone.active { display: block; }
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-dim);
}
.upload-zone .upload-icon { font-size: 1.8rem; margin-bottom: 6px; }
.upload-zone input[type="file"] { display: none; }

/* ── Photo Masonry Grid ───────────────────────────────────── */
.photo-grid {
    columns: 4;
    column-gap: 16px;
}
@media (max-width: 1024px) { .photo-grid { columns: 3; } }
@media (max-width: 640px)  { .photo-grid { columns: 2; } }
@media (max-width: 400px)  { .photo-grid { columns: 1; } }

.photo-card {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    background: var(--bg-card);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--glass-border);
    animation: cardFadeUp 0.45s cubic-bezier(.4,0,.2,1) both;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}
.photo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.55), 0 0 18px var(--accent-dim);
}

.photo-card img {
    width: 100%;
    display: block;
    transition: transform 0.5s cubic-bezier(.4,0,.2,1);
}
.photo-card:hover img { transform: scale(1.04); }

/* Overlay on hover */
.photo-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition);
    display: flex; align-items: flex-end; justify-content: space-between;
    padding: 14px;
}
.photo-card:hover .photo-overlay { opacity: 1; }

.photo-overlay .photo-caption {
    font-size: 0.82rem;
    color: var(--text-primary);
    font-weight: 600;
    max-width: 60%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.photo-overlay-actions { display: flex; gap: 6px; }
.photo-overlay-actions button {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(10,12,16,0.8);
    backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    font-size: 0.88rem;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition), transform var(--transition);
}
.photo-overlay-actions button:hover { background: var(--accent); color: var(--bg-deep); transform: scale(1.12); }

/* Drag-drop states for photos */
.photo-card.dragging-photo { opacity: 0.35; }
.photo-card.drop-target    { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
    display: none;
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(8px);
    align-items: center; justify-content: center;
    flex-direction: column;
    animation: fadeIn 0.25s ease;
}
.lightbox.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox-close {
    position: absolute; top: 22px; right: 28px;
    font-size: 1.8rem;
    color: var(--text-secondary);
    z-index: 2001;
    transition: color var(--transition);
}
.lightbox-close:hover { color: var(--accent); }

.lightbox-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    font-size: 2.2rem;
    color: var(--text-secondary);
    z-index: 2001;
    padding: 10px 18px;
    transition: color var(--transition);
    user-select: none;
}
.lightbox-nav:hover { color: var(--accent); }
.lightbox-nav.prev { left: 8px; }
.lightbox-nav.next { right: 8px; }

.lightbox-img-wrap {
    max-width: 88vw;
    max-height: 78vh;
    display: flex; align-items: center; justify-content: center;
}
.lightbox-img-wrap img {
    max-width: 100%;
    max-height: 78vh;
    border-radius: 10px;
    box-shadow: 0 16px 60px rgba(0,0,0,0.7);
    transition: opacity 0.22s;
}

.lightbox-info {
    margin-top: 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.88rem;
}
.lightbox-info .lb-caption { color: var(--text-primary); font-weight: 600; font-size: 0.95rem; }

.lightbox-actions {
    margin-top: 14px;
    display: flex; gap: 12px;
}
.lightbox-actions button {
    padding: 8px 22px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 600;
    transition: background var(--transition), border-color var(--transition);
}
.lightbox-actions button:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
}

/* keyboard hint */
.lightbox-keys {
    position: absolute; bottom: 18px;
    color: var(--text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.6px;
}

/* ============================================================
   ADMIN PANEL  (modal)
   ============================================================ */
.admin-modal-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 3000;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(4px);
    align-items: center; justify-content: center;
}
.admin-modal-overlay.active { display: flex; }

.admin-modal {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    width: 90%;
    max-width: 460px;
    padding: 32px 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    position: relative;
    animation: modalPop 0.3s cubic-bezier(.4,0,.2,1) both;
}
@keyframes modalPop {
    from { opacity: 0; transform: translateY(30px) scale(0.94); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.admin-modal h3 { font-size: 1.3rem; margin-bottom: 22px; }
.admin-modal .close-modal {
    position: absolute; top: 18px; right: 22px;
    font-size: 1.4rem;
    color: var(--text-muted);
    transition: color var(--transition);
}
.admin-modal .close-modal:hover { color: var(--accent); }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; }
.form-row input, .form-row select, .form-row textarea {
    width: 100%;
    padding: 11px 14px;
}
.form-row textarea { height: 72px; resize: vertical; }

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: var(--bg-deep);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    transition: box-shadow var(--transition), filter var(--transition);
    margin-top: 10px;
}
.btn-primary:hover { box-shadow: var(--shadow-glow); filter: brightness(1.1); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-danger {
    background: rgba(220,50,50,0.18);
    color: #e06060;
    border: 1px solid rgba(220,50,50,0.35);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    transition: background var(--transition);
}
.btn-danger:hover { background: rgba(220,50,50,0.35); }

/* Login card */
.login-card { max-width: 380px; }
.login-card .login-logo { text-align: center; font-size: 2rem; margin-bottom: 28px; }
.login-card .login-logo span { color: var(--accent); }
.login-error {
    background: rgba(220,50,50,0.15);
    border: 1px solid rgba(220,50,50,0.3);
    color: #e08080;
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    margin-bottom: 14px;
    display: none;
}
.login-error.show { display: block; }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
    position: fixed; top: 24px; right: 24px;
    z-index: 5000;
    display: flex; flex-direction: column; gap: 10px;
    pointer-events: none;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 0.88rem;
    color: var(--text-primary);
    box-shadow: 0 8px 28px rgba(0,0,0,0.5);
    pointer-events: auto;
    animation: toastSlide 0.35s cubic-bezier(.4,0,.2,1) both;
    display: flex; align-items: center; gap: 10px;
    min-width: 220px;
}
.toast.success { border-left: 3px solid #5cb85c; }
.toast.error   { border-left: 3px solid #e06060; }
.toast.info    { border-left: 3px solid var(--accent); }
.toast.hiding  { animation: toastSlide 0.3s cubic-bezier(.4,0,.2,1) reverse both; }

@keyframes toastSlide {
    from { opacity: 0; transform: translateX(110%); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner-wrap {
    display: flex; justify-content: center; align-items: center;
    padding: 60px 0;
}
.spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 600px) {
    .nav-inner { height: 56px; }
    .logo { font-size: 1.1rem; }
    .btn-admin-toggle { padding: 6px 12px; font-size: 0.75rem; }
    .hero { padding: 50px 16px 36px; }
    .gallery-header { flex-direction: column; align-items: flex-start; }
    .lightbox-nav { font-size: 1.6rem; padding: 8px 12px; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }