:root{--bg-primary: #F0F0F0;--bg-secondary: #F0F0F0;--bg-card: #FFFFFF;--bg-card-hover: #F5F5F5;--bg-input: #FFFFFF;--bg-elevated: #FAFAFA;--bg-surface: #F8F8F8;--border: #D0D0D0;--border-subtle: #E0E0E0;--border-strong: #C0C0C0;--border-focus: rgba(0, 136, 204, .4);--titlebar-from: #E8E8E8;--titlebar-to: #D8D8D8;--text-primary: #1a1a1a;--text-secondary: #4a4a4a;--text-muted: #666666;--text-faint: #999999;--accent: #0088CC;--accent-light: #0095DD;--accent-hover: #00A8F0;--accent-glow: rgba(0, 136, 204, .1);--success: #2d8a4e;--danger: #d4183d;--warning: #c07d10;--radius: 0px;--radius-sm: 0px;--radius-lg: 0px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-window: 0 2px 8px rgba(0,0,0,.12), 0 0 1px rgba(0,0,0,.08);--sidebar-width: 180px;--transition: .15s ease;--font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;--font-mono: "SF Mono", "Menlo", "Monaco", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}#app{height:100%}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}.screen{display:none;height:100%}.screen.active{display:flex}#auth-screen{display:none;background:var(--bg-primary)}#auth-screen.active{display:block;overflow-y:auto}.landing{max-width:640px;margin:0 auto;padding:0 24px 80px;font-size:16px;line-height:1.7;color:#374151}.landing-header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;margin-bottom:40px;border-bottom:1px solid var(--border)}.landing-wordmark{font-size:17px;font-weight:600;color:#1a1a1a;letter-spacing:-.01em}.landing-signin-link{font-size:14px;color:var(--text-muted);text-decoration:none}.landing-signin-link:hover{color:var(--text-primary)}.landing-hero{margin-bottom:56px}.landing-hero h1{font-size:1.5rem;font-weight:500;line-height:1.3;color:var(--text-primary);letter-spacing:-.01em;margin-bottom:16px}.landing-hero-sub{font-size:.875rem;color:var(--text-secondary);line-height:1.7}.landing-photo{margin:0 -24px 56px}.landing-photo img{width:100%;height:auto;border-radius:0;box-shadow:var(--shadow-window)}.landing-section{margin-bottom:48px}.landing-section h2{font-size:.75rem;font-weight:600;color:var(--text-muted);margin-bottom:12px;letter-spacing:.08em;text-transform:uppercase}.landing-section p{margin-bottom:12px}.landing-section p:last-child{margin-bottom:0}.landing-section ul{padding-left:20px;margin:12px 0}.landing-section li{padding:3px 0}.landing-parts{list-style:none;padding-left:0}.landing-parts li{padding:6px 0}.landing-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.landing-tier{padding:24px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:0;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}.landing-tier h3{font-size:16px;font-weight:600;color:#1a1a1a;margin-bottom:4px}.landing-tier-price{font-size:28px;font-weight:700;color:#1a1a1a;margin-bottom:8px!important}.landing-tier-price span{font-size:14px;font-weight:400;color:#9ca3af}.landing-tier-desc{font-size:13px;color:#6b7280;margin-bottom:12px!important;line-height:1.5}.landing-tier ul{list-style:none;padding-left:0;flex:1;margin-bottom:16px}.landing-tier li{font-size:13px;color:#4b5563;padding:3px 0}.landing-tier-featured{border-color:var(--accent);box-shadow:var(--shadow-window)}.landing-tier-btn{width:100%;text-align:center;font-size:14px;padding:10px 16px}.landing-signin{margin-top:56px;padding-top:32px;border-top:1px solid #e5e5e4}.landing-signin .auth-container{background:none;border:none;box-shadow:none;padding:16px 0 0;text-align:left;max-width:320px}.landing-footer{margin-top:64px;padding-top:24px;border-top:1px solid #e5e5e4;font-size:13px;color:#9ca3af}.landing-footer a{color:#6b7280;text-decoration:none}.landing-footer a:hover{color:#1a1a1a}@media(max-width:640px){.landing-tiers{grid-template-columns:1fr}.landing-hero h1{font-size:26px}}.auth-container{width:100%;max-width:380px;padding:48px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:0;box-shadow:var(--shadow-window);text-align:center}.auth-container h1{font-size:1.5rem;font-weight:500;margin-bottom:4px}.auth-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:28px;transition:all var(--transition)}#login-form{display:flex;flex-direction:column;gap:12px}.auth-hint{margin-top:20px;font-size:13px;color:var(--text-muted)}.btn-link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;font-family:var(--font);text-decoration:underline;text-underline-offset:2px}.btn-link:hover{color:var(--accent-hover)}.error-text{color:var(--danger);font-size:13px;margin-top:8px;min-height:20px}#onboarding-screen{align-items:center;justify-content:center;background:var(--bg-secondary)}.onboarding-container{width:100%;max-width:540px;padding:48px 