:root,:root.theme-light{--accent: #7d4bff;--accent-light: color-mix(in srgb, var(--accent) 25%, white);--accent-hover: color-mix(in srgb, var(--accent) 80%, black);--bg-primary: #ffffff;--bg-secondary: #f7f7f7;--bg-chat: #f8f8f8;--text-primary: #1a1a1a;--text-secondary: #6b6b6b;--radius-lg: 22px;--radius-md: 16px;--radius-sm: 10px;--shadow-soft: 0 4px 18px rgba(0, 0, 0, .08);--shadow-medium: 0 6px 26px rgba(0, 0, 0, .12);--user-bubble-bg: var(--accent);--user-bubble-text: #ffffff;--ai-bubble-bg: #ffffff;--ai-bubble-text: #333333;--input-bg: #ffffff;--input-border: #dfdfdf;--input-radius: 14px;--preview-bg: #f8f8f8}:root.theme-dark{--bg-primary: #0f0f0f;--bg-secondary: #1c1c1c;--bg-chat: #1a1a1a;--text-primary: #f2f2f2;--text-secondary: #bcbcbc;--ai-bubble-bg: #1f1f1f;--ai-bubble-text: #efefef;--input-bg: #1c1c1c;--input-border: #444;--preview-bg: #1b1b1b}body{margin:0;padding:0;font-family:Inter,sans-serif;background:var(--bg-primary);color:var(--text-primary)}button{font-family:inherit;cursor:pointer}*{transition:all .18s ease}html,body{margin:0!important;padding:0!important;width:100%!important;overflow-x:hidden!important}.home-container{margin:0;padding:0;width:100%}.hero-full{width:100%;margin:0;padding:0}.hero-img{width:100%;height:auto;display:block;margin:0;padding:0}.home-core{padding:60px 20px;text-align:center}.home-title{font-size:52px;font-weight:900;color:#3b1d87}.home-subtitle{font-size:20px;color:#444;max-width:640px;margin:10px auto 30px}.home-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:50px}.btn-primary{background:#ffd84d;padding:14px 38px;border-radius:40px;font-size:18px;font-weight:800;color:#3b1d87;text-decoration:none;box-shadow:0 12px 30px #00000026}.btn-outline{border:2px solid #3b1d87;padding:14px 34px;border-radius:40px;font-size:18px;font-weight:700;color:#3b1d87;text-decoration:none}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px;max-width:900px;margin:60px auto;padding:0 20px}.feature-card{background:#faf8ff;border-radius:20px;padding:28px;box-shadow:0 10px 30px #0000000f}.footer{text-align:center;margin:80px 0;font-size:13px;opacity:.7}.chat-ui{display:flex;flex-direction:column;height:100%;background:#fff}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-msg{max-width:80%;padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.4}.msg-user{align-self:flex-end;background:#6b30ff;color:#fff}.msg-ai{align-self:flex-start;background:#f1f1f1;color:#333}.typing{opacity:.7;font-style:italic}.chat-input-box{display:flex;gap:10px;padding:14px;border-top:1px solid #ddd}.chat-input-box input{flex:1;padding:12px;border-radius:14px;border:1px solid #ccc;font-size:15px}.chat-send-btn{border:none;padding:0 20px;border-radius:14px;font-weight:600;color:#fff;cursor:pointer}.preview-card{width:100%;max-width:360px;border-radius:18px;overflow:hidden;background:var(--preview-bg);box-shadow:0 6px 24px #00000026;display:flex;flex-direction:column}.preview-header{padding:18px;display:flex;align-items:center;gap:12px;color:#fff}.preview-avatar{width:44px;height:44px;border-radius:50%;background:#ffffff2e;display:flex;justify-content:center;align-items:center;font-size:24px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.preview-title{font-size:18px;font-weight:600}.preview-body{background:var(--preview-bg);padding:0;height:360px;overflow:hidden}.theme-light{--preview-bg: #f8f8f8}.theme-dark{--preview-bg: #1b1b1b}.landing-container{height:100vh;width:100%;background:linear-gradient(135deg,#5b00ff,#a854ff);display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden;color:#fff;font-family:Inter,sans-serif}.particle-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(white 1px,transparent 1px);background-size:3px 3px;opacity:.2;animation:moveParticles 25s linear infinite}@keyframes