:root{--bg:#f5f6f8;--surface:#fff;--border:#d9dce1;--text:#1c1f24;--text-muted:#6b7280;--accent:#8b5cf6;--accent-contrast:#fff;--error-bg:#fdeceb;--error-border:#e5534b;--error-text:#8a1f16;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:15px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#14161a;--surface:#1b1e24;--border:#2e333c;--text:#e6e8eb;--text-muted:#9aa1ac;--accent:#a78bfa;--accent-contrast:#0b1220;--error-bg:#3a1c1c;--error-border:#e5534b;--error-text:#ffb4ac;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100vh;margin:0}#root{min-height:100vh}.site-header{align-items:center;gap:10px;margin-bottom:12px;display:flex}.site-header__brand{color:var(--accent);white-space:nowrap;font-size:15px;font-weight:700;text-decoration:none}.site-header__brand:hover{text-decoration:underline}.site-header__divider{color:var(--text-muted);font-weight:400}.site-header__title{color:var(--text-muted);white-space:nowrap;font-size:15px;font-weight:600}.toolbar-spacer{flex:1}.btn,.toggle-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}.btn:hover,.toggle-btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.icon-btn{padding:6px 10px}.app{max-width:1000px;min-height:100%;margin:0 auto;padding:24px 24px 40px}.app-header{margin-bottom:16px}.app-subtitle{color:var(--text-muted);margin:0;font-size:14px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.input-panel{margin-bottom:20px}.input-label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.input-textarea{resize:vertical;border:1px solid var(--border);width:100%;min-height:100px;font-family:var(--mono);background:var(--surface);color:var(--text);border-radius:8px;padding:12px;font-size:14px;line-height:1.5}.input-textarea:focus{border-color:var(--accent);outline:none}.case-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}.case-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.case-card__header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.case-card__label{color:var(--text-muted);font-size:12.5px;font-weight:600}.case-card__value{font-family:var(--mono);word-break:break-word;min-height:20px;padding:12px;font-size:13.5px}.empty-state{color:var(--text-muted)}