:root{--bg-color: #0f1014;--surface-color: #1b1d22;--primary-color: #646cff;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(155deg, #5a5a5a 0%, #2b2b2b 40%, #1a1a1a 60%, #4a4a4a 100%);--secondary-border: rgba(255,255,255,.2);--secondary-border-hover: rgba(255,255,255,.35);--secondary-shadow: 0 6px 14px rgba(0,0,0,.35);--text-primary: #ffffff;--text-secondary: #a1a1aa;--highlight-color: #ff0080;--font-family: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100vh}*{box-sizing:border-box}a{text-decoration:none;color:inherit}button{cursor:pointer}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.container{max-width:1200px;margin:0 auto;padding:0 20px}.auth-controls{display:flex;align-items:center}.auth-controls__desktop{display:flex;align-items:center;gap:12px}.auth-controls__details{display:flex;flex-direction:column;line-height:1.2}.auth-controls__name{font-size:.9rem}.auth-controls__email{font-size:.75rem;color:var(--text-secondary)}.auth-controls__signout{padding:8px 12px}.auth-controls__mobile{display:none;position:relative}.auth-controls__toggle{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px 8px;background:#ffffff0f;color:var(--text-primary)}.auth-controls__avatar,.auth-controls__avatar-image{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#764ba24d;color:#fff;font-size:.7rem;font-weight:600;text-transform:uppercase}.auth-controls__avatar-image{object-fit:cover}.auth-controls__menu{position:absolute;top:calc(100% + 8px);right:0;min-width:200px;background:var(--surface-color);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:10px;box-shadow:0 12px 24px #0006;z-index:20}.auth-controls__menu-details{display:flex;flex-direction:column;gap:4px}.song-page{height:100vh;display:flex;flex-direction:column;background:var(--bg-color)}.song-page__header{padding:20px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.05)}.song-page__titles{display:flex;flex-direction:column;min-width:0;flex:1}.song-page__title{margin:0;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-page__artist{font-size:.8rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-page__content{flex:1;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;padding:20px;overflow:hidden}.song-page__video-column{display:flex;flex-direction:column;gap:20px;min-height:0}.song-page__video{flex:1;min-height:0}.song-page__lyrics{min-height:0}.song-page__edit-label--mobile{display:none}.homepage-video{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:#0f1014}.homepage-video iframe{position:absolute;top:50%;left:50%;width:100vw;height:56.25vw;min-width:177.78vh;min-height:100vh;transform:translate(-50%,-50%)}.homepage-video__overlay{position:absolute;inset:0;background:#0f1014b3}.homepage-content{position:relative;z-index:1}@media(max-width:900px){.homepage-video{display:none}}@media(max-width:640px){.auth-controls__desktop{display:none}.auth-controls__mobile{display:flex}.auth-controls__name{font-size:.85rem}.auth-controls__email{font-size:.7rem}.auth-controls__signout{padding:6px 10px;font-size:.8rem}.song-page__content{grid-template-columns:minmax(0,1fr);padding:16px;gap:16px}.song-page__video{flex:0 0 auto;width:100%;aspect-ratio:16 / 9}.song-page__edit-btn{padding:6px 10px!important}.song-page__edit-label{font-size:.75rem}.song-page__edit-label--desktop{display:none}.song-page__edit-label--mobile{display:inline}.song-page__cast-btn{padding:0!important;width:32px;height:32px;min-width:32px;display:inline-flex;align-items:center;justify-content:center;line-height:0;gap:0;color:#fff!important}.song-page__cast-btn svg{display:block;width:18px;height:18px;stroke:currentColor}.song-page__cast-label{display:none}}.song-page__cast-icon--loading{animation:song-page-cast-spin 1.2s linear infinite}@keyframes song-page-cast-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.title-gradient{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:800}.btn-primary{background:var(--primary-gradient);border:none;border-radius:8px;padding:12px 24px;color:#fff;font-weight:600;transition:transform .2s,opacity .2s;box-shadow:0 4px 15px #764ba266}.btn-primary:hover{transform:translateY(-2px);opacity:.9}.btn-primary.btn-icon-primary{padding:0;width:56px;min-width:56px;display:inline-flex;align-items:center;justify-content:center}.tooltip{position:relative}.tooltip[data-tooltip]:hover:after,.tooltip[data-tooltip]:focus-visible:after{content:attr(data-tooltip);position:absolute;right:0;bottom:calc(100% + 10px);z-index:10;padding:8px 10px;border-radius:10px;background:var(--surface-color);border:1px solid rgba(255,255,255,.12);color:var(--text-primary);font-size:.85rem;font-weight:600;white-space:nowrap;box-shadow:0 10px 24px #00000073}.btn-secondary{background:var(--secondary-gradient)!important;border:1px solid var(--secondary-border)!important;border-radius:8px;color:var(--text-primary)!important;font-weight:600;box-shadow:var(--secondary-shadow);transition:transform .2s,border-color .2s,box-shadow .2s}.btn-secondary:hover{transform:translateY(-1px);border-color:var(--secondary-border-hover);box-shadow:0 8px 18px #00000073}.btn-secondary:active{transform:translateY(0)}.btn-secondary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.card{background:var(--surface-color);border-radius:12px;padding:20px;border:1px solid rgba(255,255,255,.05);transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-2px);border-color:#ffffff1a}.input-field{width:100%;padding:16px;background:var(--surface-color);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:1.1rem;outline:none;transition:border-color .3s}.input-field:focus{border-color:#764ba2}