/* Derand Hotel — Reserve & pay (book.html) */

.book-page {
  margin: 0;
  background: #f7f5f2;
  color: #2c2824;
}

.book-page * {
  box-sizing: border-box;
}

.book {
  display: grid;
  min-height: calc(100dvh - 78px);
  grid-template-columns: minmax(280px, 38%) 1fr;
  max-width: 1400px;
  margin: 0 auto;
}

.book__visual {
  position: relative;
  min-height: 240px;
  background: #ebe6e0;
  overflow: hidden;
}

.book__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book__visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(44, 40, 36, 0.08) 0%,
    rgba(44, 40, 36, 0.22) 100%
  );
  pointer-events: none;
}

.book__panel {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 4vw, 48px) clamp(20px, 5vw, 56px);
  background: #fff;
}

.book__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.book__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.book__logo img {
  height: 36px;
  width: auto;
  display: block;
}

.book__close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: #f3f0ec;
  color: #5c5650;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.book__close:hover {
  background: #ebe6e0;
  color: #2c2824;
}

.book__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #b17256;
}

.book__title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 500;
  line-height: 1.2;
  color: #2c2824;
  letter-spacing: 0.01em;
}

.book__lead {
  margin: 0 0 28px;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.65;
  color: #6e6760;
}

.book__form {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 560px;
}

.book__field {
  margin-bottom: 18px;
}

.book__field--row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.book__label {
  display: block;
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b17256;
}

.book__label .book__req {
  color: #c45c5c;
}

.book__input,
.book__select,
.book__textarea {
  width: 100%;
  border: 1px solid rgba(44, 40, 36, 0.12);
  border-radius: 8px;
  background: #faf9f7;
  color: #2c2824;
  font-family: inherit;
  font-size: 15px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.book__input,
.book__select {
  height: 48px;
  padding: 0 14px;
}

.book__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236e6760' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.book__textarea {
  min-height: 100px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.5;
}

.book__input::placeholder,
.book__textarea::placeholder {
  color: rgba(110, 103, 96, 0.65);
}

.book__input:focus,
.book__select:focus,
.book__textarea:focus {
  outline: none;
  border-color: #b17256;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(177, 114, 86, 0.12);
}

.book__input.is-invalid,
.book__select.is-invalid {
  border-color: #c45c5c;
}

.book__hint {
  margin: 6px 0 0;
  font-size: 12px;
  color: #9a8f85;
  line-height: 1.4;
}

.book__error {
  margin: 6px 0 0;
  font-size: 12px;
  color: #c45c5c;
  display: none;
}

.book__field.has-error .book__error {
  display: block;
}

.book__summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
  padding: 20px 0 24px;
  border-top: 1px solid rgba(44, 40, 36, 0.08);
}

.book__summary-item {
  text-align: left;
}

.book__summary-value {
  display: block;
  margin-bottom: 4px;
  font-size: 1.1rem;
  font-weight: 500;
  color: #2c2824;
  line-height: 1.3;
}

.book__summary-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #b17256;
}

.book__submit {
  width: 100%;
  max-width: 560px;
  border: 0;
  border-radius: 10px;
  padding: 16px 24px;
  background: #b17256;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.book__submit:hover:not(:disabled) {
  background: #9a5f47;
  transform: translateY(-1px);
}

.book__submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.book__secure {
  margin: 14px 0 0;
  font-size: 12px;
  color: #9a8f85;
  line-height: 1.5;
}

.book__secure svg {
  vertical-align: -2px;
  margin-right: 4px;
}

.book__status {
  margin: 12px 0 0;
  font-size: 13px;
  color: #6e6760;
  min-height: 1.25em;
}

.book__status.is-error {
  color: #c45c5c;
}

.book__status.is-success {
  color: #4a6b52;
}

@media (max-width: 900px) {
  .book {
    grid-template-columns: 1fr;
  }

  .book__visual {
    min-height: 200px;
    max-height: 220px;
  }

  .book__summary {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 520px) {
  .book__field--row {
    grid-template-columns: 1fr;
  }
}