:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #1f6feb;
  --accent-dark: #164ea6;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --ok: #067647;
  --ok-bg: #ecfdf3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 18px 60px;
}

.narrow {
  max-width: 520px;
}

.header,
.panel,
.player-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
}

.header {
  background: #ffffff;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.badge {
  display: inline-block;
  font-size: 13px;
  font-weight: bold;
  color: var(--accent);
  background: #eaf2ff;
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

h1 {
  margin: 0 0 8px;
  font-size: 34px;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

p {
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.note {
  font-size: 14px;
  margin-top: 24px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}

.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
  font-size: 14px;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 11px 12px;
  font-size: 16px;
  background: #fff;
}

button,
.button {
  appearance: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
}

button:hover,
.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button-muted {
  background: #fff;
  color: var(--accent);
}

.button-danger {
  background: var(--danger);
  border-color: var(--danger);
}

.button-danger:hover {
  background: #8f1b13;
  border-color: #8f1b13;
}

.alert {
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-weight: 700;
}

.alert-error {
  color: var(--danger);
  background: var(--danger-bg);
}

.alert-success {
  color: var(--ok);
  background: var(--ok-bg);
}

.video-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.video-list li {
  border-top: 1px solid var(--border);
}

.video-list li:first-child {
  border-top: none;
}

.video-link {
  appearance: none;
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  padding: 18px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  justify-content: flex-start;
}

.video-link:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  background: transparent;
}

.video-number {
  color: var(--muted);
  font-weight: 700;
  margin-right: 8px;
}

.player-card {
  display: none;
}

.player-card.active {
  display: block;
}

.player-title {
  margin-bottom: 16px;
}

.video-frame {
  max-width: 425px;
  margin: 0 auto;
}

video {
  width: 100%;
  border-radius: 8px;
  background: #000;
  display: block;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-top: 1px solid var(--border);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.status {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 8px;
  font-weight: 700;
  font-size: 12px;
}

.status-active {
  color: var(--ok);
  background: var(--ok-bg);
}

.status-revoked,
.status-expired {
  color: var(--danger);
  background: var(--danger-bg);
}

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

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

@media (max-width: 640px) {
  .wrap {
    padding: 22px 14px 44px;
  }

  .header,
  .panel,
  .player-card {
    padding: 20px;
  }

  .topbar,
  .form-grid {
    display: block;
  }

  h1 {
    font-size: 28px;
  }

  .video-link {
    font-size: 16px;
  }
}