.str-wrapper{flex-direction:column;gap:16px;max-width:920px;margin:0 auto;padding:0 16px 48px;display:flex}.str-page-header{text-align:center;max-width:920px;margin:0 auto;padding:24px 16px 8px}.str-presets{flex-wrap:wrap;gap:8px;display:flex}.str-preset-btn{border:1px solid var(--swp-border,#e5e7eb);background:var(--swp-surface,#fff);cursor:pointer;min-height:44px;color:var(--swp-ink);border-radius:8px;padding:8px 14px;font-size:13px;transition:background .15s,border-color .15s}.str-preset-btn:hover{background:var(--swp-bg,#f9fafb);border-color:var(--color-primary,#0d9488)}.str-layout{grid-template-columns:1fr 1fr;align-items:start;gap:24px;display:grid}.str-section{background:var(--swp-surface,#fff);border:1px solid var(--swp-border,#e5e7eb);border-radius:12px;flex-direction:column;gap:10px;margin-bottom:12px;padding:14px;display:flex}.str-section:last-child{margin-bottom:0}.str-section-title{color:var(--swp-ink);align-items:center;gap:8px;margin:0;font-size:13px;font-weight:800;display:flex}.str-input{border:2px solid var(--swp-border,#e5e7eb);width:100%;color:var(--swp-ink);background:var(--swp-bg,#f9fafb);box-sizing:border-box;border-radius:8px;padding:10px 14px;font-family:Courier New,Courier,monospace;font-size:15px;transition:border-color .15s,background .15s}.str-input:focus{border-color:var(--color-primary,#0d9488);outline:none}.str-char-count{color:var(--swp-ink-muted);text-align:right;margin:0;font-size:11px}.str-method-select{border:2px solid var(--swp-border,#e5e7eb);width:100%;min-height:44px;color:var(--swp-ink);background:var(--swp-bg,#f9fafb);cursor:pointer;border-radius:8px;padding:8px 12px;font-size:14px;transition:border-color .15s,background .15s}.str-method-select:focus{border-color:var(--color-primary,#0d9488);outline:none}.str-arg-group{flex-direction:column;gap:4px;display:flex}.str-arg-label{color:var(--swp-ink-muted);font-size:12px;font-weight:700}.str-arg-input{border:2px solid var(--swp-border,#e5e7eb);width:100%;min-height:44px;color:var(--swp-ink);background:var(--swp-bg,#f9fafb);box-sizing:border-box;border-radius:8px;padding:8px 12px;font-family:Courier New,Courier,monospace;font-size:14px;transition:border-color .15s,background .15s}.str-arg-input:focus{border-color:var(--color-primary,#0d9488);outline:none}.str-action-row{flex-wrap:wrap;gap:8px;display:flex}.str-action-btn{border:1px solid var(--swp-border,#e5e7eb);background:var(--swp-surface,#fff);cursor:pointer;min-height:44px;color:var(--swp-ink);border-radius:8px;padding:10px 20px;font-size:13px;font-weight:700;transition:background .15s,opacity .15s,border-color .15s}.str-action-btn:hover:not(:disabled){background:var(--swp-bg,#f9fafb)}.str-action-btn:disabled{opacity:.4;cursor:not-allowed}.str-action-btn--copied{color:#065f46;background:#d1fae5;border-color:#059669}.str-action-btn--reset{color:var(--swp-ink-muted)}.str-call-expr{background:var(--swp-bg,#f9fafb);border-left:4px solid var(--color-primary,#0d9488);word-break:break-all;color:var(--swp-ink);border-radius:8px;margin:0;padding:12px 16px;font-family:Courier New,Courier,monospace;font-size:13px}.str-result-box{border-radius:12px;flex-direction:column;gap:8px;min-height:64px;padding:16px;display:flex}.str-result-box--string{background:#ebf8ff;border:1px solid #bee3f8}.str-result-box--number,.str-result-box--boolean-true{background:#f0fff4;border:1px solid #9ae6b4}.str-result-box--boolean-false{background:#fff5f5;border:1px solid #feb2b2}.str-result-box--error{background:#fff5f5;border:2px solid #e53e3e}.str-result-string-value{color:#1a365d;word-break:break-all;font-family:Courier New,Courier,monospace;font-size:14px}.str-result-number-value{color:#276749;font-family:Courier New,Courier,monospace;font-size:28px;font-weight:700}.str-result-boolean-value{font-size:18px;font-weight:700}.str-result-error{color:#c53030;margin:0;font-size:13px}.str-result-meta{color:var(--swp-ink-muted);margin:0;font-size:11px}.str-result-array{flex-wrap:wrap;gap:6px;display:flex}.str-result-array-item{color:#2d3748;background:#e2e8f0;border-radius:999px;padding:4px 12px;font-family:Courier New,Courier,monospace;font-size:13px}.str-desc-return-type{background:var(--swp-bg,#f9fafb);border:1px solid var(--swp-border,#e5e7eb);color:var(--color-primary,#0d9488);border-radius:20px;padding:2px 8px;font-family:Courier New,Courier,monospace;font-size:11px;font-weight:700;display:inline-block}.str-desc-text{color:var(--swp-ink);margin:0;font-size:14px;line-height:1.7}.str-desc-example{color:#e2e8f0;word-break:break-all;white-space:pre-wrap;background:#1a202c;border-radius:8px;margin:0;padding:12px;font-family:Courier New,Courier,monospace;font-size:13px}.str-how-to{max-width:920px;margin:48px auto 0;padding:0 16px}.str-section-heading{color:var(--swp-ink);margin:0 0 16px;font-size:20px;font-weight:800}.str-steps{color:var(--swp-ink);flex-direction:column;gap:8px;padding-left:20px;font-size:15px;line-height:1.7;display:flex}.str-related-section{max-width:920px;margin:32px auto 0;padding:0 16px}.str-related-tools{flex-direction:column;gap:8px;display:flex}.str-related-link{color:var(--color-primary,#0d9488);font-size:15px;text-decoration:none}.str-related-link:hover{text-decoration:underline}@media (width<=639px){.str-layout{flex-direction:column;gap:16px;display:flex}.str-control-col{order:1}.str-result-col{order:2}.str-input{font-size:14px}}