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label{display:block;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.auth-input,.profile-input,.profile-select{width:100%;background:var(--bg-subtle);border:1px solid var(--line-control);border-radius:8px;padding:10px 14px;font-family:inherit;font-size:14px;color:var(--ink-bright);transition:all .15s;box-sizing:border-box}.auth-input:focus,.profile-input:focus,.profile-select:focus{outline:0;border-color:var(--line-focus);box-shadow:0 0 0 3px var(--blue-dim)}.auth-submit-btn{width:100%;padding:12px;background:linear-gradient(135deg,#4f52ee,#3b2ba6);border:0;border-radius:8px;color:#fff;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 14px rgba(37,99,235,.35);margin-top:8px}.auth-submit-btn:hover{background:linear-gradient(135deg,#1d4ed8,#6d28d9);transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.45)}.auth-status-msg{padding:10px 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var(--line-soft);border-radius:12px;padding:14px;text-align:center}.profile-stat-box .stat-val{font-size:22px;font-weight:800;color:var(--ink-bright);font-feature-settings:"tnum"}.profile-stat-box .stat-label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-top:4px}.profile-tracks-section{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:12px;padding:16px;margin-bottom:24px}.profile-track-row{margin-bottom:14px}.profile-track-row:last-child{margin-bottom:0}.profile-track-header{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:6px}.profile-track-bar{height:8px;background:var(--bg);border-radius:4px;overflow:hidden}.profile-track-fill{height:100%;border-radius:4px;transition:width .4s ease}.profile-track-fill.core{background:linear-gradient(90deg,#4f52ee,#35c3f2)}.profile-track-fill.math{background:linear-gradient(90deg,#0284c7,#38bdf8)}.profile-track-fill.code{background:linear-gradient(90deg,#059669,#34d399)}.profile-actions-bar{display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line-soft);padding-top:18px;margin-top:20px}[data-theme=light] .auth-user-chip{background:var(--panel);border-color:var(--line)}[data-theme=light] .auth-user-chip:hover{background:var(--panel-2)}[data-theme=light] .user-dropdown{background:var(--panel);border-color:var(--line)}[data-theme=light] .auth-modal-card,[data-theme=light] .profile-modal-card{background:var(--panel);border-color:var(--line)}[data-theme=light] .auth-tabs{background:var(--bg-subtle);border-bottom-color:var(--line-soft)}[data-theme=light] .auth-tab.active{background:var(--panel)}[data-theme=light] .auth-input,[data-theme=light] .profile-input,[data-theme=light] 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