:root{--background:#191919;--surface:#202020;--surface-2:#242424;--elevated:#2a2a2a;--divider:rgba(255,255,255,0.08);--divider-subtle:rgba(255,255,255,0.06);--border:rgba(255,255,255,0.1);--text-primary:rgba(255,255,255,0.92);--text-secondary:rgba(255,255,255,0.62);--text-tertiary:rgba(255,255,255,0.42);--primary:#c0c0c0;--primary-hover:#a8a8a8;--accent:#e8e8e8;--success:#4a5a4a;--warning:#5a5a4a;--error:#5a4a4a;--radius-card:14px;--radius-button:12px;--radius-chip:999px;--radius-input:12px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:24px;--spacing-2xl:32px;--page-padding:16px;--shadow-sm:0 1px 2px rgba(0,0,0,0.1);--shadow-md:0 4px 8px rgba(0,0,0,0.15);--transition:150ms ease-out;--transition-slow:200ms ease-out;--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI","Helvetica Neue",Arial,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--background);color:var(--text-primary);font-family:var(--font-sans);font-size:15px;font-weight:400;line-height:1.5}h1{font-size:28px;line-height:36px;letter-spacing:-.5px}h1,h2{font-weight:600}h2{font-size:20px;line-height:28px;letter-spacing:-.3px}h3{font-size:17px;font-weight:600;line-height:24px}body,p{font-size:15px;font-weight:400;line-height:22px}.text-small{font-size:13px;font-weight:400;line-height:18px}.text-caption{font-size:11px;font-weight:400;line-height:16px}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.divider{border:none;border-top:1px solid var(--divider);height:0}.divider-subtle{border:none;border-top:1px solid var(--divider-subtle);height:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--divider);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border)}button{font-family:var(--font-sans);cursor:pointer;border:none;outline:none}.btn{display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;border-radius:var(--radius-button);transition:all var(--transition);white-space:nowrap;border:1px solid transparent;gap:6px}.btn,a.btn{text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#000;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 2px 8px rgba(0,0,0,.25)}.btn-primary:focus{box-shadow:0 0 0 3px rgba(192,192,192,.15)}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--divider)}.btn-secondary:hover{background:var(--surface);border-color:var(--border);color:var(--accent);box-shadow:0 1px 4px rgba(0,0,0,.15)}.btn-secondary:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,192,192,.1)}.btn-sm{padding:8px 16px;font-size:13px}.btn-lg{padding:12px 24px;font-size:15px}.btn-xl{padding:16px 32px;font-size:16px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover{box-shadow:none;background:inherit;border-color:inherit}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.animate-fade-in{animation:fadeIn .6s ease-out}.animate-slide-up{animation:slideUp .6s ease-out}.animate-slide-in-left{animation:slideInLeft .6s ease-out}.animate-scale-in{animation:scaleIn .5s ease-out}.animate-stagger>*{animation:slideUp .6s ease-out backwards}.animate-stagger>:first-child{animation-delay:.1s}.animate-stagger>:nth-child(2){animation-delay:.2s}.animate-stagger>:nth-child(3){animation-delay:.3s}.animate-stagger>:nth-child(4){animation-delay:.4s}.animate-stagger>:nth-child(5){animation-delay:.5s}.animate-stagger>:nth-child(6){animation-delay:.6s}.btn:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:var(--radius-button);opacity:0;transition:opacity var(--transition);pointer-events:none}.btn-primary:before{background:linear-gradient(135deg,rgba(255,255,255,.1),transparent)}.btn:hover:before{opacity:1}