:root{--font-sans:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono:"Roboto Mono", monospace;--bg-main:#0b0d19;--bg-gradient:radial-gradient(circle at 50% 50%, #151932 0%, #070810 100%);--panel-bg:#141830b3;--panel-border:#ffffff14;--panel-border-glow:#6366f14d;--primary:#6366f1;--primary-hover:#4f46e5;--primary-glow:#6366f166;--secondary:#06b6d4;--secondary-glow:#06b6d466;--accent-red:#f43f5e;--accent-red-glow:#f43f5e66;--accent-green:#10b981;--accent-green-glow:#10b98166;--text-main:#f8fafc;--text-muted:#94a3b8;--text-dark:#0f172a;--shadow-sm:0 2px 8px #0006;--shadow-md:0 8px 32px 0 #00000080;--shadow-lg:0 12px 40px 0 #000000b3}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-main);background-image:var(--bg-gradient);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow:hidden}.app-shell{background:var(--bg-main);flex-direction:column;justify-content:space-between;width:100vw;height:100vh;padding-block:clamp(20px,3vh,40px);padding-inline:clamp(24px,5vw,120px);display:flex;position:relative;overflow:hidden}.landing-header{z-index:10;justify-content:space-between;align-items:center;width:100%;max-width:1600px;margin:0 auto;display:flex;position:relative}.landing-main{z-index:10;flex-direction:row;flex:1;justify-content:space-between;align-items:flex-start;gap:clamp(24px,4vw,80px);width:100%;max-width:1600px;min-height:0;margin:0 auto;padding:20px 0;display:flex;position:relative}.landing-hero-col{flex-direction:column;flex:1;justify-content:center;align-items:flex-start;min-width:0;max-width:800px;height:100%;display:flex}.landing-feature-grid{grid-template-columns:1fr 1fr;gap:20px;width:100%;display:grid}.landing-footer{color:var(--text-muted);z-index:10;border-top:1px solid #ffffff0a;justify-content:space-between;align-items:center;width:100%;max-width:1600px;margin:0 auto;padding-top:20px;font-size:12px;display:flex;position:relative}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#0003;border-radius:4px}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--panel-border);box-shadow:var(--shadow-md);border-radius:16px;transition:border-color .3s,box-shadow .3s}.glass-panel:hover{border-color:var(--panel-border-glow)}.drag-handle{cursor:grab;-webkit-user-select:none;user-select:none}.drag-handle:active{cursor:grabbing}@keyframes neon-pulse{0%{box-shadow:0 0 5px var(--accent-red-glow), 0 0 10px var(--accent-red-glow)}50%{box-shadow:0 0 10px var(--accent-red-glow), 0 0 20px var(--accent-red-glow)}to{box-shadow:0 0 5px var(--accent-red-glow), 0 0 10px var(--accent-red-glow)}}.pulse-recording{animation:1.5s infinite alternate neon-pulse}@keyframes text-pulse{0%,to{opacity:1}50%{opacity:.4}}.pulse-text{animation:1.5s infinite text-pulse}.sampler-btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px 8px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.sampler-btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 10px var(--primary-glow)}.sampler-btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.sampler-btn-disconnect{color:#fff;background:#f43f5e26}.sampler-btn-disconnect:hover{background:#f43f5e40}.sampler-btn-success{background:var(--accent-green);color:#fff;box-shadow:0 4px 10px var(--accent-green-glow)}.sampler-btn-success:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.sampler-btn-danger{background:var(--accent-red);color:#fff;box-shadow:0 4px 10px var(--accent-red-glow)}.sampler-btn-danger:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.sampler-btn-disabled{color:var(--text-muted);cursor:not-allowed;background:#ffffff0d}.sampler-card{background:#ffffff08;border:1px solid #ffffff05;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 8px;font-size:11px;display:flex}.icon-btn{color:var(--text-main);cursor:pointer;background:#ffffff0d;border:none;border-radius:50%;justify-content:center;align-items:center;padding:5px;transition:background .2s;display:flex}.icon-btn:hover{background:#ffffff26}.icon-btn-danger{color:var(--accent-red);cursor:pointer;background:#f43f5e1a;border:none;border-radius:50%;justify-content:center;align-items:center;padding:5px;transition:background .2s;display:flex}.icon-btn-danger:hover{background:#f43f5e33}.compat-banner{color:#f59e0b;z-index:100;-webkit-backdrop-filter:blur(10px);background:#f59e0b1a;border:1px solid #f59e0b4d;border-radius:8px;align-items:center;gap:10px;width:100%;margin-bottom:20px;padding:10px 16px;font-size:13px;display:flex;box-shadow:0 4px 15px #f59e0b0d}.toast-banner{-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-md);z-index:10000;border-radius:8px;justify-content:space-between;align-items:center;padding:10px 