:root{--primary-light:#6b8cc9;--primary-dark:#2c3e5a;--accent:#ff9f1c;--accent-light:#ffb347;--bg:#f7f9fa;--card-bg:#fff;--border:#e5e7eb;--text-primary:#1f2937;--text-secondary:#6b7280;--text-muted:#9ca3af;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--sidebar-width:256px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--text-primary);color-scheme:light;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}#__next,body,html{width:100%;height:100%}body{margin:0;padding:0;background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased}h1{font-size:28px;margin:0 0 16px;line-height:1.2}h1,h2{font-weight:700}h2{font-size:24px;margin:24px 0 12px}h2,h3{line-height:1.3}h3{font-size:20px;font-weight:600;margin:20px 0 8px}p{margin:0 0 12px}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-light);text-decoration:underline}.header{display:flex;align-items:center;justify-content:space-between;padding:16px;background:linear-gradient(180deg,#fff,#f8fafc);border-bottom:1px solid #e6edf3}.header .brand{font-weight:700;color:var(--primary);font-size:18px}.header nav a{margin-left:12px;color:var(--text-secondary);text-decoration:none}.header nav a:hover{color:var(--primary)}.sidebar{width:var(--sidebar-width);background:var(--card-bg);border-right:1px solid var(--border);padding:var(--spacing-lg) var(--spacing-md);overflow-y:auto;position:fixed;left:0;top:72px;height:calc(100vh - 72px);box-shadow:1px 0 3px rgba(0,0,0,.05);z-index:100}.sidebar-brand{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:var(--spacing-lg)}.sidebar-menu{list-style:none;margin:0;padding:0}.sidebar-menu li{margin:var(--spacing-sm) 0}.sidebar-menu a{display:block;text-decoration:none}.sidebar-menu a>span{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:6px;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;transition:all .2s ease}.sidebar-menu a:hover>span,.sidebar-menu a>span.active{background:rgba(74,111,165,.1);color:var(--primary)}.main-content{margin-left:var(--sidebar-width);flex:1 1}.container,.main-content{padding:var(--spacing-lg)}.container{max-width:1200px;margin:0 auto}.layout{display:flex;min-height:100vh;flex-direction:row}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:var(--spacing-lg);box-shadow:0 1px 3px rgba(0,0,0,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);border:none;border-radius:6px;font-size:14px;text-decoration:none}.btn-primary:hover{background:var(--primary-light)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-light)}.btn-ghost{color:var(--primary);border:1px solid var(--primary)}.btn-ghost:hover{background:rgba(74,111,165,.05)}input[type=email],input[type=file],input[type=password],input[type=text],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--card-bg);font-family:inherit;font-size:14px;color:var(--text-primary)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,111,165,.1)}label{display:block;margin-bottom:var(--spacing-sm);font-size:14px;font-weight:600;color:var(--text-primary)}.flex{display:flex;gap:var(--spacing-md);align-items:center}.flex-col{flex-direction:column}.flex-between{justify-content:space-between}.gap-md{gap:var(--spacing-md)}.play-btn{width:48px;height:48px;border-radius:50%;background:var(--accent);border:none;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700}.play-btn:hover{background:var(--accent-light)}.approval-cta{display:flex;gap:var(--spacing-md);align-items:center;padding:var(--spacing-lg);background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid rgba(74,111,165,.2);border-radius:8px;margin-bottom:var(--spacing-lg)}.capacity-bar{height:24px;border-radius:4px;background:var(--border);overflow:hidden}.capacity-bar.low{background:var(--success)}.capacity-bar.medium{background:var(--warning)}.capacity-bar.high{background:var(--danger)}.capacity-label{font-size:12px;font-weight:600;color:#fff;display:flex;align-items:center;justify-content:center;height:100%;padding:0 var(--spacing-sm)}.annotation-container{display:flex;gap:var(--spacing-lg);height:480px}.annotation-canvas{flex:1 1;background:var(--bg);position:relative;overflow:hidden}.annotation-canvas,.annotation-panel{border:1px