.am-tool{gap:1rem;max-width:860px;margin:1.5rem auto 3rem;padding:0 1rem;display:grid}.am-panel{border:1px solid var(--border,#e2e2e2);border-radius:1rem;gap:.75rem;padding:1rem 1.25rem 1.25rem;display:grid}.am-panel h2{margin:0;font-size:1.05rem}.am-durations{flex-wrap:wrap;gap:.5rem;display:flex}.am-durations .button,.am-actions .button{min-height:44px}.am-durations .is-on{outline:2px solid var(--focus,#1a73e8);outline-offset:2px}.am-stats{flex-wrap:wrap;gap:1rem;display:flex}.am-stat{gap:.15rem;min-width:100px;display:grid}.am-stat dt{opacity:.75;font-size:.8rem}.am-stat dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.4rem;font-weight:700}.am-arena{border:2px dashed var(--border,#b9b9b9);touch-action:manipulation;-webkit-user-select:none;user-select:none;cursor:crosshair;border-radius:.9rem;min-height:320px;position:relative;overflow:hidden}.am-arena.is-live{border-style:solid;border-color:var(--focus,#1a73e8)}.am-target{border:3px solid var(--focus,#1a73e8);background:radial-gradient(circle, var(--focus,#1a73e8) 28%, transparent 30%);cursor:pointer;border-radius:50%;width:56px;min-width:56px;height:56px;min-height:56px;margin:-28px;padding:0;position:absolute}.am-target:focus-visible{outline:3px solid var(--focus,#1a73e8);outline-offset:2px}.am-msg{text-align:center;pointer-events:none;font-weight:600;position:absolute;inset:auto 0 .75rem}.am-hint,.am-tip{opacity:.85;margin:0;font-size:.92rem}.am-result{background:var(--surface,#f6f6f6);border-radius:.75rem;gap:.3rem;padding:.9rem 1rem;display:grid}.am-result strong{font-variant-numeric:tabular-nums;font-size:1.6rem}