:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1d2530;
  --muted: #5a6776;
  --primary: #0f6dff;
  --primary-dark: #0b4db3;
  --border: #dce3ef;
  --danger: #b42318;
  --success: #027a48;
  --shadow: 0 12px 30px rgba(17, 24, 39, 0.07);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top left, #e9efff 0%, var(--bg) 45%, #eefaf6 100%);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.hero {
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-top: 16px;
}

.card h2 {
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--muted);
}

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

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(15, 109, 255, 0.25);
  border-color: var(--primary);
}

button {
  margin-top: 14px;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--primary-dark);
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.ghost-btn {
  margin-top: 0;
  background: #eef3ff;
  color: var(--primary-dark);
}

.ghost-btn:hover {
  background: #dde7ff;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.hint {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.reservations-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.reservation-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  background: #f9fbff;
}

.reservation-title {
  margin: 0;
  font-weight: 600;
}

.reservation-meta {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.cancel-btn {
  margin-top: 0;
  background: #ffe8e6;
  color: var(--danger);
}

.cancel-btn:hover {
  background: #ffd4d0;
}

.message {
  min-height: 1.25em;
  margin-bottom: 0;
}

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

.message.success {
  color: var(--success);
}

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

@media (max-width: 640px) {
  .reservation-item {
    flex-direction: column;
    align-items: stretch;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}