:root {
  --bg: #f7fbfb;
  --card: #ffffff;
  --primary: #0ea5a4; /* teal */
  --secondary: #2563eb; /* blue */
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --danger: #ef4444;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
}

header {
  background: linear-gradient(135deg, #ecfeff, #f8fafc);
  border-bottom: 1px solid var(--border);
}

a { color: var(--secondary); text-decoration: none; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 520px) {
  .row { grid-template-columns: 1fr; }
}

/* 🔥 Här är overflow-fixen */
.row > div { min-width: 0; }

label {
  display: block;
  margin: 10px 0 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

input, select, textarea {
  width: 100%;
  max-width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
}

button {
  width: 100%;
  max-width: 100%;
  margin-top: 12px;
  background: var(--primary);
  color: white;
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
}

.muted { color: var(--muted); }

.error { color: var(--danger); font-weight: 700; }

.ad {
  margin: 18px 0;
  padding: 18px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

footer {
  margin-top: 44px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}