:root {
    --ch-dark: #121212; --ch-darker: #0a0a0a; --ch-card-bg: #1e1e1e;
    --ch-gold-main: #D4AF37; --ch-gold-dark: #AA771C;
    --ch-gold-gradient: linear-gradient(135deg, #BF953F, #FCF6BA, #B38728, #FBF5B7, #AA771C);
    --ch-text: #e0e0e0; --ch-font-heading: 'Cinzel', serif; --ch-font-body: 'Montserrat', sans-serif;
}

.ch-gallery-wrapper, .ch-stats-container, .ch-dashboard-wrapper, .ch-form {
    font-family: var(--ch-font-body); box-sizing: border-box;
}
.ch-gallery-wrapper *, .ch-stats-container *, .ch-dashboard-wrapper *, .ch-form * { box-sizing: border-box; }
.ch-gold-text { background: var(--ch-gold-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: bold; }

/* Forms */
.ch-form { max-width: 700px; margin: 40px auto; padding: 30px; background: #fff; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,.12); color: #333; }
.ch-form h2 { text-align: center; margin-bottom: 20px; color: var(--ch-gold-dark); font-family: var(--ch-font-heading); }
.ch-form input { width: 100%; padding: 15px; margin-bottom: 15px; border: 1px solid #ddd; border-radius: 10px; }
.ch-form button { width: 100%; padding: 16px; border: none; border-radius: 10px; cursor: pointer; font-size: 18px; background: #b28a35; color: #fff; font-family: var(--ch-font-heading); font-weight: 600; transition: background 0.3s ease; }
.ch-form button:hover { background: var(--ch-gold-dark); }
#response, #cert_response { margin-top: 15px; text-align: center; font-weight: bold; }

/* Masonry Gallery */
.ch-masonry-grid { column-count: 1; column-gap: 20px; padding: 20px 0; }
@media (min-width: 600px) { .ch-masonry-grid { column-count: 2; } }
@media (min-width: 900px) { .ch-masonry-grid { column-count: 3; } }
@media (min-width: 1200px) { .ch-masonry-grid { column-count: 4; } }
.ch-gallery-item { break-inside: avoid; margin-bottom: 20px; background: var(--ch-card-bg); border-radius: 12px; overflow: hidden; cursor: pointer; transition: transform 0.3s ease; border: 1px solid rgba(212, 175, 55, 0.2); }
.ch-gallery-item:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
.ch-img-container { position: relative; width: 100%; overflow: hidden; }
.ch-img-container img { width: 100%; height: auto; display: block; transition: transform 0.5s ease; }
.ch-gallery-item:hover .ch-img-container img { transform: scale(1.05); }

.ch-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: flex; flex-direction: column; gap: 15px; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.ch-gallery-item:hover .ch-overlay { opacity: 1; }
.ch-zoom-icon { color: var(--ch-dark); background: var(--ch-gold-gradient); padding: 8px 16px; border-radius: 20px; font-weight: 600; text-transform: uppercase; font-size: 0.8rem; }
.ch-dl-icon { background: #fff; color: var(--ch-dark); padding: 8px 16px; border-radius: 20px; font-weight: 600; font-size: 0.8rem; text-decoration: none; }
.ch-dl-icon:hover { background: #e0e0e0; }
.ch-entry-meta { padding: 15px; text-align: center; color: var(--ch-text); }
.ch-title { margin: 0 0 5px 0; font-family: var(--ch-font-heading); color: var(--ch-gold-main); font-size: 1.1rem; }
.ch-id { font-size: 0.8rem; color: #888; }

/* Modal */
.ch-modal { display: none; position: fixed; z-index: 99999; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(10,10,10,0.95); backdrop-filter: blur(5px); opacity: 0; transition: opacity 0.3s ease; }
.ch-modal.show { display: flex; align-items: center; justify-content: center; opacity: 1; }
.ch-modal-content { position: relative; max-width: 90%; max-height: 90vh; text-align: center; }
.ch-modal-content img { max-width: 100%; max-height: 75vh; border-radius: 8px; border: 2px solid var(--ch-gold-dark); }
#ch-modal-caption { color: #fff; padding-top: 15px; }
#ch-modal-title { color: var(--ch-gold-main); font-family: var(--ch-font-heading); margin: 0 0 5px 0; }
.ch-modal-btn { display: inline-block; margin-top: 10px; padding: 10px 20px; background: var(--ch-gold-main); color: #fff; text-decoration: none; border-radius: 5px; font-weight: bold; }
.ch-close { position: absolute; top: 20px; right: 30px; color: #fff; font-size: 40px; font-weight: bold; cursor: pointer; z-index: 100000; }

/* Dashboards */
.premium-gold-theme { background: var(--ch-darker); padding: 40px; border-radius: 20px; border: 1px solid rgba(212, 175, 55, 0.3); color: var(--ch-text); }
.ch-header { text-align: center; margin-bottom: 40px; }
.ch-header h2 { font-family: var(--ch-font-heading); color: var(--ch-gold-main); font-size: 2.5rem; margin-bottom: 10px; text-transform: uppercase; }
.ch-grid { display: grid; gap: 20px; margin-bottom: 40px; }
.ch-top-stats { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.ch-winners-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.ch-card, .ch-winner-card { background: var(--ch-card-bg); padding: 30px 20px; border-radius: 15px; text-align: center; border: 1px solid rgba(255,255,255,0.05); position: relative; overflow: hidden; }
.ch-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--ch-gold-gradient); }
.ch-card h3, .ch-winner-card h4 { font-family: var(--ch-font-heading); margin: 0 0 15px 0; color: #bbb; font-size: 1.1rem; text-transform: uppercase; }
.ch-amount, .ch-prize-amount { font-size: 2.2rem; font-weight: 700; font-family: var(--ch-font-body); }
.ch-medal { font-size: 3rem; margin-bottom: 10px; }
.ch-rank-1 { border: 2px solid var(--ch-gold-main); background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--ch-card-bg) 100%);}
.ch-rank-1 .ch-prize-amount { color: var(--ch-gold-main); font-size: 2.5rem;}
.ch-consolation-prize .ch-card { max-width: 400px; margin: 0 auto; }

/* Mini Dashboard Scroll */
.ch-mini { padding: 20px; }
.ch-mini-scroll-container { display: flex; flex-wrap: nowrap; overflow-x: auto; gap: 15px; padding-bottom: 10px; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.ch-mini-scroll-container::-webkit-scrollbar { height: 6px; }
.ch-mini-scroll-container::-webkit-scrollbar-thumb { background: var(--ch-gold-main); border-radius: 3px; }
.ch-mini-scroll-container .ch-card { flex: 0 0 auto; width: 140px; padding: 15px 10px; text-align: center; }
.ch-mini-scroll-container .ch-amount { font-size: 1.4rem; }