:root{
  --wac-bg:#ffffff;
  --wac-surface:#ffffff;
  --wac-border:#e5e7eb;
  --wac-text:#0f172a;
  --wac-muted:#6b7280;
  --wac-accent:#2563eb;
  --wac-green:#16a34a;
  --wac-orange:#f59e0b;
  --wac-red:#ef4444;
}

.wac-wrap{max-width:860px;margin:32px auto;padding:0 16px 48px;color:var(--wac-text);}
.wac-title{margin:0 0 16px;font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:.2px;}

.wac-card{background:var(--wac-surface);border:1px solid var(--wac-border);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(2,6,23,.06);}
.wac-card-header{padding:18px 20px 10px;border-bottom:1px solid var(--wac-border);}
.wac-card-title{font-size:16px;font-weight:700;}
.wac-card-sub{margin-top:6px;font-size:13px;color:var(--wac-muted);}

.wac-form{padding:18px 20px 8px;}
.wac-row{display:grid;grid-template-columns:160px 1fr;gap:14px;align-items:start;margin-bottom:14px;}
.wac-row label{padding-top:10px;font-size:13px;color:var(--wac-muted);}
.wac-form input[type="text"],.wac-form input[type="url"],.wac-form textarea{
  width:100%;background:#fff;color:var(--wac-text);
  border:1px solid var(--wac-border);border-radius:10px;padding:12px 14px;outline:none;
  transition:border-color .15s, box-shadow .15s;font:inherit;
}
.wac-form textarea{resize:vertical;min-height:140px;}
.wac-form input:focus,.wac-form textarea:focus{border-color:var(--wac-accent);box-shadow:0 0 0 3px rgba(37,99,235,.15);}

.wac-actions{display:flex;align-items:center;gap:14px;margin-top:8px;}
.wac-btn{position:relative;display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,#3b82f6,#60a5fa);
  color:#fff;border:none;border-radius:10px;padding:12px 18px;font-weight:700;cursor:pointer;transition:transform .06s ease, filter .15s ease;}
.wac-btn:hover{filter:brightness(1.05);} .wac-btn:active{transform:translateY(1px);}
.wac-spinner{width:0;height:0;border-radius:50%;border:2px solid transparent;border-top-color:#fff;animation:wac-spin .8s linear infinite;}
.wac-btn.loading .wac-spinner{width:16px;height:16px;}
.wac-btn.loading .wac-btn-text{opacity:.85;}
@keyframes wac-spin{to{transform:rotate(360deg);}}
.wac-hint{color:var(--wac-muted);}

/* RESULTS: single column */
.wac-grid{margin-top:22px;display:block;}
.wac-check{
  background:#fff;border:1px solid var(--wac-border);border-left:6px solid var(--wac-accent);
  border-radius:14px;padding:16px;margin-bottom:14px;
}
.wac-check.good{border-left-color:var(--wac-green);}
.wac-check.warn{border-left-color:var(--wac-orange);}
.wac-check.bad{ border-left-color:var(--wac-red);}

/* header row inside each card */
.wac-headline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.wac-title-sm{margin:0;font-size:16px;font-weight:700;}
.wac-pill{height:28px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;border:1px solid var(--wac-border);background:#f8fafc;color:var(--wac-text);white-space:nowrap;}
.wac-pill.good{background:#ecfdf5;border-color:#bbf7d0;color:#065f46;}
.wac-pill.warn{background:#fff7ed;border-color:#fed7aa;color:#7c2d12;}
.wac-pill.bad{ background:#fef2f2;border-color:#fecaca;color:#7f1d1d;}

.wac-suggestion{margin:0;color:var(--wac-muted);font-size:13px;line-height:1.55;}

/* score box */
.wac-score{
  text-align:center;
  border:1px solid #e5e7eb;
  border-radius:12px;
  background:#f8fafc;
  padding:16px;
  margin:18px 0;
}
.wac-score-number{ font-size:36px; font-weight:800; line-height:1; }
.wac-score-label{ font-size:12px; color:#6b7280; margin-top:4px; }
.wac-score-bar{ position:relative; height:8px; background:#e5e7eb; border-radius:999px; overflow:hidden; margin-top:12px; }
.wac-score-bar span{ position:absolute; left:0; top:0; bottom:0; width:0%; background:#2563eb; }

.wac-score-good .wac-score-number{ color:#16a34a; }
.wac-score-warn .wac-score-number{ color:#f59e0b; }
.wac-score-bad  .wac-score-number{ color:#ef4444; }
.wac-score-good .wac-score-bar span{ background:#16a34a; }
.wac-score-warn .wac-score-bar span{ background:#f59e0b; }
.wac-score-bad  .wac-score-bar span{ background:#ef4444; }