:root{--purple: #534AB7;--purple-l: #EEEDFE;--purple-b: #AFA9EC;--green: #3B6D11;--green-l: #EAF3DE;--amber: #854F0B;--amber-l: #FAEEDA;--red: #A32D2D;--red-l: #FCEBEB;--bg: #F7F6F2;--surface: #FFFFFF;--text: #1A1A1A;--text2: #6B6B6B;--text3: #A0A0A0;--level-a1-bg: #EAF3DE;--level-a1-text: #27500A;--level-a2-bg: #EEEDFE;--level-a2-text: #3C3489;--level-b1-bg: #FAEEDA;--level-b1-text: #633806;--level-b1p-bg: #FAECE7;--level-b1p-text: #4A1B0C;--level-b2-bg: #FCEBEB;--level-b2-text: #501313}*{box-sizing:border-box}body{margin:0;font-family:Manrope,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}#root{min-height:100vh}button{font-family:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.app-content{flex:1;padding:14px 16px 88px}.screen{display:flex;align-items:center;justify-content:center;min-height:60vh;background:var(--surface);border:1px solid rgba(0,0,0,.08);border-radius:16px;font-size:18px;font-weight:600}.btn-primary{width:100%;border:0;border-radius:14px;padding:14px;font-size:16px;font-weight:700;background:var(--purple);color:#eeedfe;cursor:pointer}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:10px 12px 20px;background:var(--surface);border-top:1px solid rgba(0,0,0,.08)}.bottom-nav__item{text-decoration:none;text-align:center;color:var(--text2);padding:10px 8px;border-radius:12px;font-size:21px;font-weight:700}.bottom-nav__item--active{color:var(--purple);background:var(--purple-l)}.onb-screen{display:flex;flex-direction:column;gap:14px}.onb-avatar-wrap{display:flex;justify-content:center}.onb-avatar{width:80px;height:80px;border-radius:999px;object-fit:cover;border:2.5px solid var(--purple)}.onb-title{margin:0;text-align:center;font-size:36px;line-height:1.1;font-weight:800}.onb-subtitle{margin:0;text-align:center;font-size:15px;line-height:1.55;color:var(--text2)}.onb-bubble{display:flex;gap:10px;padding:12px;border-radius:14px;border:1px solid var(--purple-b);background:var(--purple-l);color:#26215c;line-height:1.5;font-size:14px}.onb-bubble-avatar{width:36px;height:36px;border-radius:999px;object-fit:cover;border:1px solid var(--purple-b);flex-shrink:0}.onb-bubble p{margin:0}.onb-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.onb-chip{background:var(--surface);border:1px solid rgba(0,0,0,.08);border-radius:12px;padding:12px 8px;text-align:center}.onb-chip strong{display:block;font-size:18px;font-weight:800}.onb-chip span{color:var(--text3);font-size:11px}.diag-screen{display:flex;flex-direction:column;gap:14px}.diag-header{display:flex;align-items:center;gap:10px}.diag-back{width:32px;height:32px;border-radius:999px;border:1px solid rgba(0,0,0,.14);background:var(--surface);color:var(--text2);cursor:pointer}.diag-title-wrap{flex:1}.diag-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.diag-title{font-size:14px;font-weight:700}.diag-counter{font-size:12px;color:var(--text2)}.diag-progress{height:3px;border-radius:3px;background:#00000014;overflow:hidden}.diag-progress-fill{height:100%;background:var(--purple)}.diag-card{background:var(--surface);border:1px solid rgba(0,0,0,.08);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:12px}.diag-meta-row{display:flex;gap:8px;align-items:center}.pill-level{border-radius:14px;padding:3px 10px;font-size:12px;font-weight:700}.pill-level-a1{background:var(--level-a1-bg);color:var(--level-a1-text)}.pill-level-a2{background:var(--level-a2-bg);color:var(--level-a2-text)}.pill-level-b1{background:var(--level-b1-bg);color:var(--level-b1-text)}.pill-level-b1p{background:var(--level-b1p-bg);color:var(--level-b1p-text)}.pill-level-b2{background:var(--level-b2-bg);color:var(--level-b2-text)}.diag-domain-chip{border-radius:14px;padding:3px 10px;font-size:12px;color:var(--text2);border:1px solid rgba(0,0,0,.12);background:var(--bg)}.diag-question{margin:0;font-size:20px;line-height:1.4}.diag-options{display:flex;flex-direction:column;gap:7px}.diag-option{border:1px solid rgba(0,0,0,.14);background:var(--bg);border-radius:12px;padding:11px 12px;text-align:left;display:flex;align-items:center;gap:10px;cursor:pointer}.diag-option:disabled{cursor:default}.diag-option-id{width:26px;height:26px;border-radius:999px;border:1px solid rgba(0,0,0,.14);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--text2);background:var(--surface)}.diag-option--correct{border-color:var(--green);background:var(--green-l)}.diag-option--wrong{border-color:var(--red);background:var(--red-l)}.diag-option--correct .diag-option-id{border-color:#3b6d1166;color:var(--green)}.diag-option--wrong .diag-option-id{border-color:#a32d2d73;color:var(--red)}.diag-option-text{font-size:15px}.feedback-bubble{display:flex;gap:8px;border-radius:12px;background:var(--purple-l);border:1px solid var(--purple-b);color:#26215c;padding:10px}.bubble-avatar{width:28px;height:28px;border-radius:999px;object-fit:cover;flex-shrink:0}.bubble-text{font-size:13px;line-height:1.55}.diag-loading{text-align:center;color:var(--text2);padding:24px 12px}