:root{--bg:#f8fafc;--surface:#fff;--ink:#1e293b;--muted:#64748b;--green:#22c55e;--green-hover:#16a34a;--red:#ef4444;--blue:#3b82f6;--border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,.08);--radius:8px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;min-height:100vh}
.shell{max-width:960px;margin:0 auto;padding:24px 16px}
.layout{display:grid;grid-template-columns:1fr 260px;gap:24px;align-items:start}
@media(max-width:720px){.layout{grid-template-columns:1fr}}
.workspace{display:flex;flex-direction:column;gap:20px}
.mast h1{font-size:1.5rem;font-weight:700}
.product-selectors{display:flex;gap:12px;margin-top:8px}
.product-select{padding:8px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.select-caption{font-size:.75rem;color:var(--muted);display:block}
.select-value{font-size:.9rem}
.country-select{font-size:.9rem;font-weight:600;border:none;background:transparent;color:var(--ink);cursor:pointer;appearance:auto;padding:0;outline:none;min-width:80px}
.country-select:disabled{opacity:.5;cursor:not-allowed}
.country-select option{font-weight:400}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:16px}
.field label{font-size:.85rem;font-weight:500;display:block;margin-bottom:6px}
.card-input-row{display:flex;gap:8px}
.card-input-row input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:monospace}
.card-input-row input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.paste-button{padding:10px 18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;font-size:.85rem;white-space:nowrap}
.paste-button:hover{background:var(--bg)}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.actions button{flex:1;min-width:100px;padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;font-size:.85rem;font-weight:500;transition:all .15s}
.actions button:hover:not(:disabled){background:var(--bg)}
.actions button:disabled{opacity:.5;cursor:not-allowed}
.actions button.primary{background:var(--green);color:#fff;border-color:var(--green)}
.actions button.primary:hover:not(:disabled){background:var(--green-hover)}
.actions button.danger{background:var(--red);color:#fff;border-color:var(--red)}
.notice{padding:12px 16px;border-radius:var(--radius);font-size:.85rem}
.notice.error{background:#fef2f2;color:var(--red);border:1px solid #fecaca}
.notice.success{background:#f0fdf4;color:var(--green);border:1px solid #bbf7d0}
.used-notice{padding:10px 14px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:var(--radius);font-size:.85rem;text-align:center;font-weight:500}
.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center}
.tile span{display:block;font-size:.75rem;color:var(--muted);margin-bottom:4px}
.tile strong{font-size:1.1rem}
.code-tile strong{font-size:1.5rem;font-family:monospace;letter-spacing:4px;color:var(--green)}
.phone-tile{display:flex;flex-direction:column;align-items:center;gap:2px}
.phone-tile .phone-country{font-size:.85rem;font-weight:500;color:var(--muted);font-family:inherit}
.phone-tile .phone-number{font-size:1.1rem;font-family:monospace;letter-spacing:1px}
.sidebar{display:flex;flex-direction:column;gap:16px}
.pass-rate{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}
.pass-rate span{font-size:.8rem;color:var(--muted)}
.pass-rate strong{font-size:1.8rem;color:var(--green)}
.frequency-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.sidebar-head{font-size:.8rem;color:var(--muted);margin-bottom:8px}
.frequency-list{display:flex;flex-direction:column;gap:4px}
.frequency-empty{color:var(--muted);font-size:.85rem}
.frequency-item{display:flex;justify-content:space-between;font-size:.8rem;padding:2px 0}
.frequency-bar{height:4px;background:var(--green);border-radius:2px;margin-top:2px}