14px;font-size:12px;font-weight:500;animation:.3s slide-up;display:flex;position:absolute;bottom:16px;left:16px;right:16px}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toast-info{color:#06b6d4;background:#06b6d426;border:1px solid #06b6d44d}.toast-error{color:#f43f5e;background:#f43f5e26;border:1px solid #f43f5e4d}.toast-success{color:#10b981;background:#10b98126;border:1px solid #10b9814d}.toast-close{color:inherit;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0 4px;font-size:16px;display:flex}.guide-panel{flex-direction:column;flex-shrink:0;align-self:stretch;width:clamp(340px,28vw,460px);max-width:100%;display:flex;overflow:hidden}.guide-panel-header{flex-shrink:0;padding:18px 20px 0}.guide-panel-header h3{color:var(--text-main);letter-spacing:-.2px;align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.guide-stepper{flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:16px 4px 4px;display:flex}.guide-stepper-dot{border:1px solid var(--panel-border);width:30px;height:30px;color:var(--text-muted);cursor:pointer;background:#ffffff08;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;transition:all .2s;display:flex}.guide-stepper-dot.active{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;border-color:#0000;box-shadow:0 0 0 4px #6366f126}.guide-stepper-dot.done{color:var(--primary);background:#6366f126;border-color:#6366f166}.guide-stepper-line{background:var(--panel-border);width:30px;height:2px}.guide-panel-body{flex-direction:column;flex:1;min-height:0;padding:16px 20px 20px;display:flex;overflow-y:auto}.guide-panel-step{flex-direction:column;flex:1;animation:.3s guide-step-fade-in;display:flex}@keyframes guide-step-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.guide-panel-visual{background:#00000026;border:1px solid #ffffff0f;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;height:310px;margin-bottom:16px;padding:14px;display:flex;overflow:hidden}.guide-panel-visual img{object-fit:contain;max-width:100%;max-height:100%;box-shadow:var(--shadow-sm);border-radius:8px}.guide-panel-step-label{letter-spacing:1px;color:var(--secondary);text-transform:uppercase;margin-bottom:8px;font-size:11px;font-weight:700}.guide-panel-title{color:var(--text-main);letter-spacing:-.3px;margin-bottom:10px;font-size:19px;font-weight:800}.guide-panel-desc{color:var(--text-muted);flex:1;font-size:13px;line-height:1.6}.guide-panel-nav{flex-shrink:0;gap:8px;margin-top:18px;display:flex}.guide-panel-nav button{cursor:pointer;border:1px solid var(--panel-border);color:var(--text-main);background:#ffffff08;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:6px;padding:11px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.guide-panel-nav button:disabled{opacity:.35;cursor:not-allowed}.guide-panel-nav .guide-panel-next{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;box-shadow:0 4px 12px var(--primary-glow);border:none}@media (width<=1024px){.app-shell{height:auto;min-height:100vh;padding-block:32px 24px;padding-inline:24px;overflow-y:auto}.landing-main{flex-direction:column;align-items:center;gap:40px;max-width:100%}.landing-hero-col{flex:none;width:100%;height:auto}.guide-panel{width:100%;max-width:600px}.guide-panel-visual{height:240px}}@media (width<=600px){.landing-feature-grid{grid-template-columns:1fr;gap:12px}}.sampler-card{border:1px solid var(--panel-border);background:#ffffff05;border-radius:6px;transition:all .2s}.sampler-card:hover{background:#ffffff0f;border-color:#6366f14d;box-shadow:0 2px 8px #00000026}.sampler-card-expanded{transition:all .3s;box-shadow:0 4px 12px #0003;background:#ffffff0d!important;border-color:#6366f14d!important;border-radius:8px!important}.stems-container{border-top:1px dashed #ffffff14;flex-direction:column;gap:6px;width:100%;margin-top:8px;padding:10px 4px 4px;display:flex}.stem-row{background:#00000026;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:11px;display:flex}.stem-label{color:var(--text-main);align-items:center;gap:6px;font-weight:500;display:flex}.separation-progress-bar{background:#ffffff1a;border-radius:2px;width:100%;height:4px;margin-top:6px;overflow:hidden}.separation-progress-fill{background:linear-gradient(to right, var(--primary), var(--secondary));height:100%;transition:width .2s}.separation-progress-indeterminate{animation:1.2s ease-in-out infinite progress-indeterminate;width:40%!important}@keyframes progress-indeterminate{0%{transform:translate(-100%)}to{transform:translate(250%)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}