@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#135bec;--primary-hover:#0e48c4;--primary-muted:#135bec1a;--primary-muted-border:#135bec33;--bg:#f6f6f8;--bg-white:#fff;--card:#fff;--card-hover:#fafafa;--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--border-strong:#cbd5e1;--danger:#ef4444;--danger-muted:#ef444414;--success:#10b981;--success-muted:#10b98114;--sidebar-width:256px;--header-height:64px;--radius:12px;--radius-sm:8px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 3px #00000012, 0 1px 2px #0000000d;--shadow:0 4px 16px #00000014;--shadow-lg:0 10px 40px #0000001a;--shadow-primary:0 8px 24px #135bec40;--transition:.18s ease}[data-theme=dark]{--primary:#4d8ef0;--primary-hover:#6ba3f5;--primary-muted:#4d8ef021;--primary-muted-border:#4d8ef047;--bg:#0d1117;--bg-white:#161c24;--card:#1a2232;--card-hover:#1e2738;--text:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#2a3444;--border-strong:#3a4760;--danger:#f87171;--danger-muted:#f8717121;--success:#34d399;--success-muted:#34d39921;--shadow-sm:0 1px 3px #0006, 0 1px 2px #0000004d;--shadow:0 4px 16px #00000080;--shadow-lg:0 10px 40px #0009;--shadow-primary:0 8px 24px #4d8ef04d}[data-theme=dark] .navbar{background:#0d1117eb}[data-theme=dark] .alert-success{color:#34d399;background:#34d3991a;border-color:#34d39940}[data-theme=dark] .alert-danger{color:#f87171;background:#f871711a;border-color:#f8717140}[data-theme=dark] .alert-info{color:var(--primary)}[data-theme=dark] .score-high{color:#34d399;background:#34d3991f}[data-theme=dark] .score-mid{color:#fbbf24;background:#fbbf241f}[data-theme=dark] .ri-alert--warn{color:#fbbf24;background:#f59e0b1a;border-color:#f59e0b4d}[data-theme=dark] .ri-alert--ok{color:#34d399;background:#34d3991a;border-color:#34d3994d}[data-theme=dark] .btn-secondary{border-color:var(--border-strong);color:var(--text-secondary);background:#ffffff14}[data-theme=dark] .btn-secondary:hover{background:var(--primary-muted);border-color:var(--primary);color:var(--primary)}[data-theme=dark] .btn-ghost{border-color:var(--border-strong);color:var(--text)}[data-theme=dark] .btn-ghost:hover{color:var(--text);background:#ffffff0f}[data-theme=dark] .choose-card--ai{background:linear-gradient(140deg, var(--card) 0%, #4d8ef014 100%)}[data-theme=dark] .choose-card-btn--secondary{background:var(--bg-white);border-color:var(--border-strong)}[data-theme=dark] .ri-root-item{background:#ffffff0a}[data-theme=dark] .ri-root-item:hover{border-color:#4d8ef073}[data-theme=dark] .ri-children,[data-theme=dark] .ri-nested{border-left-color:var(--border)}[data-theme=dark] .ri-act-btn{color:var(--text-muted)}[data-theme=dark] .ri-act-btn:hover{color:var(--primary);background:#ffffff14}[data-theme=dark] .ri-act-btn--red:hover{color:var(--danger);background:#f871711f}[data-theme=dark] .ri-child-row{background:#ffffff08}[data-theme=dark] .ri-move-btn{color:var(--text-muted)}.theme-toggle-btn{border-radius:var(--radius-sm);background:var(--bg);border:1px solid var(--border);width:34px;height:34px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition);flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.theme-toggle-btn:hover{background:var(--primary-muted);color:var(--primary);border-color:var(--primary-muted-border)}.theme-toggle-sun{display:none}.theme-toggle-moon,[data-theme=dark] .theme-toggle-sun{display:block}[data-theme=dark] .theme-toggle-moon{display:none}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3,h4{font-weight:700;line-height:1.25}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}.landing-body{background:var(--bg)}.navbar{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--header-height);background:#ffffffd9;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:1200px;height:100%;margin:0 auto;padding:0 24px;display:flex}.navbar-logo{align-items:center;gap:10px;text-decoration:none;display:flex}.logo-icon{background:var(--primary);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.logo-icon svg{color:#fff;width:20px;height:20px}.logo-text{color:var(--text);letter-spacing:-.3px;font-size:18px;font-weight:700}.navbar-links{align-items:center;gap:6px;display:flex}.navbar-link{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition);padding:8px 14px;font-size:14px;font-weight:500;text-decoration:none}.navbar-link:hover{color:var(--primary);background:var(--primary-muted)}.navbar-divider{background:var(--border);width:1px;height:20px;margin:0 