moveParticles{0%{transform:translateY(0)}to{transform:translateY(-300px)}}.landing-content{z-index:10;text-align:left;max-width:600px;padding:40px}.title{font-size:3rem;font-weight:900}.bubbles{color:#6ee6ff}.subtitle{margin-top:10px;font-size:2rem;font-weight:700;opacity:.9}.description{margin-top:20px;font-size:1.2rem;line-height:1.4;opacity:.9}.cta-button{display:inline-block;margin-top:30px;background:#fff;color:#5b00ff;padding:14px 28px;font-size:1.2rem;border-radius:50px;text-decoration:none;font-weight:700;transition:.2s}.cta-button:hover{background:#e5e5ff}.footer{margin-top:40px;font-size:.9rem;opacity:.7}.runtime-container{height:100vh;display:flex;flex-direction:column;background:#fff}.runtime-header{padding:18px;display:flex;align-items:center;gap:12px;color:#fff}.runtime-avatar{font-size:26px}.runtime-title{font-size:20px;font-weight:700}.tc-body{flex:1;display:flex;flex-direction:column;height:100%}.runtime-dark{background:#111;color:#fff}.step-container{display:flex;gap:48px;padding:40px 60px;max-width:1400px;margin:0 auto;width:100%;box-sizing:border-box}.step-left{flex:1}.step-title{font-size:38px;font-weight:700;margin-bottom:30px;color:#1a1a1a}.step-label{font-size:16px;font-weight:600;margin-top:25px;display:block;margin-bottom:6px;color:#333}.step-input{width:100%;padding:14px 16px;border-radius:10px;border:1px solid #dcdcdc;font-size:15px;outline:none;transition:all .2s ease;box-sizing:border-box}.step-input:focus{border-color:#6b30ff;box-shadow:0 0 0 3px #6b30ff33}.color-input{width:80px;height:45px;border-radius:8px;border:1px solid #dcdcdc;cursor:pointer;margin-bottom:10px}.step-subtitle{font-size:22px;margin-top:40px;margin-bottom:20px;font-weight:600}.plans-grid{display:flex;gap:20px;flex-wrap:wrap}.plan-card{flex:1;min-width:260px;background:#fff;padding:22px;border-radius:18px;border:2px solid #e5e5e5;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 14px #0000000a}.plan-card:hover{border-color:#6b30ff;transform:translateY(-2px)}.plan-card.selected{border-color:#6b30ff;box-shadow:0 6px 25px #6b30ff2e;transform:translateY(-3px)}.plan-card h3{margin:0 0 10px;font-size:20px;font-weight:700}.price{font-size:22px;font-weight:800;color:#6b30ff;margin-bottom:10px}.features{font-size:14px;line-height:1.4;color:#555}.step-button{margin-top:40px;width:100%;padding:17px;font-size:18px;font-weight:600;border-radius:12px;border:none;background:#6b30ff;color:#fff;cursor:pointer;transition:all .25s ease}.step-button:hover{background:#5a22e3;transform:translateY(-2px)}.step-button:active{transform:translateY(0)}.step-right{width:420px;height:auto;padding-top:20px}.step-right>*{width:100%}.summary-card{background:#fff;padding:26px;border-radius:18px;box-shadow:0 12px 28px #00000014;margin-top:20px;border:1px solid #eaeaea}.summary-row{display:flex;justify-content:space-between;padding:10px 0;font-size:16px;border-bottom:1px solid #f0f0f0}.summary-row:last-child{border-bottom:none}.summary-row-large{margin-top:20px}.label{font-weight:700;color:#444}.color-preview{width:28px;height:28px;border-radius:8px;border:1px solid #ccc}.plan-tag{background:#6b30ff;color:#fff;padding:4px 12px;border-radius:8px;font-size:14px}.summary-text{margin-top:8px;padding:14px;background:#fafafa;border-radius:10px;border:1px solid #e5e5e5;line-height:1.5}@media (min-width: 1024px){.step-container{display:flex;align-items:flex-start;gap:48px}.step-left{flex:1}.step-right{width:420px;position:sticky;top:40px}}.step-textarea{width:100%;padding:14px 16px;border-radius:10px;border:1px solid #dcdcdc;font-size:15px;resize:none;outline:none;transition:all .2s ease;box-sizing:border-box}.step-textarea:focus{border-color:#6b30ff;box-shadow:0 0 0 3px #6b30ff33}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}.option-card{padding:14px 18px;border-radius:12px;background:#fff;border:2px solid #e5e5e5;text-align:left;cursor:pointer;font-size:15px;transition:all .2s ease}.option-card:hover{border-color:#6b30ff;transform:translateY(-2px)}.option-card.selected{border-color:#6b30ff;background:#f6f0ff;box-shadow:0 4px 16px #6b30ff26}.step-select{width:100%;padding:12px;border-radius:10px;border:1px solid #dcdcdc;font-size:15px;margin-top:10px;outline:none;transition:.2s ease}.step-select:focus{border-color:#6b30ff;box-shadow:0 0 0 3px #6b30ff33}.step-nav{display:flex;justify-content:space-between;margin-top:30px}.step-button-secondary{padding:12px 22px;background:#e9e9e9;border:none;border-radius:10px;cursor:pointer;font-size:15px;transition:.2s ease}.step-button-secondary:hover{background:#d4d4d4}.step-container{display:flex;gap:32px;width:100%;padding:40px 24px}.step-form{flex:1;display:flex;flex-direction:column;gap:18px}.step-title{font-size:26px;font-weight:700;margin-bottom:6px}.step-sub{opacity:.7;margin-bottom:12px;font-size:15px}.step-label{font-size:14px;font-weight:600;margin-top:12px}.step-input{padding:10px 14px;border-radius:10px;border:1px solid #ddd;font-size:15px;outline:none;transition:.2s}.step-input:focus{border-color:var(--accent, #7D4BFF)}.avatar-picker{display:flex;gap:8px;margin-top:6px}.avatar-btn{width:42px;height:42px;border-radius:12px;font-size:22px;background:#f4f4f4;border:2px solid transparent;cursor:pointer;transition:.2s}.avatar-btn:hover{background:#e8e8e8}.avatar-selected{border-color:var(--accent, #7D4BFF);background:#fff;box-shadow:0 4px 12px #0000001f}.color-picker{width:64px;height:34px;border-radius:8px;cursor:pointer;border:none}.theme-toggle{display:flex;gap:8px}.theme-toggle button{flex:1;padding:10px;border-radius:10px;border:1px solid #ccc;cursor:pointer;transition:.2s}.theme-toggle button:hover{background:#eee}.theme-active{background:var(--accent, #7D4BFF);color:#fff!important;border-color:transparent}.step-preview{width:380px;display:flex;justify-content:center}.step-select{padding:10px 12px;border-radius:10px;border:1px solid #ddd;font-size:15px;background:#fff;outline:none;transition:.2s}.step-select:focus{border-color:var(--accent, #7D4BFF)}.step-textarea{min-height:120px;padding:12px 14px;border-radius:12px;border:1px solid #ddd;resize:vertical;font-size:15px;outline:none;transition:.2s}.step-textarea:focus{border-color:var(--accent, #7D4BFF);box-shadow:0 4px 12px #00000014}.next-step-btn{margin-top:24px;width:100%;padding:14px;border:none;border-radius:14px;background:var(--accent);color:#fff;font-size:16px;font-weight:600;cursor:pointer;box-shadow:var(--shadow-soft)}.next-step-btn:hover{background:var(--accent-hover)}.step-nav{display:flex;justify-content:space-between;margin-top:32px}.step-btn{padding:12px 22px;background:var(--accent);border:none;color:#fff;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer}.step-btn:hover{background:var(--accent-hover)}.step-btn-outline{padding:12px 22px;background:transparent;border:2px solid var(--accent);color:var(--accent);border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer}.step-btn-outline:hover{background:var(--accent-light)}.hero-full{width:100%;margin:0;padding:0;overflow:hidden}.hero-full-img{width:100%;height:auto;display:block}.home-section{background:#fff;padding:50px 24px;text-align:center}.home-title{font-size:52px;font-weight:800;color:#3b1d87;margin-bottom:14px}.home-sub{font-size:20px;max-width:750px;margin:0 auto 36px;color:#444;line-height:1.45}.cta-row{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}.cta-primary{background:#ffd84d;color:#3b1d87;padding:16px 40px;border-radius:40px;font-weight:800;font-size:18px;text-decoration:none;box-shadow:0 12px 32px #00000026}.cta-secondary{border:2px solid #3b1d87;color:#3b1d87;padding:16px 34px;border-radius:40px;font-weight:700;font-size:18px;text-decoration:none;opacity:.9}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px;padding:60px 24px;background:#fff;max-width:1000px;margin:0 auto}.feature-card{background:#faf8ff;border-radius:20px;padding:26px;border:1px solid #eee;box-shadow:0 8px 24px #0000000f;text-align:left}.feature-emoji{font-size:28px;margin-bottom:12px}.feature-title{margin:0 0 8px;font-size:20px;font-weight:700}.feature-text{margin:0;opacity:.8;line-height:1.45}.home-footer{margin-top:70px;padding-bottom:40px;text-align:center;font-size:14px;opacity:.7}