:root,[data-theme=dark]{--bg:#0f1115;--card-bg:#171a21;--card-border:#232732;--input-bg:#0f1218;--input-border:#2a2f3d;--text-primary:#e6e8ec;--text-secondary:#8a93a6;--text-label:#b6bdcc;--switch-bg:#0f1218;--switch-border:#2a2f3d;--switch-hover:#cfd3dd;--switch-active-bg:#2a2f3d;--switch-active-text:#fff;--link:#6b9aff;--link-hover:#8fb1ff;--link-underline:rgba(107,154,255,.45);--link-underline-hover:rgba(143,177,255,.85);--result-success-bg:rgba(56,178,120,.12);--result-success-border:rgba(56,178,120,.4);--result-success-text:#6fe1a3;--result-error-bg:rgba(255,99,99,.1);--result-error-border:rgba(255,99,99,.35);--result-error-text:#ff8b8b;--result-info-bg:rgba(79,124,255,.1);--result-info-border:rgba(79,124,255,.35);--result-info-text:#9bb4ff;--row-bg:#0f1218;--row-border:#232732;--badge-ok-bg:rgba(56,178,120,.15);--badge-ok-text:#6fe1a3;--badge-warn-bg:rgba(232,168,56,.15);--badge-warn-text:#f0c473;--badge-muted-bg:rgba(120,130,150,.18);--badge-muted-text:#aab1bf;--badge-bad-bg:rgba(255,99,99,.15);--badge-bad-text:#ff8b8b;--shadow:0 20px 60px rgba(0,0,0,.4);--focus-ring:#4f7cff}[data-theme=light]{--bg:#f3f5f8;--card-bg:#fff;--card-border:#e5e8ee;--input-bg:#f7f8fa;--input-border:#d9dde4;--text-primary:#1a1d24;--text-secondary:#6a7180;--text-label:#3a4150;--switch-bg:#eef0f4;--switch-border:#dee2e9;--switch-hover:#2a2f3d;--switch-active-bg:#fff;--switch-active-text:#1a1d24;--link:#2c5cd8;--link-hover:#1a47c2;--link-underline:rgba(44,92,216,.4);--link-underline-hover:rgba(26,71,194,.85);--result-success-bg:rgba(20,150,90,.1);--result-success-border:rgba(20,150,90,.35);--result-success-text:#0d7a4a;--result-error-bg:rgba(220,60,60,.08);--result-error-border:rgba(220,60,60,.3);--result-error-text:#c82c2c;--result-info-bg:rgba(60,100,220,.08);--result-info-border:rgba(60,100,220,.28);--result-info-text:#2747b8;--row-bg:#f7f8fa;--row-border:#e5e8ee;--badge-ok-bg:rgba(20,150,90,.12);--badge-ok-text:#0d7a4a;--badge-warn-bg:rgba(200,140,30,.14);--badge-warn-text:#94600a;--badge-muted-bg:rgba(120,130,150,.14);--badge-muted-text:#5d6577;--badge-bad-bg:rgba(220,60,60,.1);--badge-bad-text:#c82c2c;--shadow:0 12px 40px rgba(20,30,60,.1);--focus-ring:#4f7cff}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text-primary);min-height:100%;transition:background .2s,color .2s}main{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:580px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:18px;padding:36px 38px;box-shadow:var(--shadow);position:relative;transition:background .2s,border-color .2s}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.lang-switch{display:inline-flex;gap:4px;padding:4px;background:var(--switch-bg);border:1px solid var(--switch-border);border-radius:999px}.lang-switch button{width:auto;margin:0;padding:5px 14px;font-size:12px;font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-radius:999px;cursor:pointer;transition:background .15s,color .15s}.lang-switch button:hover{color:var(--switch-hover)}.lang-switch button.active{background:var(--switch-active-bg);color:var(--switch-active-text)}.theme-toggle{width:36px;height:36px;margin:0;padding:0;display:inline-flex;align-items:center;justify-content:center;background:var(--switch-bg);border:1px solid var(--switch-border);border-radius:999px;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s,transform .15s}.theme-toggle:hover{color:var(--switch-hover);transform:rotate(15deg)}.theme-toggle svg{width:16px;height:16px}.tab-bar{display:flex;gap:6px;padding:4px;background:var(--switch-bg);border:1px solid var(--switch-border);border-radius:12px;margin-bottom:22px}.tab{flex:1 1;padding:9px 12px;font-size:14px;font-weight:500;color:var(--text-secondary);background:transparent;border:none;border-radius:8px;cursor:pointer;transition:background .15s,color .15s;margin:0;width:auto}.tab:hover{color:var(--switch-hover)}.tab.active{background:var(--switch-active-bg);color:var(--switch-active-text);box-shadow:0 1px 3px rgba(0,0,0,.08)}.title{font-size:26px;font-weight:600;margin:0 0 8px;color:var(--text-primary)}.subtitle{margin:0 0 26px;color:var(--text-secondary);font-size:14px}label{display:block;font-size:14px;color:var(--text-label);margin:18px 0 8px}input,textarea{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-primary);font-size:15px;font-family:inherit;outline:none;transition:border-color .15s,background .2s,color .2s}input:focus,textarea:focus{border-color:var(--focus-ring)}textarea{min-height:180px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.session-hint{margin:-2px 0 10px;font-size:12.5px;line-height:1.5;color:var(--text-secondary)}.session-hint a{color:var(--link);text-decoration:none;border-bottom:1px dashed var(--link-underline);padding-bottom:1px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;transition:color .15s,border-color .15s}.session-hint a:hover{color:var(--link-hover);border-bottom-color:var(--link-underline-hover)}button[type=submit]{width:100%;margin-top:26px;padding:15px 18px;border:none;border-radius:12px;background:linear-gradient(135deg,#4f7cff,#6a5cff);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:transform .05s,opacity .15s}button[type=submit]:hover{opacity:.92}button[type=submit]:active{transform:translateY(1px)}button[type=submit]:disabled{opacity:.55;cursor:not-allowed}.result{margin-top:20px;padding:14px 16px;border-radius:10px;font-size:14px;line-height:1.55;word-break:break-word;transition:background .2s,border-color .2s,color .2s}.result.success{background:var(--result-success-bg);border:1px solid var(--result-success-border);color:var(--result-success-text)}.result.error{background:var(--result-error-bg);border:1px solid var(--result-error-border);color:var(--result-error-text)}.result.info{background:var(--result-info-bg);border:1px solid var(--result-info-border);color:var(--result-info-text)}textarea.codes{min-height:220px;font-size:13px}.check-results{margin-top:22px}.check-summary{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px dashed var(--card-border)}.check-total{font-size:13px;color:var(--text-secondary);margin-right:4px}.check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:360px;overflow-y:auto}.check-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--row-bg);border:1px solid var(--row-border);border-radius:10px}.check-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--text-primary);word-break:break-all;flex:1 1;min-width:0}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;white-space:nowrap;flex-shrink:0}.badge-ok{background:var(--badge-ok-bg);color:var(--badge-ok-text)}.badge-warn{background:var(--badge-warn-bg);color:var(--badge-warn-text)}.badge-muted{background:var(--badge-muted-bg);color:var(--badge-muted-text)}.badge-bad{background:var(--badge-bad-bg);color:var(--badge-bad-text)}