6px}.hero{background:var(--bg-white);border-bottom:1px solid var(--border);padding:80px 24px 100px;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background-image:radial-gradient(circle at 2px 2px,#135bec0d 1px,#0000 0);background-size:32px 32px;position:absolute;inset:0}.hero-inner{grid-template-columns:1fr 1fr;align-items:center;gap:64px;max-width:1200px;margin:0 auto;display:grid;position:relative}.hero-badge{background:var(--primary-muted);border:1px solid var(--primary-muted-border);border-radius:var(--radius-full);color:var(--primary);text-transform:uppercase;letter-spacing:.8px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 14px;font-size:12px;font-weight:700;display:inline-flex}.hero-badge-dot{background:var(--primary);border-radius:50%;flex-shrink:0;width:8px;height:8px;position:relative}.hero-badge-dot:before{content:"";background:var(--primary);opacity:.4;border-radius:50%;animation:1.5s cubic-bezier(0,0,.2,1) infinite ping;position:absolute;inset:-2px}@keyframes ping{0%{opacity:.4;transform:scale(1)}75%,to{opacity:0;transform:scale(2)}}.hero-title{color:var(--text);letter-spacing:-1.5px;margin-bottom:20px;font-size:52px;font-weight:800;line-height:1.1}.hero-title .accent{color:var(--primary)}.hero-subtitle{color:var(--text-secondary);max-width:480px;margin-bottom:36px;font-size:18px;line-height:1.6}.hero-cta{flex-wrap:wrap;gap:12px;margin-bottom:40px;display:flex}.hero-social{align-items:center;gap:12px;display:flex}.hero-avatars{display:flex}.hero-avatars img,.hero-avatar-placeholder{border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;margin-left:-8px;font-size:13px;font-weight:600;display:flex}.hero-avatars :first-child{margin-left:0}.hero-avatar-placeholder{background:var(--primary-muted);color:var(--primary)}.hero-social-text{color:var(--text-secondary);font-size:13px}.hero-social-text strong{color:var(--text);font-weight:700}.hero-mockup{position:relative}.hero-mockup-glow{pointer-events:none;background:radial-gradient(#135bec26 0%,#0000 70%);border-radius:50%;position:absolute;inset:-16px}.mockup-window{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.mockup-titlebar{border-bottom:1px solid var(--border);background:var(--bg);align-items:center;gap:6px;padding:10px 14px;display:flex}.mockup-dot{border-radius:50%;width:11px;height:11px}.mockup-dot.red{background:#ff5f56}.mockup-dot.yellow{background:#ffbd2e}.mockup-dot.green{background:#27c93f}.mkt-url-bar{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);text-align:center;text-overflow:ellipsis;white-space:nowrap;border-radius:5px;flex:1;margin-left:8px;padding:2px 8px;font-size:10px;overflow:hidden}.mkt-header{border-bottom:1px solid var(--border);background:var(--bg);justify-content:space-between;align-items:center;padding:8px 14px;display:flex}.mkt-header-left{color:var(--text);align-items:center;gap:5px;font-size:11px;font-weight:700;display:flex}.mkt-header-btn{background:var(--primary);color:#fff;border-radius:5px;align-items:center;gap:4px;padding:3px 9px;font-size:10px;font-weight:600;display:inline-flex}.mkt-body{flex-direction:column;gap:6px;padding:12px 14px;display:flex}.mkt-root{border:1px solid var(--border);background:var(--bg-white);border-radius:7px;overflow:hidden}.mkt-root--active{border-color:var(--primary);background:#135bec08}.mkt-root-row{align-items:center;gap:6px;padding:7px 9px;display:flex}.mkt-drag{color:var(--text-muted);flex-shrink:0}.mkt-root-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:10.5px;font-weight:600;overflow:hidden}.mkt-acts{flex-shrink:0;gap:3px;margin-left:auto;display:flex}.mkt-act-btn{background:var(--bg);border:1px solid var(--border);width:16px;height:16px;color:var(--text-muted);border-radius:3px;justify-content:center;align-items:center;display:flex}.mkt-act-btn--red{color:#ef4444;background:#ef444414;border-color:#ef444433}.mkt-kids{border-left:2px solid var(--border);flex-direction:column;gap:3px;margin:0 9px 8px 24px;padding-left:8px;display:flex}.mkt-kid{background:var(--bg-white);border:1px solid var(--border);border-radius:4px;align-items:center;gap:5px;padding:4px 7px;display:flex}.mkt-kid-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.mkt-kid--empty .mkt-kid-title{color:var(--text-secondary)}.mkt-check-empty{border:1.5px solid