:root {
  --blue: #0d47a1;
  --light: #f3f7ff;
  --border: rgba(13, 71, 161, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: var(--light);
  color: #0b1b2b;
}

.admin-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px;
}

.admin-card {
  width: min(420px, 90vw);
  background: #fff;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 30px rgba(13, 71, 161, 0.1);
}

.admin-card h1 {
  margin: 0 0 6px;
}

.admin-card p {
  margin: 0 0 18px;
  color: #506070;
}

label {
  display: block;
  font-weight: 600;
  margin: 12px 0 6px;
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font: inherit;
  margin-bottom: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.admin-error {
  background: #ffe5e5;
  color: #9c1c1c;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.admin-note {
  font-size: 0.9rem;
  color: #566679;
}

.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: #0d47a1;
  color: #fff;
  padding: 24px;
}

.admin-sidebar h2 {
  margin: 0 0 16px;
}

.admin-sidebar a {
  display: block;
  color: #fff;
  text-decoration: none;
  margin-bottom: 10px;
  opacity: 0.85;
}

.admin-content {
  padding: 28px;
}

.section-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 20px;
}

.section-card h3 {
  margin-top: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.inline-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.small-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.table th,
.table td {
  border-bottom: 1px solid var(--border);
  padding: 8px;
  text-align: left;
}