.arr-page-header{max-width:960px;margin:0 auto;padding:24px 16px 8px;text-align:center}.arr-layout{max-width:960px;margin:0 auto;padding:0 16px;display:grid;grid-template-columns:380px 1fr;gap:32px;align-items:start}.arr-controls-col{display:flex;flex-direction:column;gap:20px}.arr-viz-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:16px}.arr-input-row{display:flex;flex-direction:column;gap:6px}.arr-input-field{padding:10px 12px;border:1px solid var(--swp-border);border-radius:var(--r-md);font-family:var(--font-mono);font-size:14px;min-height:44px;background:var(--swp-surface);color:var(--swp-ink);width:100%;box-sizing:border-box}.arr-input-error{font-size:12px;color:#dc2626}.arr-method-tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:2px solid var(--swp-border);padding-bottom:0}.arr-tab{padding:8px 14px;min-height:44px;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;background:transparent;font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--swp-ink-muted);cursor:pointer;border-radius:var(--r-sm) var(--r-sm) 0 0;transition:color .15s,border-color .15s}.arr-tab--active,.arr-tab[aria-selected=true]{color:var(--color-primary);border-bottom-color:var(--color-primary)}.arr-callback-area{display:flex;flex-direction:column;gap:8px}.arr-callback-textarea{padding:10px 12px;border:1px solid var(--swp-border);border-radius:var(--r-md);font-family:var(--font-mono);font-size:13px;min-height:80px;resize:vertical;background:var(--swp-surface-code);color:var(--swp-ink);line-height:1.6;tab-size:2;width:100%;box-sizing:border-box}.arr-callback-textarea:focus{outline:2px solid var(--color-primary);outline-offset:-2px}.arr-initial-row{display:flex;align-items:center;gap:8px}.arr-initial-row label{font-size:13px;color:var(--swp-ink-muted);white-space:nowrap}.arr-initial-input{padding:8px 10px;border:1px solid var(--swp-border);border-radius:var(--r-md);font-family:var(--font-mono);font-size:13px;min-height:44px;width:80px;background:var(--swp-surface);color:var(--swp-ink)}.arr-speed-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.arr-speed-btn{padding:6px 12px;min-height:44px;border:1px solid var(--swp-border);border-radius:var(--r-pill);font-size:13px;background:var(--swp-surface);cursor:pointer}.arr-speed-btn--active,.arr-speed-btn[aria-pressed=true]{background:var(--swp-surface-alt);font-weight:700;border-color:var(--swp-ink-muted)}.arr-run-btn{padding:10px 28px;min-height:44px;border-radius:var(--r-pill);font-weight:700;font-size:14px;background:var(--color-primary);color:var(--color-primary-content);border:none;cursor:pointer}.arr-run-btn:disabled{opacity:.5;cursor:not-allowed}.arr-reset-btn{padding:8px 16px;min-height:44px;border-radius:var(--r-pill);font-size:13px;cursor:pointer;border:1px solid var(--swp-border);background:var(--swp-surface)}.arr-copy-btn{padding:8px 16px;min-height:44px;border-radius:var(--r-pill);font-size:13px;font-weight:600;cursor:pointer;border:none;background:var(--color-primary);color:var(--color-primary-content);transition:background .2s;margin-top:4px}.arr-copy-btn:hover{opacity:.9}.arr-copy-btn--copied{background:#16a34a}.arr-presets{display:flex;flex-wrap:wrap;gap:8px}.arr-chip{display:flex;flex-direction:column;padding:6px 12px;min-height:44px;border:1px solid var(--swp-border);border-radius:var(--r-md);background:var(--swp-surface);font-size:12px;cursor:pointer;text-align:left;justify-content:center;transition:background .15s}.arr-chip:hover{background:var(--swp-surface-alt)}.arr-chip-label{font-weight:600;font-size:13px;color:var(--swp-ink)}.arr-chip-desc{font-size:11px;color:var(--swp-ink-muted);margin-top:2px}.arr-viz-section{display:flex;flex-direction:column;gap:16px}.arr-elem-row{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.arr-elem-box{display:flex;flex-direction:column;align-items:center;gap:4px}.arr-elem-value{width:48px;height:48px;border:2px solid var(--swp-border);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:16px;font-weight:700;background:var(--swp-surface);color:var(--swp-ink);transition:background .2s,border-color .2s,color .2s}.arr-elem-box--active .arr-elem-value{background:#0d9488;border-color:#0d9488;color:#fff;transform:scale(1.1)}.arr-elem-box--result .arr-elem-value{background:#f0fdfa;border-color:#0d9488;color:#0d9488}.arr-elem-box--excluded .arr-elem-value{background:#f1f5f9;border-color:#cbd5e1;color:#94a3b8;text-decoration:line-through}.arr-step-label{font-size:11px;color:var(--swp-ink-muted);text-align:center;max-width:60px;word-break:break-all}.arr-output-section{display:flex;flex-direction:column;gap:8px}.arr-output-value{font-family:var(--font-mono);font-size:22px;font-weight:800;color:#0d9488;padding:12px 16px;background:#f0fdfa;border:1px solid #0d9488;border-radius:var(--r-lg);word-break:break-all}.arr-early-exit-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:#fef9c3;border:1px solid #fde047;border-radius:var(--r-pill);font-size:12px;color:#713f12;font-weight:600}.arr-error-box{padding:12px 14px;background:#fee2e2;border:1px solid #fca5a5;border-radius:var(--r-md);font-family:var(--font-mono);font-size:12px;color:#7f1d1d;white-space:pre-wrap}.arr-section-title{font-size:16px;font-weight:700;color:var(--swp-ink);margin:0 0 12px}.arr-how-to,.arr-related-section{max-width:960px;margin:48px auto 0;padding:0 16px}.arr-steps{padding-left:1.4em}.arr-steps li{margin-bottom:8px;line-height:1.6}.arr-related-list{list-style:none;padding:0}.arr-related-list li{margin-bottom:6px}.arr-related-tools{display:flex;flex-direction:column;gap:6px}.arr-related-link{color:var(--color-primary);text-decoration:none}.arr-related-link:hover{text-decoration:underline}@media(prefers-reduced-motion:reduce){.arr-elem-value,.arr-chip{transition:none}.arr-elem-box--active .arr-elem-value{transform:none}}@media(max-width:639px){.arr-layout{grid-template-columns:1fr;gap:20px}.arr-controls-col{order:2}.arr-viz-col{order:1;position:static}.arr-method-tabs{gap:2px}.arr-tab{font-size:12px;padding:6px 10px}.arr-elem-value{width:40px;height:40px;font-size:14px}.arr-chip-desc{display:none}.arr-run-btn{width:100%}}