:root {
  --bg: #f7f5f0;
  --text: #111111;
  --muted: #555555;
  --accent: #0b1f3b;
  --line: #ddd8cd;
  --surface: #fffdf8;
  --font: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(circle at 8% 0%, rgba(11, 31, 59, 0.06), transparent 34%), var(--bg);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 240, 0.86);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner,
.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.lang-switcher a {
  color: var(--muted);
  text-decoration: none;
}

.lang-switcher a:hover {
  color: var(--accent);
}

.lang-switcher a.active {
  color: var(--text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

main {
  padding: 2rem 0 2.8rem;
}

.hero {
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3.3vw, 2.3rem);
  line-height: 1.2;
}

.hero p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.hero-logo {
  max-height: 44px;
  width: auto;
  display: block;
  margin-bottom: 0.9rem;
}

.booking-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.35fr 1fr;
  margin-top: 1.2rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 92%, white 8%);
  padding: 1rem;
}

.controls-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 1fr 1fr;
}

label {
  font-size: 0.82rem;
  color: var(--muted);
  display: block;
  margin-bottom: 0.3rem;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 0.56rem 0.62rem;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

.calendar-top {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 1fr auto;
  margin-bottom: 0.9rem;
}

.calendar-top .tz-wrap,
.calendar-top .event-wrap {
  display: grid;
  gap: 0.8rem;
}

.calendar-top .event-wrap {
  grid-template-columns: 1fr;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.month-label {
  font-weight: 600;
  font-size: 1rem;
}

.icon-btn,
.primary-btn,
.secondary-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  padding: 0.45rem 0.62rem;
}

.icon-btn:hover,
.secondary-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 22%, var(--line));
}

.primary-btn {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.calendar-weekdays,
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.calendar-weekdays {
  margin-bottom: 0.36rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.calendar-weekdays span {
  text-align: center;
}

.day-cell {
  min-height: 48px;
}

.day-btn {
  width: 100%;
  height: 100%;
  min-height: 48px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.24rem;
  padding: 0.26rem;
}

.day-btn .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
}

.day-btn.available {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--line));
}

.day-btn.available .dot {
  border-color: #1f7a3d;
  background: #1f7a3d;
}

.day-btn.limited .dot {
  border-color: #d97706;
  background: #d97706;
}

.day-btn.unavailable .dot {
  border-color: #b42318;
  background: #b42318;
}

.day-btn.selected {
  background: color-mix(in srgb, var(--accent) 10%, white);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
}

.day-btn:disabled,
.day-btn.outside {
  cursor: default;
  opacity: 0.55;
  background: #f6f4ef;
}

.calendar-help,
.muted,
.calendar-loading {
  color: var(--muted);
  font-size: 0.85rem;
}

.calendar-loading {
  min-height: 1.25rem;
  margin-top: 0.5rem;
}

.calendar-loading.busy::after {
  content: " ";
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  margin-left: 0.4rem;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

.slots-head {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  font-weight: 600;
}

.slots-grid {
  display: grid;
  gap: 0.7rem;
}

.slot-lane {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem;
  background: #fffcf6;
}

.slot-lane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.slot-lane-title {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
}

.slot-lane-count {
  font-size: 0.75rem;
  color: var(--muted);
}

.slot-lane-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.slot-more {
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 0.36rem 0.62rem;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
}

.slot {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  background: #fff;
  color: var(--text);
  text-align: center;
  cursor: pointer;
}

.slot.available {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  color: var(--accent);
  font-weight: 600;
}

.slot.available:hover,
.slot.available.active,
.slot.active {
  background: color-mix(in srgb, var(--accent) 11%, white);
}

.slot.unavailable {
  color: #8b857b;
  text-decoration: line-through;
  cursor: default;
  background: #f6f4ef;
}

.slot-focus {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 8%, white);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.slot-focus-label {
  margin: 0;
  font-weight: 700;
  color: var(--accent);
}

.form-stack {
  display: grid;
  gap: 0.72rem;
  margin-top: 0.8rem;
}

.status {
  min-height: 1.2rem;
  font-size: 0.92rem;
}

.status.error {
  color: #9e2222;
}

.status.ok {
  color: #205f2c;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.info-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 92%, white 8%);
  padding: 1.4rem;
}

.info-box h1,
.info-box h2 {
  margin-top: 0;
}

.inline-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.inline-actions a {
  text-decoration: none;
  display: inline-block;
}

@media (max-width: 920px) {
  .booking-grid {
    grid-template-columns: 1fr;
  }

  .calendar-top {
    grid-template-columns: 1fr;
  }

  .controls-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }
}