var(--border);border-radius:2px;flex-shrink:0;width:9px;height:9px}.mkt-progress-row{justify-content:space-between;align-items:center;margin-top:4px;display:flex}.mkt-progress-label{color:var(--text-muted);font-size:9px}.mkt-progress-pct{color:var(--primary);font-size:9px;font-weight:700}.mkt-progress-track{background:var(--border);border-radius:2px;height:4px;overflow:hidden}.mkt-progress-fill{background:var(--primary);border-radius:2px;height:100%}.section{padding:80px 24px}.section-inner{max-width:1200px;margin:0 auto}.section-header{text-align:center;margin-bottom:56px}.section-title{color:var(--text);margin-bottom:12px;font-size:32px;font-weight:700}.section-subtitle{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:16px}.section-divider{background:var(--primary);border-radius:var(--radius-full);width:48px;height:4px;margin:16px auto 0}.features-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.feature-card{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);transition:all var(--transition);padding:32px}.feature-card:hover{border-color:#135bec66;transform:translateY(-2px);box-shadow:0 8px 24px #135bec0f}.feature-card.featured{background:var(--bg-white);border:2px solid var(--primary);position:relative;box-shadow:0 8px 32px #135bec1f}.feature-badge{background:var(--primary);color:#fff;letter-spacing:.5px;text-transform:uppercase;border-radius:var(--radius-full);padding:3px 10px;font-size:10px;font-weight:700;position:absolute;top:12px;right:12px}.feature-icon{width:56px;height:56px;transition:transform var(--transition);border-radius:14px;justify-content:center;align-items:center;margin-bottom:20px;display:flex}.feature-card:hover .feature-icon{transform:scale(1.08)}.feature-icon.blue{background:var(--primary-muted);color:var(--primary)}.feature-icon.solid{background:var(--primary);color:#fff;box-shadow:0 4px 16px #135bec4d}.feature-icon svg{width:26px;height:26px}.feature-title{color:var(--text);margin-bottom:10px;font-size:18px;font-weight:700}.feature-desc{color:var(--text-secondary);font-size:14px;line-height:1.65}.stats-row{text-align:center;background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:48px;padding:48px;display:grid}.stat-number{color:var(--primary);letter-spacing:-1px;margin-bottom:6px;font-size:40px;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);font-size:14px}.footer{background:var(--bg);border-top:1px solid var(--border);padding:48px 24px}.footer-inner{flex-direction:column;align-items:center;gap:24px;max-width:1200px;margin:0 auto;display:flex}.footer-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;width:100%;display:flex}.footer-links{gap:24px;display:flex}.footer-link{color:var(--text-muted);transition:color var(--transition);font-size:14px;text-decoration:none}.footer-link:hover{color:var(--primary)}.footer-copy{color:var(--text-muted);font-size:13px}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-white);border-right:1px solid var(--border);z-index:100;height:100vh;transition:transform var(--transition);flex-direction:column;display:flex;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:20px;display:flex}.sidebar-logo-icon{background:var(--primary);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.sidebar-logo-icon svg{color:#fff;width:18px;height:18px}.sidebar-logo-text{color:var(--text);letter-spacing:-.3px;font-size:16px;font-weight:700}.sidebar-nav{flex:1;padding:12px;overflow-y:auto}.nav-section{margin-bottom:4px}.nav-section-title{letter-spacing:.8px;text-transform:uppercase;color:var(--text-muted);padding:8px 10px 4px;font-size:12px;font-weight:600}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition);align-items:center;gap:10px;margin-bottom:1px;padding:9px 12px;font-size:15px;font-weight:500;text-decoration:none;display:flex}.nav-link:hover{background:var(--primary-muted);color:var(--primary)}.nav-link.active{background:var(--primary-muted);color:var(--primary);font-weight:600}.nav-link svg{flex-shrink:0;width:17px;height:17px}.sidebar-footer{border-top:1px solid var(--border);padding:12px}.user-info{border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px;display:flex}.user-avatar{background:var(--primary-muted);width:34px;height:34px;color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.user-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.user-email{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.logout-btn{width:100%;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);background:0 0;border:none;align-items:center;gap:8px;margin-top:4px;padding:8px 12px;font-family:Inter,sans-serif;font-size:14px;display:flex}.logout-btn:hover{background:var(--danger-muted);color:var(--danger)}.logout-btn