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var(--border);border-radius:var(--radius);position:relative;transition:var(--transition);cursor:pointer;min-height:100px;}.upload-zone:hover,.upload-zone.dragover{border-color:var(--border-accent);background:rgba(0,229,255,.03);}.upload-input{position:absolute;inset:0;opacity:0;cursor:pointer;z-index:2;width:100%;height:100%;}.upload-zone-content{padding:1.5rem;text-align:center;}.upload-zone-icon{font-size:1.8rem;color:var(--text-muted);margin-bottom:.5rem;}.upload-zone-text{font-size:.9rem;color:var(--text-secondary);}.upload-zone-text strong{color:var(--accent);}.upload-zone-hint{font-size:.78rem;color:var(--text-muted);margin-top:.3rem;}.upload-preview{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;position:relative;z-index:1;}.upload-preview-icon{font-size:1.4rem;color:var(--accent);flex-shrink:0;}.upload-preview span{font-size:.85rem;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}.upload-preview-size{color:var(--text-muted) !important;font-weight:400 !important;font-size:.78rem !important;flex:0 !important;}.upload-remove-btn{width:28px;height:28px;border-radius:50%;background:rgba(239,68,68,.15);color:#f87171;border:none;display:flex;align-items:center;justify-content:center;font-size:.75rem;transition:var(--transition);flex-shrink:0;z-index:3;position:relative;}.upload-remove-btn:hover{background:rgba(239,68,68,.3);}.cover-preview-wrap{display:flex;align-items:center;justify-content:center;padding:1rem;gap:1rem;position:relative;z-index:1;}.cover-preview-img{width:80px;height:80px;object-fit:cover;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);}.upload-remove-cover{position:absolute;top:.5rem;right:.5rem;}.upload-progress{margin-top:.75rem;height:4px;background:rgba(255,255,255,.08);border-radius:2px;overflow:hidden;}.upload-progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:2px;width:30%;animation:progressPulse 1.5s ease-in-out infinite;animation-play-state:paused;}.btn-submit{position:relative;}.btn-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:inherit;border-radius:inherit;}.track-hero{display:grid;grid-template-columns:280px 1fr;gap:3rem;align-items:start;padding:3rem 1.5rem;max-width:1000px;margin:0 auto;}.track-cover-wrap{position:relative;}.track-cover{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:block;}.track-play-overlay{position:absolute;inset:0;border-radius:var(--radius-lg);background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition);}.track-cover-wrap:hover .track-play-overlay{opacity:1;}.track-play-btn{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#00b4cc);color:#000;font-size:1.5rem;display:flex;align-items:center;justify-content:center;transition:var(--transition);border:none;}.track-play-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-glow);}.track-info{padding-top:.5rem;}.track-country-tag{display:inline-flex;align-items:center;gap:.4rem;background:var(--bg-card);border:1px solid var(--border);border-radius:50px;padding:.3rem .8rem;font-size:.8rem;color:var(--text-secondary);margin-bottom:1rem;}.track-country-tag img{width:18px;height:13px;object-fit:cover;border-radius:2px;}.track-title{font-size:clamp(1.6rem,4vw,2.8rem);font-weight:800;line-height:1.2;margin-bottom:.4rem;}.track-artist{font-size:1.1rem;color:var(--accent);margin-bottom:1.5rem;}.track-meta{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:1.5rem;}.track-actions{display:flex;gap:.75rem;flex-wrap:wrap;}.results-podium{display:flex;gap:1rem;justify-content:center;align-items:flex-end;margin-bottom:3rem;flex-wrap:wrap;}.podium-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem 1rem;text-align:center;transition:var(--transition);min-width:180px;}.podium-card.rank-1{border-color:var(--accent-gold);box-shadow:0 0 30px