*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-text: #1a1d23;
  --color-muted: #5c6370;
  --color-border: #dde1e8;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max-width: 960px;
  --radius: 8px;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
}

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 600;
  background: rgba(37, 99, 235, 0.08);
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.page h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-lead {
  margin: 0 0 2rem;
  color: var(--color-muted);
  font-size: 1.0625rem;
}

.breadcrumb {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.section {
  margin-bottom: 2.5rem;
}

.section__title {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.section__actions {
  margin: 1rem 0 0;
}

.section__actions a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.section__actions a:hover {
  text-decoration: underline;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
}

.card h3 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.card__meta {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.card__detail {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.card__footer {
  display: block;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.reservation-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.reservation-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.reservation-item--selectable {
  width: 100%;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.reservation-item--selectable:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
}

.reservation-item--selectable:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.reservation-item--selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
}

.reservation-item--cancelled {
  opacity: 0.85;
  background: var(--color-bg, #f8fafc);
}

.reservation-item--cancelled:hover {
  border-color: var(--color-border);
  box-shadow: none;
}

.badge--cancelled {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.modal--readonly .modal__body {
  margin-bottom: 0;
}

.modal--readonly #manage-form {
  display: none !important;
}

.reservation-item h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 600;
}

.reservation-item .meta {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.reservation-item__when {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  text-align: right;
}

.badge {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.1);
  border-radius: 4px;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.panel--highlight {
  border-color: rgba(37, 99, 235, 0.35);
}

.info-list {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.info-list > div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.5rem 1rem;
}

.info-list dt {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-muted);
}

.info-list dd {
  margin: 0;
  font-size: 0.9375rem;
}

.info-list--confirm > div {
  grid-template-columns: 7rem 1fr;
}

.booking-form {
  display: grid;
  gap: 1.25rem;
  max-width: 24rem;
}

.booking-form[hidden] {
  display: none !important;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 600;
}

.form-field input,
.form-field select {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-field input:focus,
.form-field select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.btn {
  display: inline-block;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

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

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

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--danger {
  background: #fff;
  color: #b91c1c;
  border: 1px solid rgba(185, 28, 28, 0.35);
}

.btn--danger:hover {
  background: #fef2f2;
  border-color: #b91c1c;
  color: #991b1b;
}

.confirm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.empty-state {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.empty-state a {
  color: var(--color-accent);
}

body.modal-open {
  overflow: hidden;
}

.modal--confirm {
  z-index: 110;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 29, 35, 0.45);
}

.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 28rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 16px 40px rgba(26, 29, 35, 0.18);
}

.modal__dialog--wide {
  max-width: 32rem;
}

.modal__form {
  margin-top: 0.5rem;
  max-width: none;
  width: 100%;
}

.modal__actions--stacked {
  flex-direction: column;
  align-items: stretch;
}

.modal__actions--stacked .btn {
  width: 100%;
}

.modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.modal__close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.modal__title {
  margin: 0 2rem 0.35rem 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.modal__hint {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.modal__body {
  margin-bottom: 1.25rem;
}

.modal__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.success-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-success-bg);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: var(--radius);
}

.success-banner[hidden] {
  display: none;
}

.success-banner__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-success);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
}

.success-banner__text {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-success);
}

@media (max-width: 520px) {
  .reservation-item__when {
    align-items: flex-start;
    text-align: left;
  }

  .info-list > div {
    grid-template-columns: 1fr;
  }
}