:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --border: #e3e8ee;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #1f6feb;
  --primary-text: #ffffff;
  --accent-vip: #b45309;
  --accent-vip-bg: #fef3c7;
  --accent-becado: #1d4ed8;
  --accent-becado-bg: #dbeafe;
  --tag-bg: #f1f5f9;
  --tag-text: #334155;
  --success: #047857;
  --danger: #b91c1c;
  --warning: #92400e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
}

.panel {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.status {
  padding: 16px;
  text-align: center;
  color: var(--muted);
}

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

.panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.panel__name {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
}

.panel__sub {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.kv {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.kv > div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.kv dt {
  color: var(--muted);
  font-size: 12px;
}

.kv dd {
  margin: 0;
  text-align: right;
  font-size: 12px;
  word-break: break-word;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--tag-text);
}

.tag--vip {
  background: var(--accent-vip-bg);
  color: var(--accent-vip);
  font-weight: 600;
}

.tag--becado {
  background: var(--accent-becado-bg);
  color: var(--accent-becado);
}

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.list li {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}

.list__title {
  font-weight: 600;
  font-size: 12px;
}

.list__meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 4px;
  background: var(--tag-bg);
  color: var(--tag-text);
}

.badge--active { background: #d1fae5; color: var(--success); }
.badge--expired { background: #fee2e2; color: var(--danger); }
.badge--deactivated { background: #fef3c7; color: var(--warning); }

.progress__item {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 8px;
}

.progress__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 12px;
}

.progress__bar {
  height: 6px;
  background: var(--tag-bg);
  border-radius: 4px;
  overflow: hidden;
  margin: 6px 0 8px;
}

.progress__bar-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s;
}

.progress__lessons {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--muted);
}

.progress__lessons li.completed::marker { content: "✓ "; color: var(--success); }
.progress__lessons li.completed { color: var(--text); }
.progress__lessons li.pending::marker { content: "○ "; }

.progress__toggle {
  font-size: 11px;
  color: var(--primary);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.note-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.note-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  resize: vertical;
}

.note-form__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.note-form__feedback {
  font-size: 11px;
  color: var(--muted);
}

.note-form__feedback--error { color: var(--danger); }
.note-form__feedback--success { color: var(--success); }

.btn {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}

.btn--primary:hover { filter: brightness(0.95); }

.empty {
  color: var(--muted);
  font-size: 12px;
  font-style: italic;
}