:root {
  --bg: #0b1322;
  --panel: #13213a;
  --panel-soft: #172844;
  --line: rgba(170, 197, 232, 0.28);
  --ink: #eaf4ff;
  --muted: #a7c0df;
  --accent: #5fc7f7;
  --danger: #ff7b7b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, #1d3557 0%, transparent 30%),
    radial-gradient(circle at 88% 8%, #14325b 0%, transparent 32%),
    linear-gradient(155deg, #08101d 0%, #101f35 48%, #0c1526 100%);
}

.auth-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: min(430px, 100%);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(19, 33, 58, 0.96), rgba(13, 24, 43, 0.96));
  box-shadow: 0 12px 42px rgba(2, 8, 16, 0.46);
}

.auth-title {
  margin: 0 0 6px;
  font-size: 30px;
}

.auth-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.auth-form input {
  width: 100%;
  border: 1px solid #4f6d96;
  background: var(--panel-soft);
  color: var(--ink);
  border-radius: 9px;
  padding: 10px 12px;
  font: inherit;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(95, 199, 247, 0.2);
}

.auth-button {
  border: 1px solid #7fa2cd;
  background: linear-gradient(180deg, #205089, #1a3f70);
  color: #eff8ff;
  border-radius: 9px;
  padding: 10px 12px;
  font: inherit;
  cursor: pointer;
}

.auth-button:hover {
  border-color: #b0c9ea;
}

.auth-message {
  min-height: 20px;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.auth-message.error {
  color: var(--danger);
}

.auth-links {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.auth-links a {
  color: #a8dfff;
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

.admin-page {
  margin: 0 auto;
  max-width: 840px;
  padding: 24px 20px 32px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-link,
.admin-button {
  border: 1px solid #5f769d;
  background: #1a3659;
  color: #e0efff;
  border-radius: 8px;
  padding: 6px 10px;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.admin-button {
  min-width: 86px;
}

.admin-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(13, 24, 43, 0.92);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(174, 197, 231, 0.16);
  font-size: 14px;
}

.admin-table th {
  color: #bad2ef;
}

.admin-role {
  text-transform: capitalize;
}

.admin-table tbody tr:last-child td {
  border-bottom: 0;
}