:root{color-scheme:light;--bg: #f4f5f7;--surface: #ffffff;--border: #dcdfe4;--text: #1f2328;--text-muted: #5b6270;--primary: #1a56db;--primary-hover: #163f9c;--danger: #b42318;--warning-bg: #fff4e5;--warning-border: #f0b429;--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.page{max-width:640px;margin:0 auto;padding:2rem 1.25rem 4rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.25rem}h1{font-size:1.5rem;margin:0 0 .5rem}h2{font-size:1.1rem;margin:0 0 .75rem}p.muted,.muted{color:var(--text-muted)}.disclaimer{background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:var(--radius);padding:.9rem 1rem;font-size:.9rem;margin-bottom:1.5rem}label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.9rem}input[type=text],input[type=number],input[type=email],select{width:100%;padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;font-size:1rem;margin-bottom:1rem}.field-group{margin-bottom:1.25rem}button,.btn{display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:6px;padding:.65rem 1.1rem;font-size:.95rem;cursor:pointer;text-decoration:none}button:hover,.btn:hover{background:var(--primary-hover)}button.secondary{background:transparent;color:var(--primary);border:1px solid var(--primary)}button.secondary:hover{background:#eef2ff}button:disabled{opacity:.5;cursor:not-allowed}.error{color:var(--danger);font-size:.9rem;margin:.5rem 0}.radio-row{display:flex;gap:1rem;margin-bottom:1rem}.radio-row label{font-weight:400;display:flex;align-items:center;gap:.4rem;margin:0}.method-tabs{display:flex;gap:.5rem;margin-bottom:1rem}.method-tabs button{background:var(--surface);color:var(--text-muted);border:1px solid var(--border)}.method-tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.result-item{border:1px solid var(--border);border-radius:6px;padding:.75rem;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center;gap:.5rem}.badge{display:inline-block;background:#eef2ff;color:var(--primary);border-radius:999px;padding:.15rem .6rem;font-size:.8rem;font-weight:600}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.topbar a{color:var(--text-muted);text-decoration:none;font-size:.9rem;margin-left:1rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.5rem;border-bottom:1px solid var(--border);font-size:.9rem}.hidden{display:none!important}.global-loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#f4f5f7b3;display:none;align-items:center;justify-content:center;z-index:9999;cursor:wait}.global-loading-overlay.visible{display:flex}.global-loading-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:global-loading-spin .8s linear infinite}@keyframes global-loading-spin{to{transform:rotate(360deg)}}