*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0B0F14;--bg2: #121926;--card: #16202E;--card2: #1C2836;--line: #263445;--text: #E8EEF5;--muted: #8CA0B5;--accent: #B4FF3A;--accent-dark: #7ACC00;--danger: #F87171}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:Noto Sans Thai,system-ui,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100%;display:flex;flex-direction:column}.app{max-width:560px;margin:0 auto;width:100%;padding:0 16px 90px;flex:1}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0 12px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}.logo img{width:30px;height:30px;border-radius:8px}.logo .go{color:var(--accent)}.badge-pro{font-size:11px;background:var(--card2);border:1px solid var(--line);color:var(--muted);padding:3px 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.foot{display:flex;gap:8px;margin-top:12px}.chat-box{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.msg{max-width:85%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.6;white-space:pre-wrap}.msg.user{align-self:flex-end;background:var(--accent);color:#0b0f14;border-bottom-right-radius:4px}.msg.coach{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}.chat-input{position:fixed;bottom:66px;left:0;right:0;z-index:40}.chat-input .inner{max-width:560px;margin:0 auto;padding:8px 16px;display:flex;gap:8px;background:#0b0f14eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.chat-input input{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px 14px;font-family:inherit;font-size:14px;outline:none}.chat-input input:focus{border-color:var(--accent)}.chat-input 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8px}.footer-note{text-align:center;color:var(--muted);font-size:12px;padding:20px 0;line-height:1.7}a{color:var(--accent)}.hero{text-align:center;padding:36px 8px 24px}.hero h1{font-size:30px;margin-bottom:10px}.hero .accent{color:var(--accent)}@media (min-width: 640px){.app{padding-top:8px}}