:root{--bg: #f4f6fb;--surface: #ffffff;--border: #e4e8f0;--border-strong: #d4dae6;--text: #1d2330;--muted: #6b7280;--primary: #3b5bdb;--primary-ink: #2c46b8;--primary-soft: #eef2ff;--danger: #d6455b;--ok: #1f9d6b;--warn: #b25e00;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 6px 18px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:940px;margin:0 auto;padding:28px 20px 64px}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.muted{color:var(--muted)}h1{font-size:22px;font-weight:650;margin:0;letter-spacing:-.01em}h2{font-size:15px;font-weight:620;margin:0 0 14px;letter-spacing:-.005em}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;box-shadow:var(--shadow)}.row{display:flex;gap:10px;align-items:center}.row.wrap{flex-wrap:wrap;align-items:flex-end}.spread{display:flex;justify-content:space-between;align-items:center;gap:12px}input,select,textarea{font:inherit;color:var(--text);padding:9px 11px;border:1px solid var(--border-strong);border-radius:8px;background:#fff;outline:none;transition:border-color .12s,box-shadow .12s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}input::placeholder{color:#aab1bd}label{display:block;font-size:12.5px;font-weight:550;color:#4b5563;margin:11px 0 5px}button{font:inherit;font-weight:550;cursor:pointer;padding:9px 14px;border:1px solid var(--primary);border-radius:8px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;gap:7px;transition:background .12s,border-color .12s,box-shadow .12s,transform .04s}button:hover{background:var(--primary-ink);border-color:var(--primary-ink)}button:active{transform:translateY(1px)}button.secondary{background:#fff;color:var(--primary);border-color:var(--border-strong)}button.secondary:hover{background:var(--primary-soft);border-color:var(--primary)}button.danger{background:#fff;color:var(--danger);border-color:#ecc4ca}button.danger:hover{background:#fdecef}button.ghost{background:transparent;color:var(--muted);border-color:transparent;padding:6px 8px}button.ghost:hover{background:#eef0f5;color:var(--text)}button:disabled{opacity:.5;cursor:default;transform:none;box-shadow:none}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}th{font-size:11px;text-transform:uppercase;letter-spacing:.045em;color:var(--muted);font-weight:600}tr:last-child td{border-bottom:none}code{background:#f0f2f7;padding:2px 6px;border-radius:5px;font-size:12.5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#344054}ul{padding-left:18px}.err{color:var(--danger);font-size:13px;margin-top:8px}.ok{color:var(--ok);font-size:13px;margin-top:8px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:999px;background:#eef1f6;color:#475467}.badge.ok{background:#e6f6ee;color:var(--ok)}.badge.warn{background:#fbf0e3;color:var(--warn)}.badge.bad{background:#fdecef;color:var(--danger)}.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.spinner.dark{border-color:#3b5bdb40;border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:grid;place-items:start center;padding:32px 16px;overflow:auto;z-index:1000}.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 48px #10182833;width:720px;max-width:96vw;padding:22px 24px}.steps{display:flex;gap:9px;align-items:center;font-size:12.5px;color:var(--muted);margin:6px 0 18px}.step-dot{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#eef1f6;color:var(--muted);font-weight:600;font-size:12px}.step-dot.active{background:var(--primary);color:#fff}.step-line{flex:1;height:1px;background:var(--border-strong)}.tabbar{display:flex;gap:2px;border-bottom:1px solid var(--border);margin:18px 0}.tabbar button{background:transparent;color:var(--muted);border:none;border-bottom:2px solid transparent;border-radius:0;padding:10px 16px;font-weight:550}.tabbar button:hover{background:transparent;color:var(--text)}.tabbar button:active{transform:none}.tabbar button.active{color:var(--primary);border-bottom-color:var(--primary)}