40px;background:var(--bg-card);border:1px solid var(--border);border-radius:0;box-shadow:var(--shadow-window)}.onboarding-header{text-align:center;margin-bottom:36px}.onboarding-logo{font-size:48px;display:block;margin-bottom:12px}.onboarding-header h1{font-size:1.25rem;font-weight:500;margin-bottom:6px}.onboarding-header 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var(--transition)}.btn-primary{background:linear-gradient(to bottom,var(--accent-light),var(--accent));color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:linear-gradient(to bottom,var(--accent-hover),var(--accent-light))}.btn-primary:active{box-shadow:inset 0 1px 3px #0003}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-surface);color:var(--text-secondary);border:1px solid var(--border-subtle);font-size:.75rem}.btn-secondary:hover{border-color:var(--border);color:var(--text-primary);background:var(--bg-card)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:#0000000a}.btn-danger{background:#ef444414;color:var(--danger)}.btn-danger:hover{background:#ef444426}.btn-glow{box-shadow:0 0 20px var(--accent-glow)}.btn-row{display:flex;gap:10px;margin-top:16px}.btn-icon{font-size:16px}.modal{border:1px solid var(--border);border-radius:0;background:var(--bg-card);color:var(--text-primary);padding:0;max-width:480px;width:90%;box-shadow:var(--shadow-window)}.modal::backdrop{background:#0006}.modal-content{padding:28px}.modal-content h3{font-size:20px;font-weight:600;margin-bottom:20px}.toast{position:fixed;bottom:24px;right:24px;padding:14px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:0;color:var(--text-primary);font-size:.8125rem;font-weight:500;box-shadow:var(--shadow-window);z-index:1000;transform:translateY(100px);opacity:0;transition:all .15s ease}.toast.visible{transform:translateY(0);opacity:1}.toast.success{border-color:var(--success)}.toast.error{border-color:var(--danger)}.hidden{display:none!important}@media(max-width:768px){#sidebar{width:64px;min-width:64px}.sidebar-title,.sidebar-user,.nav-link span:not(.nav-icon){display:none}.sidebar-header{justify-content:center;padding:0 0 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ease}#login-form:not(.collapsed){max-height:300px;opacity:1;transition:all .3s ease}.success-badge{padding:10px 16px;background:#34d3991a;border:1px solid rgba(52,211,153,.3);border-radius:var(--radius-sm);color:var(--success);font-size:14px;font-weight:500;margin-bottom:16px}.ical-fallback{margin-top:16px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.ical-fallback summary{padding:10px 14px;cursor:pointer;font-size:13px;color:var(--text-muted);background:var(--bg-input);transition:all var(--transition)}.ical-fallback summary:hover{color:var(--text-secondary);background:#00000008}.ical-fallback>.form-group{padding:12px 14px}.location-input-row{display:flex;gap:8px}.location-input-row input{flex:1}.location-input-row .btn{flex-shrink:0}.radio-group{display:flex;gap:20px}.radio-label{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-primary);cursor:pointer}.radio-label 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h3{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text-primary);text-transform:none;letter-spacing:0}.setup-steps{padding-left:24px;display:flex;flex-direction:column;gap:10px}.setup-steps li{font-size:14px;color:var(--text-secondary);line-height:1.7}.setup-steps code{background:#638cff1f;color:var(--accent);padding:2px 6px;border-radius:4px;font-size:12px}.sub-badge{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;margin-bottom:12px;transition:var(--transition)}.sub-badge.sub-free{background:#6b728026;color:var(--text-muted)}.sub-badge.sub-hosted{background:#3b82f626;color:var(--accent)}.sub-badge.sub-plus{background:linear-gradient(135deg,#a855f733,#ec489933);color:#a855f7}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;max-width:960px;width:100%}.pricing-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;display:flex;flex-direction:column;position:relative;transition:var(--transition)}.pricing-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #00000014}.pricing-card.pricing-featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 