:root {
  --bg: #f5f8fa;
  --card: #ffffff;
  --text: #213343;
  --muted: #516f90;
  --line: #dbe4ee;
  --primary: #0b76a6;
  --primary-strong: #0a5f85;
  --danger-bg: #fde8ea;
  --danger-text: #7a1720;
  --ok-bg: #e8f3f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.container {
  max-width: 860px;
  margin: 28px auto;
  padding: 0 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}

h1 {
  margin: 0 0 4px;
  font-size: 24px;
}

.sub {
  margin: 0 0 16px;
  color: var(--muted);
}

.row {
  margin-bottom: 12px;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 16px;
  background: #fff;
}

.alert {
  border-radius: 8px;
  padding: 10px 12px;
  margin: 12px 0;
  border: 1px solid transparent;
}

.alert.info {
  background: var(--ok-bg);
  border-color: #b9d9e8;
}

.alert.error {
  background: var(--danger-bg);
  color: var(--danger-text);
  border-color: #f0bcc1;
}

.hidden {
  display: none !important;
}

.day-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.btn {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 6px 11px;
  cursor: pointer;
  font-weight: 700;
}

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

.btn.secondary {
  border-radius: 10px;
  margin-top: 12px;
}

.btn:hover {
  background: #f2f7fb;
}

.btn.primary:hover {
  background: var(--primary-strong);
}

.day-header {
  margin: 14px 0 8px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.day-header .title {
  font-weight: 800;
  margin-bottom: 2px;
}

.day-header .meta {
  color: var(--muted);
  font-size: 14px;
}

.times-list {
  display: grid;
  gap: 10px;
}

.time-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
}

.time {
  font-weight: 800;
  margin-bottom: 8px;
}

.coach-chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.coach-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f5f8fa;
  padding: 4px 10px;
  font-size: 13px;
}

.coach-chip a {
  text-decoration: none;
  color: var(--text);
}

.book-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}