:root{--color-bg-primary: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-card: rgba(255, 255, 255, .04);--color-bg-card-hover: rgba(255, 255, 255, .08);--color-bg-glass: rgba(255, 255, 255, .06);--color-border: rgba(255, 255, 255, .08);--color-border-light: rgba(255, 255, 255, .12);--color-text-primary: #f0f0f5;--color-text-secondary: #9ca3af;--color-text-muted: #6b7280;--color-accent-purple: #a855f7;--color-accent-indigo: #6366f1;--color-accent-pink: #ec4899;--color-accent-cyan: #06b6d4;--color-accent-green: #10b981;--color-accent-orange: #f97316;--color-accent-red: #ef4444;--gradient-primary: linear-gradient(135deg, #a855f7, #6366f1);--gradient-hero: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #06b6d4 100%);--gradient-card: linear-gradient(135deg, rgba(168, 85, 247, .1), rgba(99, 102, 241, .05));--stem-vocals: #a855f7;--stem-drums: #f97316;--stem-bass: #06b6d4;--stem-other: #10b981;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow-purple: 0 0 20px rgba(168, 85, 247, .3);--shadow-glow-indigo: 0 0 20px rgba(99, 102, 241, .3);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}a{color:var(--color-accent-purple);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-indigo)}.app-layout{display:flex;flex-direction:column;min-height:100vh}.page-container{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:var(--space-xl) var(--space-lg)}.page-container--wide{max-width:1440px}.navbar{position:sticky;top:0;z-index:100;background:#0a0a0fd9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);padding:0 var(--space-lg)}.navbar__inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}.navbar__logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-text-primary);text-decoration:none}.navbar__logo-icon{width:32px;height:32px;background:var(--gradient-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1rem}.navbar__links{display:flex;align-items:center;gap:var(--space-lg);list-style:none}.navbar__link{color:var(--color-text-secondary);font-size:.9rem;font-weight:500;transition:color var(--transition-fast)}.navbar__link:hover,.navbar__link--active{color:var(--color-text-primary)}.navbar__actions{display:flex;align-items:center;gap:var(--space-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:.625rem 1.25rem;border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow-purple)}.btn--primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 30px #a855f766}.btn--secondary{background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border-light)}.btn--secondary:hover:not(:disabled){background:var(--color-bg-card-hover);border-color:var(--color-accent-purple)}.btn--ghost{background:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){color:var(--color-text-primary);background:var(--color-bg-card)}.btn--sm{padding:.375rem .75rem;font-size:.8rem}.btn--lg{padding:.875rem 2rem;font-size:1rem;border-radius:var(--radius-md)}.btn--icon{width:36px;height:36px;padding:0;border-radius:var(--radius-sm)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all var(--transition-base)}.card:hover{border-color:var(--color-border-light);background:var(--color-bg-card-hover)}.card--glass{background:var(--color-bg-glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{font-size:.85rem;font-weight:500;color:var(--color-text-secondary)}.form-input{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.75rem 1rem;color:var(--color-text-primary);font-family:var(--font-sans);font-size:.95rem;transition:border-color var(--transition-fast);outline:none}.form-input:focus{border-color:var(--color-accent-purple);box-shadow:0 0 0 3px #a855f726}.form-input::placeholder{color:var(--color-text-muted)}.form-input--lg{padding:1rem 1.25rem;font-size:1.05rem;border-radius:var(--radius-md)}.hero{text-align:center;padding:var(--space-3xl) 0}.hero__badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:.375rem 1rem;background:var(--gradient-card);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.8rem;font-weight:500;color:var(--color-accent-purple);margin-bottom:var(--space-lg)}.hero__title{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1.1;margin-bottom:var(--space-lg);letter-spacing:-.02em}.hero__title-gradient{background:var(--gradient-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero__subtitle{font-size:1.15rem;color:var(--color-text-secondary);max-width:640px;margin:0 auto var(--space-2xl);line-height:1.7}.hero__input-group{display:flex;gap:var(--space-sm);max-width:600px;margin:0 auto}.hero__input-group .form-input{flex:1}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);padding:var(--space-3xl) 0}.feature-card{padding:var(--space-xl)}.feature-card__icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--space-md)}.feature-card__title{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-sm)}.feature-card__desc{font-size:.9rem;color:var(--color-text-secondary);line-height:1.6}.workspace{display:grid;grid-template-columns:1fr 300px;gap:var(--space-lg)}.workspace__main{min-width:0}.workspace__sidebar{display:flex;flex-direction:column;gap:var(--space-lg)}.workspace__title{font-size:1.5rem;font-weight:700;margin-bottom:var(--space-lg)}.transport{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:var(--space-lg);flex-wrap:wrap}.transport__play-btn{width:48px;height:48px;border-radius:50%;background:var(--gradient-primary);border:none;color:#fff;font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base);box-shadow:var(--shadow-glow-purple);flex-shrink:0}.transport__play-btn:hover{transform:scale(1.05);box-shadow:0 0 30px #a855f780}.transport__time{font-family:Inter,monospace;font-size:.9rem;color:var(--color-text-secondary);font-variant-numeric:tabular-nums;min-width:100px}.transport__speed{display:flex;align-items:center;gap:var(--space-sm);font-size:.8rem;color:var(--color-text-secondary)}.transport__speed-slider{width:80px;accent-color:var(--color-accent-purple)}.transport__speed-value{min-width:36px;text-align:center;font-weight:600;color:var(--color-text-primary)}.transport__loop{display:flex;align-items:center;gap:var(--space-xs);margin-left:auto}.transport__loop-btn{font-size:.75rem;padding:.375rem .75rem}.transport__loop-btn--active{background:#a855f733;border-color:var(--color-accent-purple);color:var(--color-accent-purple)}.stem-track{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:var(--space-sm);transition:all var(--transition-base)}.stem-track:hover{border-color:var(--color-border-light)}.stem-track__info{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);min-width:80px}.stem-track__color{width:4px;height:40px;border-radius:2px}.stem-track__label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.stem-track__waveform{flex:1;min-width:0;height:80px;border-radius:var(--radius-sm);overflow:hidden}.stem-track__controls{display:flex;flex-direction:column;gap:var(--space-xs);min-width:60px}.stem-track__mute,.stem-track__solo{font-size:.7rem;width:100%}.stem-track__mute--active{background:#ef444433;color:var(--color-accent-red);border-color:var(--color-accent-red)}.stem-track__solo--active{background:#f9731633;color:var(--color-accent-orange);border-color:var(--color-accent-orange)}.stem-track__volume{width:60px;accent-color:var(--color-accent-purple)}.dashboard__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl)}.dashboard__title{font-size:1.75rem;font-weight:700}.dashboard__subtitle{color:var(--color-text-secondary);margin-top:var(--space-xs)}.sessions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--space-lg)}.session-card{cursor:pointer}.session-card__title{font-size:1rem;font-weight:600;margin-bottom:var(--space-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-card__meta{display:flex;align-items:center;gap:var(--space-md);font-size:.8rem;color:var(--color-text-muted)}.session-card__actions{display:flex;gap:var(--space-sm);margin-top:var(--space-md)}.pricing{text-align:center;padding:var(--space-3xl) 0}.pricing__title{font-size:2.5rem;font-weight:800;margin-bottom:var(--space-sm)}.pricing__subtitle{color:var(--color-text-secondary);font-size:1.1rem;margin-bottom:var(--space-3xl)}.pricing__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-lg);max-width:1000px;margin:0 auto}.pricing-card{position:relative;text-align:left}.pricing-card--featured{border-color:var(--color-accent-purple);background:var(--gradient-card);transform:scale(1.02)}.pricing-card--featured:before{content:"Most Popular";position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--gradient-primary);color:#fff;padding:.25rem 1rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.pricing-card__name{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-sm)}.pricing-card__price{font-size:2.5rem;font-weight:800;margin-bottom:var(--space-xs)}.pricing-card__price span{font-size:1rem;font-weight:400;color:var(--color-text-secondary)}.pricing-card__desc{color:var(--color-text-secondary);font-size:.85rem;margin-bottom:var(--space-lg)}.pricing-card__features{list-style:none;margin-bottom:var(--space-xl)}.pricing-card__features li{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;font-size:.9rem;color:var(--color-text-secondary)}.pricing-card__features li:before{content:"✓";color:var(--color-accent-green);font-weight:700}.pricing-card .btn{width:100%}.auth-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 64px);padding:var(--space-xl)}.auth-form{width:100%;max-width:420px}.auth-form__title{font-size:1.75rem;font-weight:700;margin-bottom:var(--space-xs)}.auth-form__subtitle{color:var(--color-text-secondary);margin-bottom:var(--space-xl)}.auth-form .form-group{margin-bottom:var(--space-md)}.auth-form .btn{width:100%;margin-top:var(--space-md)}.auth-form__footer{text-align:center;margin-top:var(--space-lg);font-size:.85rem;color:var(--color-text-secondary)}.ad-placeholder{background:var(--color-bg-card);border:1px dashed var(--color-border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:.75rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;min-height:90px}.ad-placeholder--banner{min-height:90px;margin:var(--space-lg) 0}.ad-placeholder--sidebar{min-height:250px}.ad-placeholder--leaderboard{min-height:90px;max-width:728px;margin:var(--space-lg) auto}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent-purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.processing-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);padding:var(--space-3xl);text-align:center}.processing-overlay__text{color:var(--color-text-secondary);font-size:1rem}.processing-overlay__sub{color:var(--color-text-muted);font-size:.85rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl) var(--space-xl);text-align:center}.empty-state__icon{font-size:3rem;margin-bottom:var(--space-md);opacity:.5}.empty-state__title{font-size:1.25rem;font-weight:600;margin-bottom:var(--space-sm)}.empty-state__desc{color:var(--color-text-secondary);max-width:400px;margin-bottom:var(--space-xl)}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);color:var(--color-accent-red);font-size:.85rem;margin-bottom:var(--space-md)}@media(max-width:768px){.workspace{grid-template-columns:1fr}.workspace__sidebar{order:-1}.hero__input-group{flex-direction:column}.pricing__grid{grid-template-columns:1fr}.pricing-card--featured{transform:none}.navbar__links{display:none}.sessions-grid{grid-template-columns:1fr}.transport{gap:var(--space-sm)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeIn .5s ease forwards}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #a855f733}50%{box-shadow:0 0 40px #a855f766}}.pulse-glow{animation:pulse-glow 2s ease-in-out infinite}.footer{border-top:1px solid var(--color-border);padding:var(--space-xl) var(--space-lg);text-align:center;color:var(--color-text-muted);font-size:.8rem}