solid var(--border);border-radius:8px}.annotation-panel{width:280px;background:var(--card-bg);overflow-y:auto;padding:var(--spacing-md)}.annotation-item{background:#f3f4f6;border-left:3px solid var(--primary);padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-sm);border-radius:4px;font-size:13px}.text-muted{color:var(--text-secondary);font-size:14px}.font-bold{font-weight:700}.mt-md{margin-top:var(--spacing-md)}.mb-md{margin-bottom:var(--spacing-md)}@media (max-width:768px){.sidebar{position:absolute;left:-256px;width:256px}.sidebar.open{left:0}.main-content{margin-left:0}h1{font-size:24px}.annotation-container{flex-direction:column}.annotation-panel{width:100%;height:200px}}@media (max-width:480px){h1{font-size:20px}.btn{padding:8px 12px;font-size:13px}.approval-cta{flex-direction:column}}:root{--bg-soft:#e8f2ff;--primary:#4a6fa5;--primary-600:#365a86;--muted:#6b7280;--card:#fff;--radius:12px;--gap:24px;--max-width:1200px;font-family:Inter,system-ui,-apple-system,Poppins,SF Pro Text,Arial,sans-serif}body.landing{background:linear-gradient(180deg,var(--bg-soft),#fbfdff)}.landing-nav{position:-webkit-sticky;position:sticky;top:0;z-index:60;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:hsla(0,0%,100%,.6);border-bottom:1px solid rgba(10,20,40,.04)}.landing-nav .inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.brand{font-weight:700;color:var(--primary);font-size:18px}.nav-actions{display:flex;gap:12px;align-items:center}.btn{padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer}.btn-primary{background:var(--primary);color:#fff;border:none}.btn-ghost{background:transparent;color:var(--primary-600);border:1px solid rgba(74,111,165,.12)}.hero{max-width:var(--max-width);margin:48px auto;display:grid;grid-template-columns:1fr 560px;grid-gap:48px;gap:48px;align-items:center;padding:0 20px}.hero .left h1{font-size:44px;line-height:1.04;margin:0 0 16px;color:#0f1724}.hero .left p{color:var(--muted);font-size:16px;margin:0 0 20px}.hero .actions{display:flex;gap:12px}.hero .screenshot{box-shadow:0 8px 30px rgba(20,40,80,.08);border-radius:16px;overflow:hidden}.screenshot img{display:block;width:100%;height:auto}.social-row{max-width:var(--max-width);margin:24px auto;gap:20px;padding:0 20px;justify-content:space-between}.social-logos,.social-row{display:flex;align-items:center}.social-logos{gap:18px}.stars{color:#f59e0b;font-weight:700}.problems{max-width:var(--max-width);margin:48px auto;padding:0 20px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.problem{background:var(--card);padding:20px;border-radius:12px;box-shadow:0 6px 20px rgba(15,23,42,.03)}.problem h4{margin:0 0 8px}.how{max-width:var(--max-width);margin:48px auto;padding:0 20px}.how .steps{display:flex;gap:18px}.step{background:var(--card);padding:18px;border-radius:12px;flex:1 1;text-align:center}.features{max-width:var(--max-width);margin:48px auto;padding:0 20px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.feature{background:var(--card);padding:20px;border-radius:12px}.pricing,.testimonials{max-width:var(--max-width);margin:48px auto;padding:0 20px}.pricing .toggle{display:flex;align-items:center;gap:12px;margin-bottom:20px}.pricing-grid{display:flex;gap:16px}.price-card{flex:1 1;background:var(--card);padding:20px;border-radius:12px}.faq{padding:0 20px}.cta-strong,.faq{max-width:var(--max-width);margin:48px auto}.cta-strong{text-align:center;padding:40px 20px;background:linear-gradient(90deg,rgba(74,111,165,.08),rgba(58,86,137,.04));border-radius:16px}.landing-footer{margin-top:64px;background:#fff;border-top:1px solid rgba(10,20,40,.04);padding:40px 20px}.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px}.modal-overlay{position:fixed;left:0;top:0;right:0;bottom:0;background:rgba(8,16,32,.6);display:flex;align-items:center;justify-content:center;z-index:2000}.modal-content{width:90%;max-width:900px;background:transparent;border-radius:12px;position:relative}@media (max-width:980px){.hero{grid-template-columns:1fr}.pricing-grid{flex-direction:column}.features,.problems{grid-template-columns:1fr}}