8px 32px #3b82f61f}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}.pricing-header{text-align:center;margin-bottom:24px}.pricing-emoji{font-size:40px;display:block;margin-bottom:12px}.pricing-header h3{font-size:22px;font-weight:700;margin-bottom:8px}.pricing-price{font-size:40px;font-weight:800;color:var(--text-primary)}.pricing-period{font-size:16px;font-weight:400;color:var(--text-muted)}.pricing-desc{color:var(--text-muted);font-size:14px;margin-top:4px}.pricing-features{list-style:none;flex:1;margin-bottom:24px}.pricing-features li{padding:8px 0;font-size:14px;border-bottom:1px solid var(--border);color:var(--text-secondary)}.pricing-features li:last-child{border-bottom:none}.guide-container{max-width:720px}.guide-step{display:flex;gap:20px;margin-bottom:32px;padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition)}.guide-step:hover{border-color:var(--accent);box-shadow:0 4px 20px #3b82f60f}.guide-step-number{width:48px;height:48px;min-width:48px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}.guide-step-content h3{font-size:18px;font-weight:700;margin-bottom:8px}.guide-step-content p{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:12px}.guide-substeps{padding-left:20px;margin-bottom:12px}.guide-substeps li{font-size:14px;color:var(--text-secondary);padding:4px 0;line-height:1.6}.guide-substeps ul{padding-left:20px;margin:8px 0}.guide-tip{background:#3b82f614;border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:13px;color:var(--text-secondary);margin-top:12px}.parts-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}.part-item{display:flex;align-items:flex-start;gap:12px;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-sm)}.part-icon{font-size:24px;min-width:32px;text-align:center}.part-item strong{display:block;margin-bottom:2px;font-size:14px}.part-item p{margin:0;font-size:13px;color:var(--text-muted)}.code-block{display:flex;align-items:center;gap:8px;background:#1a1a2e;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:12px 16px;margin:12px 0;overflow-x:auto}.code-block code{flex:1;color:#e2e8f0;font-family:SF Mono,Fira Code,monospace;font-size:13px;background:none;padding:0;white-space:nowrap}.copy-code-btn{flex-shrink:0;background:#ffffff1a;border:none;border-radius:6px;padding:4px 8px;cursor:pointer;font-size:14px;transition:var(--transition)}.copy-code-btn:hover{background:#fff3}@media(max-width:768px){.pricing-grid{grid-template-columns:1fr}.guide-step{flex-direction:column;gap:12px}.guide-step-number{width:36px;height:36px;min-width:36px;font-size:16px}}.device-switcher{padding:8px 16px 12px;border-bottom:1px solid var(--border)}.device-current{display:flex;align-items:center;justify-content:space-between;gap:8px}.device-name{font-size:13px;color:var(--text-secondary);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.device-switcher-row{display:flex;align-items:center;gap:6px}.device-select{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-family:var(--font);font-size:13px;cursor:pointer;transition:border-color var(--transition)}.device-select:focus{outline:none;border-color:var(--accent)}.btn-icon-small{width:28px;height:28px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.btn-icon-small:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;animation:modalFadeIn .2s ease}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px;width:90%;max-width:420px;box-shadow:0 20px 60px #00000026;animation:modalSlideIn .2s ease}@keyframes modalSlideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-content h3{margin-bottom:8px;font-size:18px;font-weight:600}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.device-card{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:all var(--transition)}.device-card.active{border-color:var(--accent);background:var(--accent-glow)}.device-card-info{display:flex;flex-direction:column;gap:2px}.device-card-name{font-weight:500;font-size:14px;color:var(--text-primary)}.device-card-style{font-size:12px;color:var(--text-muted);text-transform:capitalize}.device-card-actions{display:flex;gap:8px}.btn-text{background:none;border:none;color:var(--danger);font-size:13px;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:background var(--transition)}.btn-text:hover{background:#ef44441a}.btn-text:disabled{opacity:.5;cursor:not-allowed}