:root,:root[data-theme=dark]{color-scheme:dark;--surface-base:#06121b;--surface-gradient:radial-gradient(circle at 20% 5%,#123c45 0,#06121b 42%);--surface-raised:rgba(5,22,31,0.88);--surface-sunken:rgba(8,29,39,0.82);--surface-input:rgba(3,16,23,0.9);--border-strong:#275461;--border-subtle:#234653;--text-primary:#f7fbff;--text-secondary:#d8eaf0;--text-muted:#84aab5;--accent:#25d39a;--accent-strong:#0ea875;--accent-contrast:#042016;--accent-ring:rgba(37,211,154,0.45);--accent-gold:#ffd166;--home-glow-a:rgba(37,211,154,0.22);--home-glow-b:rgba(255,209,102,0.14);--danger:#ff8188;--danger-surface:rgba(94,24,32,0.5);--bubble-coach:rgba(8,29,39,0.92);--bubble-user:#16624c;--bubble-user-text:#eafff7;--shadow-raised:0 30px 90px rgba(0,0,0,0.32);--shadow-soft:0 8px 24px rgba(0,0,0,0.22)}:root[data-theme=light]{color-scheme:light;--surface-base:#f3f8fa;--surface-gradient:radial-gradient(circle at 20% 5%,#dff0f2 0,#f3f8fa 42%);--surface-raised:rgba(255,255,255,0.96);--surface-sunken:#ffffff;--surface-input:#ffffff;--border-strong:#b9d2da;--border-subtle:#d3e3e9;--text-primary:#08222d;--text-secondary:#2c5462;--text-muted:#5d7d89;--accent:#0b8f66;--accent-strong:#077152;--accent-contrast:#ffffff;--accent-ring:rgba(11,143,102,0.35);--accent-gold:#e79a12;--home-glow-a:rgba(11,143,102,0.14);--home-glow-b:rgba(231,154,18,0.16);--danger:#b3252f;--danger-surface:rgba(179,37,47,0.08);--bubble-coach:#ffffff;--bubble-user:#0b8f66;--bubble-user-text:#ffffff;--shadow-raised:0 20px 60px rgba(12,58,74,0.12);--shadow-soft:0 6px 18px rgba(12,58,74,0.1)}:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;background:var(--surface-base);color:var(--text-primary)}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--surface-gradient);color:var(--text-primary);overflow-x:clip;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}main{width:min(1080px,calc(100% - 24px));margin:0 auto;padding:24px 0 32px}.hero{max-width:760px;padding:28px 22px;border:1px solid var(--border-strong);border-radius:22px;background:var(--surface-raised);box-shadow:var(--shadow-raised)}.home{background:radial-gradient(620px 620px at -60px -80px,var(--home-glow-a),transparent 70%),radial-gradient(680px 680px at calc(100% + 140px) 540px,var(--home-glow-b),transparent 70%)}.hero-showcase{max-width:none;padding:0;overflow:hidden}.hero-art{position:relative}.hero-art img,.hero-art svg{display:block;width:100%;height:250px;object-fit:cover;object-position:center}.hero-art:after{content:"";position:absolute;left:0;right:0;bottom:0;height:52px;background:linear-gradient(to bottom,transparent,var(--surface-raised))}.hero-body{padding:20px 22px 30px}.hero h1{background:linear-gradient(94deg,var(--text-primary) 35%,var(--accent) 85%,var(--accent-gold) 115%);-webkit-background-clip:text;background-clip:text;color:transparent}.card-icon{width:46px;height:46px;margin-bottom:14px;border-radius:14px;display:grid;place-items:center;color:var(--accent);background:var(--accent-ring)}.badge{display:inline-block;padding:8px 12px;border-radius:999px;background:var(--accent-strong);color:var(--accent-contrast);font-weight:800;letter-spacing:.02em}h1{margin:20px 0 16px;font-size:clamp(34px,8vw,76px);line-height:1;letter-spacing:-.045em}.lead{color:var(--text-secondary);font-size:17px;line-height:1.6}.primary{display:inline-block;margin-top:18px;padding:15px 20px;border-radius:12px;background:linear-gradient(120deg,var(--accent),var(--accent-strong));color:var(--accent-contrast);font-weight:900;text-decoration:none;box-shadow:0 12px 28px var(--accent-ring);transition:transform .15s ease,box-shadow .15s ease}.primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px var(--accent-ring)}.primary:focus-visible,.theme-toggle:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px}.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.secondary{display:inline-block;margin-top:18px;padding:15px 20px;border:1px solid var(--border-strong);border-radius:12px;background:transparent;color:var(--text-primary);font-weight:800;text-decoration:none}.secondary:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px}.auth-main{width:min(440px,calc(100% - 24px));margin:0 auto;padding:32px 0;min-height:100dvh;display:flex;align-items:center;justify-content:center}.auth-card{width:100%;padding:28px 22px;border:1px solid var(--border-strong);border-radius:22px;background:var(--surface-raised);box-shadow:var(--shadow-raised)}.auth-title{margin:18px 0 10px;font-size:clamp(28px,7vw,38px);line-height:1.1;letter-spacing:-.03em}.auth-lead{color:var(--text-secondary);font-size:16px;line-height:1.55;margin:0 0 20px}.field{display:block;margin-bottom:16px}.field-label{display:block;margin-bottom:6px;font-size:14px;font-weight:700;color:var(--text-secondary)}.field-input{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface-input);color:var(--text-primary);font:inherit;font-size:16px}.field-input:focus-visible{outline:3px