:root {
  --bg: #edf3ff;
  --surface: #ffffff;
  --ink: #081737;
  --muted: #4b5f83;
  --line: #c7d7f0;
  --primary: #1d8df7;
  --primary-strong: #0f2f78;
  --ok: #0d8e57;
  --error: #c63645;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at 10% 10%, #d9e8ff 0%, transparent 46%), var(--bg);
  color: var(--ink);
}

.admin-wrap {
  width: min(1100px, 94vw);
  margin: 1.3rem auto 2.5rem;
  display: grid;
  gap: 1rem;
}

.admin-head h1 {
  margin: 0;
}

.admin-head p {
  margin: 0.35rem 0;
  color: var(--muted);
}

.admin-head a {
  color: var(--primary-strong);
  text-decoration-thickness: 1px;
}

.admin-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 18px 38px rgba(8, 23, 55, 0.1);
}

.admin-card h2 {
  margin: 0 0 0.8rem;
}

.grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.group {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem;
  background: #f8fbff;
}

.group h3 {
  margin: 0 0 0.6rem;
}

label {
  display: grid;
  gap: 0.28rem;
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c2d6f3;
  border-radius: 8px;
  padding: 0.52rem 0.6rem;
  font: inherit;
  color: var(--ink);
  background: #ffffff;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(29, 141, 247, 0.25);
  border-color: var(--primary);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.checkbox input {
  width: auto;
}

.button-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}

button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: #f8fbff;
  background: linear-gradient(120deg, var(--primary-strong), var(--primary));
}

button:hover {
  background: linear-gradient(120deg, #0a245f, #1a80df);
}

.status {
  min-height: 1.2rem;
  margin: 0.65rem 0 0;
  font-weight: 700;
}

.status.success {
  color: var(--ok);
}

.status.error {
  color: var(--error);
}

.hint {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}