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var(--border);font-size:11.5px;color:var(--text-3)}.account-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-signout{flex:none;padding:2px 8px;border:1px solid transparent;border-radius:6px;background:none;color:var(--text-3);font:inherit;font-size:11.5px;cursor:pointer}.account-signout:hover{border-color:var(--border-strong);color:var(--text)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.stats{padding-bottom:16px}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:18px}.stat-cell{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 4px;border-radius:var(--r-card);background:var(--surface)}.stat-cell strong{font-size:20px;font-weight:650;letter-spacing:-.02em}.stat-cell span{color:var(--text-3);font-size:10.5px;text-align:center;line-height:1.25}.chart{margin-bottom:20px}.chart h3{margin:0 0 8px;color:var(--text-2);font-size:12px;font-weight:600}.bars{display:flex;align-items:flex-end;gap:2px;height:72px;padding:6px 8px;border-radius:var(--r-card);background:var(--surface)}.bar{flex:1;min-height:2px;border-radius:2px;background:var(--accent)}.heatmap{display:flex;gap:5px;padding:8px;border-radius:var(--r-card);background:var(--surface)}.heatmap-days{display:grid;grid-template-rows:repeat(7,1fr);gap:3px;color:var(--text-3);font-size:8.5px;line-height:16px}.heatmap-grid{display:flex;flex:1;gap:3px}.heatmap-col{display:grid;grid-template-rows:repeat(7,1fr);flex:1;gap:3px}.cell{aspect-ratio:1;border-radius:2px;background:var(--surface-2)}.cell.pad{background:none}.cell.lv0{background:var(--surface-2)}.cell.lv1{background:color-mix(in srgb,var(--accent) 28%,var(--surface-2))}.cell.lv2{background:color-mix(in srgb,var(--accent) 52%,var(--surface-2))}.cell.lv3{background:color-mix(in srgb,var(--accent) 76%,var(--surface-2))}.cell.lv4{background:var(--accent)}.acc-line{display:flex;align-items:baseline;gap:8px;padding:7px 0;border-bottom:1px solid var(--border-2);font-size:13px}.acc-line>span:first-child{flex:1;min-width:0}.acc-line strong{font-weight:620}.acc-detail{color:var(--text-3);font-size:11.5px;font-variant-numeric:tabular-nums}.acc-bar{display:flex;overflow:hidden;height:8px;margin:4px 0 10px;border-radius:999px;background:var(--surface-2)}.seg-again{background:var(--danger)}.seg-hard{background:color-mix(in srgb,var(--accent) 40%,var(--surface-2))}.seg-good{background:var(--accent)}.seg-easy{background:var(--ok)}.practice-banner{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px;padding:8px 10px;border-radius:var(--r-control);background:var(--accent-soft);color:var(--accent-text);font-size:12.5px}.practice-banner button{padding:4px 10px;border:1px solid var(--border-strong);border-radius:var(--r-control);background:var(--bg);color:var(--text);font:inherit;font-size:12px;cursor:pointer}html,body{margin:0;padding:0;height:100%;overscroll-behavior-y:none}body{background:var(--bg);color:var(--fg)}.app{max-width:560px;margin-inline:auto;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);box-shadow:0 0 0 1px var(--border)}@media (min-width: 561px){body{background:var(--bg)}}@media (hover: none){.tabs button{min-height:44px}}