svg{width:15px;height:15px}.main-content{margin-left:var(--sidebar-width);background:var(--bg);flex-direction:column;flex:1;min-height:100vh;display:flex}.page-header{background:var(--bg-white);border-bottom:1px solid var(--border);height:var(--header-height);z-index:50;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 32px;display:flex;position:sticky;top:0}.page-title{color:var(--text);font-size:20px;font-weight:700}.page-actions{align-items:center;gap:10px;display:flex}.page-body{flex:1;padding:28px 32px}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;align-items:center;gap:7px;padding:10px 20px;font-family:Inter,sans-serif;font-size:15px;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn svg{flex-shrink:0;width:15px;height:15px}.btn-primary{color:#fff;background:linear-gradient(135deg,#4d8bff 0%,#135bec 55%,#0c44d4 100%);box-shadow:0 3px 12px #135bec59}.btn-primary:hover{color:#fff;background:linear-gradient(135deg,#5e99ff 0%,#1e6aff 55%,#1450e0 100%);transform:translateY(-1px);box-shadow:0 6px 20px #135bec73}.btn-secondary{background:var(--bg-white);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-muted)}.btn-danger{background:var(--danger-muted);color:var(--danger);border:1px solid #0000}.btn-danger:hover{background:var(--danger);color:#fff}.btn-download{color:#1a1200;background:linear-gradient(135deg,#f7971e 0%,#ffd200 100%);border:1px solid #0000;font-weight:600;box-shadow:0 2px 8px #f7971e59}.btn-download:hover{color:#1a1200;background:linear-gradient(135deg,#e8880f 0%,#f0c200 100%);transform:translateY(-1px);box-shadow:0 4px 14px #f7971e73}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-outline-primary{color:var(--primary);border:2px solid var(--primary);background:0 0}.btn-outline-primary:hover{background:var(--primary-muted)}.btn-sm{padding:8px 15px;font-size:14px}.btn-sm svg{width:13px;height:13px}.btn-lg{padding:14px 28px;font-size:16px}.btn-lg svg{width:18px;height:18px}.btn-icon{border-radius:var(--radius-sm);padding:8px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-title{color:var(--text);font-size:17px;font-weight:700}.dashboard-hero{background:var(--bg-white);border-bottom:1px solid var(--border);margin:-28px -32px 28px;padding:40px 32px 44px}.dashboard-hero h1{color:var(--text);letter-spacing:-.5px;margin-bottom:8px;font-size:30px;font-weight:800}.dashboard-hero p{color:var(--text-secondary);margin-bottom:24px;font-size:15px}.prompt-bar{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);max-width:700px;box-shadow:var(--shadow-sm);align-items:center;gap:12px;padding:6px 6px 6px 16px;display:flex}.prompt-bar-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;padding:8px 0;font-family:Inter,sans-serif;font-size:14px}.prompt-bar-input::placeholder{color:var(--text-muted)}.prompt-tags{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.prompt-tag{color:var(--primary);background:var(--primary-muted);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition);border:none;padding:4px 12px;font-family:Inter,sans-serif;font-size:12px;font-weight:500}.prompt-tag:hover{background:#135bec2e}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);align-items:center;gap:14px;padding:20px;display:flex}.stat-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.stat-icon.blue{background:var(--primary-muted);color:var(--primary)}.stat-icon.green{color:var(--success);background:#10b9811a}.stat-icon.orange{color:#f59e0b;background:#f59e0b1a}.stat-icon.purple{color:#8b5cf6;background:#8b5cf61a}.stat-icon svg{width:20px;height:20px}.stat-value{color:var(--text);letter-spacing:-.5px;font-size:26px;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);margin-top:2px;font-size:14px}.trees-grid{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:24px;display:grid}.tree-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:all var(--transition);box-shadow:var(--shadow-sm);flex-direction:column;display:flex;overflow:hidden}.tree-card:hover{box-shadow:var(--shadow-lg);border-color:#135bec4d;transform:translateY(-2px)}.tree-card-image{background:var(--bg);height:130px;position:relative;overflow:hidden}.tree-card-image-overlay{background:linear-gradient(135deg, var(--primary-muted) 0%, transparent 60%);position:absolute;inset:0}.tree-card-image-icon{color:#135bec33;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.tree-card-image-icon 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