rgba(245,158,11,.2);transform:translateY(-12px);}.podium-card.rank-2{border-color:rgba(203,213,225,.3);}.podium-card.rank-3{border-color:rgba(205,127,50,.3);}.podium-rank{font-size:2.5rem;font-weight:900;}.rank-1 .podium-rank{color:var(--accent-gold);}.rank-2 .podium-rank{color:#94a3b8;}.rank-3 .podium-rank{color:#cd7f32;}.podium-cover{width:100px;height:100px;object-fit:cover;border-radius:var(--radius);margin:.75rem auto;}.podium-title{font-weight:700;font-size:.9rem;margin-bottom:.2rem;}.podium-artist{color:var(--text-muted);font-size:.8rem;margin-bottom:.5rem;}.podium-points{font-size:1.1rem;font-weight:800;color:var(--accent);}.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:calc(80vh - var(--nav-height));padding:2rem 1rem;}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:2.5rem;max-width:440px;width:100%;}.auth-card-icon{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:1.8rem;color:#000;}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;margin-bottom:2rem;}.dashboard-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;}.dashboard-card h3{font-size:1rem;margin-bottom:1rem;color:var(--text-secondary);font-weight:600;}@keyframes spin{to{transform:rotate(360deg);}}@keyframes progressPulse{0%{transform:translateX(-100%);}100%{transform:translateX(400%);}}@keyframes fadeInUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}.animate-in{animation:fadeInUp .4s ease forwards;}@media (max-width:900px){.footer-content{grid-template-columns:1fr 1fr;}.player-container{grid-template-columns:auto 1fr auto;}.player-volume-section{display:none;}.player-progress-bar{min-width:120px;}.track-hero{grid-template-columns:1fr;}.track-cover{max-width:280px;margin:0 auto;}}@media (max-width:640px){.navbar{padding:0 1rem;}.navbar-nav{display:none;position:fixed;top:var(--nav-height);left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:1rem;flex-direction:column;gap:.25rem;z-index:899;}.navbar-nav.active{display:flex;}.navbar-nav a{padding:.65rem 1rem;border-radius:var(--radius-sm);}.nav-btn-text{display:none;}.mobile-menu-btn{display:block;}.submit-card-header,.submit-card form,.submit-rules,.existing-entry{padding-left:1.25rem;padding-right:1.25rem;}.footer-content{grid-template-columns:1fr;}.songs-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));}.player-container{grid-template-columns:auto 1fr auto;gap:.5rem;padding:0 .75rem;}.player-progress-section{display:none;}.hero{padding:2rem 1rem 3rem;}}.track-detail-cover-wrap{position:relative;flex-shrink:0;width:260px;height:260px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg),0 0 40px rgba(0,229,255,.1);}.track-detail-cover{width:100%;height:100%;object-fit:cover;display:block;transition:filter .3s ease;}.track-detail-cover-wrap:hover .track-detail-cover{filter:brightness(.55);}.track-detail-overlay{position:absolute;inset:0;background:radial-gradient(ellipse 80% 80% at 50% 100%,rgba(0,0,0,.5),transparent);pointer-events:none;}.track-detail-play-btn{position:absolute;bottom:1rem;left:50%;transform:translateX(-50%) scale(1);width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#00b4cc);border:none;color:#000;font-size:1.4rem;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px rgba(0,229,255,.45),0 2px 8px rgba(0,0,0,.6);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;z-index:2;}.track-detail-play-btn:hover{transform:translateX(-50%) scale(1.1);box-shadow:0 6px 28px rgba(0,229,255,.6),0 2px 12px rgba(0,0,0,.7);}.track-detail-play-btn.is-playing{background:linear-gradient(135deg,var(--accent-2),#9f67f5);color:#fff;box-shadow:0 4px 20px rgba(124,58,237,.5),0 2px 8px rgba(0,0,0,.6);}.track-detail-cover-wrap:hover .track-detail-play-btn{transform:translateX(-50%) scale(1.12);}@media (max-width:600px){.track-detail-cover-wrap{width:200px;height:200px;margin:0 auto;}.track-detail-play-btn{width:56px;height:56px;font-size:1.2rem;}}