:root{--bg-color:#0b1121;--text-color:#f8fafc;--text-secondary:#94a3b8;--text-primary:#fff;--glass-bg:#1e293b;--glass-border:#ffffff0d;--accent:#49d1f8;--accent-hover:#3bb8df;--error:#ef4444;--success:#10b981}:root.light-theme{--bg-color:#f0fdfa;--text-color:#0f172a;--text-secondary:#475569;--text-primary:#0f172a;--glass-bg:#fff;--glass-border:#0000000d;--accent:#49d1f8;--accent-hover:#3bb8df}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background:var(--bg-color);color:var(--text-color);flex-direction:column;min-height:100vh;transition:background-color .3s,color .3s;display:flex}.glass-container{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;width:100%;max-width:480px;margin:auto;padding:2.5rem;box-shadow:0 10px 40px -10px #00000080}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-primary);margin-bottom:.5rem;font-size:.95rem;font-weight:500;display:block}.form-input{background:var(--bg-color);border:1px solid var(--glass-border);width:100%;color:var(--text-color);border-radius:16px;outline:none;padding:1rem 1.25rem;font-size:1rem;transition:all .3s}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #1db95433}.form-input::placeholder{color:#ffffff4d}.btn-primary{background:var(--accent);color:#000;cursor:pointer;border:none;border-radius:12px;width:100%;margin-top:1rem;padding:1rem;font-size:1rem;font-weight:600;transition:all .3s}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 20px #1db9544d}.btn-secondary{width:100%;color:var(--text-primary);border:1px solid var(--glass-border);cursor:pointer;background:#ffffff1a;border-radius:12px;padding:1rem;font-size:1rem;font-weight:600;transition:all .3s}.btn-secondary:hover{background:#ffffff26;transform:translateY(-2px)}.page-title{text-align:center;background:linear-gradient(90deg,#fff,#e2e8f0);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:2rem;font-size:2rem;font-weight:700}.success-message{border:1px solid var(--accent);color:var(--accent);text-align:center;background:#1db9541a;border-radius:12px;margin-bottom:1.5rem;padding:1rem}.error-message{color:#ef4444;text-align:center;background:#ef44441a;border:1px solid #ef4444;border-radius:12px;margin-bottom:1.5rem;padding:1rem}nav{z-index:10;position:absolute;top:1rem;right:1rem}.admin-link{color:var(--text-secondary);font-size:.875rem;text-decoration:none;transition:color .3s}.admin-link:hover{color:var(--text-primary)}.admin-dashboard{gap:2rem;width:100%;max-width:1200px;min-height:80vh;margin:0 auto;display:flex}.admin-sidebar{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;flex-direction:column;gap:1rem;width:250px;padding:2rem 1.5rem;display:flex}.admin-menu-item{cursor:pointer;color:var(--text-secondary);border:1px solid #0000;border-radius:12px;padding:1rem 1.5rem;font-weight:500;transition:all .3s}.admin-menu-item:hover{color:var(--text-primary);background:#ffffff0d}.admin-menu-item.active{color:var(--accent);background:#1db9541a;border-color:#1db95433}.admin-content{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;flex:1;padding:2.5rem}.request-card{border:1px solid var(--glass-border);background:#0003;border-radius:12px;flex-direction:column;gap:.5rem;margin-bottom:1rem;padding:1.5rem;display:flex}.request-header{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding-bottom:.5rem;display:flex}.request-date{color:var(--text-secondary);font-size:.85rem}.request-song{color:var(--text-primary);font-size:1.25rem;font-weight:600}.request-artist{color:var(--accent);font-weight:500}.request-user{color:var(--text-secondary);gap:1rem;font-size:.9rem;display:flex}@media (max-width:768px){.page-title{margin-bottom:1.5rem;font-size:1.9rem}.glass-container{padding:1.5rem}.admin-dashboard{flex-direction:column}.admin-sidebar{width:100%;margin-bottom:1rem}}.challenge-grid{grid-template-columns:1fr 1fr;gap:2rem;display:grid}@media (max-width:900px){.challenge-grid{grid-template-columns:1fr}}@media (max-width:600px){.app-container{border-radius:24px!important;max-width:100%!important;margin-top:1rem!important;padding:1.5rem!important}main{padding:0 0 2rem!important}.main-logo{width:160px!important}}@media print{body *{visibility:hidden}.print-only,.print-only *{visibility:visible}.print-only{width:100%;position:absolute;top:0;left:0;color:#000!important;background:#fff!important;display:block!important}.no-print{display:none!important}@page{margin:2cm}}