:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2f6fed;
  --accent-hover: #2558c4;
  --danger: #d64545;
  --success: #1a8f4c;
}

* { box-sizing: border-box; }

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
}
.brand-mark { color: var(--accent); }
.tm { font-size: .55em; vertical-align: super; margin-left: 1px; }

.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--text); text-decoration: none; }
.nav-links a:hover { color: var(--accent); }
.nav-user { color: var(--muted); font-size: 14px; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

h1 { font-size: 24px; margin-bottom: 20px; }
h2 { font-size: 16px; color: var(--muted); margin: 28px 0 10px; text-transform: uppercase; letter-spacing: .03em; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.auth-card { max-width: 380px; margin: 40px auto; }

form label {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--muted);
}

.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; }

/* Honeypot: off-screen rather than display:none/visibility:hidden, since
   some bots specifically skip fields hidden that way but still fill
   anything positioned off-screen. Real users never see or reach it. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.checkbox-label input { width: auto; margin: 0; }

input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

input:disabled {
  background: var(--bg);
  color: var(--muted);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  font-size: 14px;
}

.auth-card button[type="submit"] {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  margin-top: 6px;
}
.auth-card button[type="submit"]:hover { background: var(--accent-hover); }

.muted { color: var(--muted); font-size: 14px; }
.muted.small { font-size: 12px; margin-top: -6px; }

.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 14px;
}
.flash-error { background: #fdecec; color: var(--danger); }
.flash-success { background: #e9f8ef; color: var(--success); }

.day-group { margin-bottom: 24px; }

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.slot-btn {
  display: block;
  width: 100%;
  padding: 10px 6px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  text-align: center;
  text-decoration: none;
  box-sizing: border-box;
}
.slot-btn:hover { border-color: var(--accent); color: var(--accent); }

.slot-full {
  opacity: .5;
  cursor: default;
}
.slot-note {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.event-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.event-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  text-decoration: none;
  color: var(--text);
}
.event-card:hover { border-color: var(--accent); }
.event-card h2 { font-size: 17px; margin: 0 0 6px; }

.booking-list, .notification-list { list-style: none; padding: 0; margin: 0; }

.booking-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.booking-item.past { opacity: .55; }

.link-btn {
  background: none;
  color: var(--danger);
  padding: 0;
  font-size: 13px;
  text-decoration: underline;
}

.notification-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #14161a;
    --card: #1c1f26;
    --text: #eef0f3;
    --muted: #9aa1ab;
    --border: #2c303a;
  }
}