solid var(--accent-ring);outline-offset:1px;border-color:var(--accent)}.auth-submit{width:100%;margin-top:4px;border:none;cursor:pointer;font-size:16px;min-height:48px}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-error{margin:0 0 14px;border-radius:10px;background:var(--danger-surface);color:var(--danger)}.auth-error,.auth-notice{padding:10px 12px;font-size:14px}.auth-notice{margin:0 0 16px;border:1px solid var(--border-subtle);border-radius:10px;color:var(--text-secondary)}.auth-foot{margin:18px 0 0;line-height:1.5;text-align:center}.auth-foot,.field-hint{color:var(--text-muted);font-size:13px}.field-hint{display:block;margin-top:6px}.optional{color:var(--text-muted);font-weight:400}.inline-link{color:var(--accent);font-weight:700}.choice-set{border:0;padding:0;margin:0 0 18px}.choice-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.choice{min-height:44px;padding:10px 14px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface-input);color:var(--text-primary);font:inherit;font-size:15px;font-weight:600;cursor:pointer}.choice-on{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);font-weight:800}.choice:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px}.terms-box{margin:4px 0 18px;padding:14px;border:1px solid var(--border-subtle);border-radius:14px;background:var(--surface-sunken)}.terms-summary{margin:0;padding-left:20px;color:var(--text-secondary);font-size:14px;line-height:1.6}.terms-summary li{margin-bottom:6px}.checkbox-field{display:flex;gap:10px;align-items:flex-start;margin-top:12px;font-size:14px;color:var(--text-secondary)}.checkbox-field input{width:20px;height:20px;margin-top:1px;accent-color:var(--accent);flex:none}.doc-main{width:min(720px,calc(100% - 24px));margin:0 auto;padding:28px 0 48px}.doc{padding:4px}.doc-section{margin-top:26px}.doc-section h2{font-size:20px;margin:0 0 8px}.doc-section p{color:var(--text-secondary);line-height:1.65;margin:0 0 12px}.chat-main{width:min(720px,100%);margin:0 auto;height:100dvh;display:flex;flex-direction:column;padding:0 12px}.chat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 96px 14px 0}.chat-signout{min-height:44px;padding:8px 14px;border:1px solid var(--border-strong);border-radius:999px;background:transparent;color:var(--text-secondary);font:inherit;font-size:14px;font-weight:700;cursor:pointer}.chat-input:focus-visible,.chat-send:focus-visible,.chat-signout:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px}.chat-feed{flex:1 1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:4px 2px 12px;-webkit-overflow-scrolling:touch}.bubble{max-width:86%;padding:12px 15px;border-radius:18px;font-size:16px;line-height:1.5;overflow-wrap:anywhere}.bubble-coach{align-self:flex-start;border:1px solid var(--border-subtle);border-bottom-left-radius:6px;background:var(--bubble-coach);color:var(--text-primary);box-shadow:var(--shadow-soft)}.bubble-user{align-self:flex-end;border-bottom-right-radius:6px;background:var(--bubble-user);color:var(--bubble-user-text)}.bubble-line{margin:0 0 10px}.bubble-line:last-child{margin-bottom:0}.bubble-gap{display:block;height:2px}.bubble-typing{display:flex;gap:5px;align-items:center;padding:15px}.dot{width:7px;height:7px;border-radius:50%;background:var(--text-muted);animation:chat-dot 1.2s ease-in-out infinite}.dot:nth-child(2){animation-delay:.15s}.dot:nth-child(3){animation-delay:.3s}@keyframes chat-dot{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.chat-composer{display:flex;gap:8px;padding:10px 0 calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border-subtle);background:var(--surface-base)}.chat-input{flex:1 1}.chat-send{width:auto;margin:0;border:none;cursor:pointer;padding:12px 20px;min-height:48px}.chat-send:disabled{opacity:.55;cursor:not-allowed}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.grid{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px;margin-top:24px}article{position:relative;overflow:hidden;padding:24px;border:1px solid var(--border-subtle);border-radius:18px;background:var(--surface-sunken);transition:transform .18s ease,box-shadow .18s ease}article:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--accent),var(--accent-gold))}article:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}article h2{margin-top:0;font-size:20px}article p{color:var(--text-secondary);line-height:1.55}footer{color:var(--text-muted);margin-top:28px;text-align:center}.theme-toggle{position:fixed;top:calc(12px + env(safe-area-inset-top));right:calc(12px + env(safe-area-inset-right));z-index:20;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface-raised);color:var(--text-primary);font:inherit;font-size:14px;font-weight:700;cursor:pointer;box-shadow:var(--shadow-soft)}@media (min-width:760px){main{width:min(1080px,calc(100% - 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