/* ============================================
   SDFM GROUP LIMITED — Booking page (/book)
   Builds on the tokens and components in styles.css.
   Selectors and state classes are driven by js/book.js: keep them stable.
   ============================================ */

.book {
  position: relative;
  background: var(--paper);
  padding: clamp(40px, 5vw, 72px) 0 var(--section);
  min-height: 72vh;
  overflow: hidden;
}
.book::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 360px at 100% 0%, rgba(216, 42, 16, 0.08), transparent 70%);
}

.book-wrap {
  position: relative;
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 80px); align-items: start;
}

/* --- Intro column --- */
.book-intro h1 {
  font-size: clamp(2.1rem, 1.5rem + 2.4vw, 3.4rem);
  font-weight: 700; line-height: 1.05; letter-spacing: -0.035em;
  margin-bottom: 20px; text-wrap: balance;
}
.book-lead { font-size: 1.125rem; line-height: 1.7; color: var(--fg-body); margin-bottom: 32px; max-width: 46ch; }

.book-points { display: flex; flex-direction: column; gap: 0; margin-bottom: 36px; max-width: 48ch; }
.book-points li {
  position: relative; padding: 18px 0 18px 40px;
  font-size: 1rem; line-height: 1.65; color: var(--fg-body);
  border-top: 1px solid var(--rule-strong);
}
.book-points li:last-child { border-bottom: 1px solid var(--rule-strong); }
.book-points li::before {
  content: ""; position: absolute; left: 0; top: 19px;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(216, 42, 16, 0.1)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C9260C' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E")
    center / 13px no-repeat;
}
.book-points strong { color: var(--fg); }

.book-alt { font-size: 0.9375rem; color: var(--fg-body); line-height: 1.9; }
.book-alt p { font-weight: 700; color: var(--fg); }
.book-alt a { font-weight: 700; color: var(--red-text); }

/* --- Card --- */
.book-card {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--r-lg);
  padding: clamp(24px, 3.5vw, 44px);
  box-shadow: 0 30px 70px -30px rgba(20, 18, 17, 0.28);
  min-height: 320px;
}
.book-card [hidden] { display: none !important; }

.book-steps { display: flex; gap: 8px; margin-bottom: 32px; font-size: 0.8125rem; font-weight: 700; color: var(--fg-muted); }
.book-steps li {
  flex: 1; display: flex; align-items: center; gap: 8px;
  padding-bottom: 12px; border-bottom: 3px solid var(--paper-2);
  transition: border-color var(--t), color var(--t);
}
.book-steps li span {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper-2); color: var(--fg-body);
  font-family: var(--mono); font-size: 0.75rem;
}
.book-steps li.active { color: var(--fg); border-bottom-color: var(--red); }
.book-steps li.active span { background: var(--red); color: #fff; }
.book-steps li.done { color: var(--fg); border-bottom-color: var(--ink); }
.book-steps li.done span { background: var(--ink); color: #fff; }

.book-title { font-size: clamp(1.5rem, 1.3rem + 0.7vw, 1.9rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 8px; outline: none; }
.book-sub { font-size: 1rem; line-height: 1.65; color: var(--fg-body); margin-bottom: 24px; }

/* --- Fields --- */
.book-field { margin-bottom: 20px; }
.book-field > label:not(.book-check) { display: block; font-size: 0.875rem; font-weight: 700; margin-bottom: 8px; }

.book-field input[type="text"],
.book-field input[type="email"],
.book-field input[type="tel"],
.book-field textarea,
.book-field select {
  width: 100%; font: inherit;
  font-size: 1rem; /* 16px stops iOS zooming into the field */
  color: var(--fg); background: var(--white);
  border: 1.5px solid rgba(20, 18, 17, 0.28);
  border-radius: 12px; padding: 13px 15px; min-height: 50px;
  transition: border-color var(--t), box-shadow var(--t);
}
.book-field textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.book-field input::placeholder, .book-field textarea::placeholder { color: #8A847E; }
.book-field input:focus, .book-field textarea:focus, .book-field select:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(216, 42, 16, 0.16);
}
.book-field.has-error input, .book-field.has-error textarea { border-color: var(--red-text); }

.book-optional { font-weight: 500; font-size: 0.8125rem; color: var(--fg-muted); margin-left: 6px; }

.book-check { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 0.875rem; font-weight: 500; color: var(--fg-body); cursor: pointer; }
.book-check input { width: 18px; height: 18px; accent-color: var(--red); flex-shrink: 0; }

.book-error { font-size: 0.875rem; color: var(--red-text); margin-top: 6px; font-weight: 600; }
.book-error-form { margin: 0 0 16px; padding: 12px 14px; background: rgba(216, 42, 16, 0.07); border-radius: 10px; }

.book-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.book-submit { width: 100%; margin-top: 4px; }
.book-privacy { font-size: 0.8125rem; color: var(--fg-muted); line-height: 1.6; margin-top: 16px; }
.book-privacy a { text-decoration: underline; text-underline-offset: 3px; }

/* --- Time picker --- */
.book-tz { max-width: 360px; }
.book-picker-label { font-size: 0.875rem; font-weight: 700; margin: 4px 0 10px; }

.book-days { display: grid; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); gap: 10px; margin-bottom: 24px; }
.book-day, .book-time {
  -webkit-tap-highlight-color: transparent;
  font: inherit; background: var(--white); color: var(--fg);
  border: 1.5px solid rgba(20, 18, 17, 0.24); border-radius: 12px; cursor: pointer;
  transition: border-color var(--t), background var(--t), color var(--t), transform 0.1s var(--ease);
}
.book-day { padding: 10px 6px; text-align: center; min-height: 66px; line-height: 1.25; }
.book-day small { display: block; font-family: var(--mono); font-size: 0.6875rem; font-weight: 500; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.book-day strong { display: block; font-size: 1.0625rem; }
.book-day:active, .book-time:active { transform: scale(0.97); }
@media (hover: hover) { .book-day:hover, .book-time:hover { border-color: var(--red); } }
.book-day[aria-pressed="true"], .book-time[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.book-day[aria-pressed="true"] small { color: rgba(255, 255, 255, 0.78); }

.book-times { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-bottom: 24px; }
.book-time { padding: 12px 8px; font-size: 1rem; font-weight: 700; min-height: 50px; }
.book-time small { display: block; font-size: 0.6875rem; font-weight: 600; color: var(--fg-muted); }
.book-time[aria-pressed="true"] small { color: rgba(255, 255, 255, 0.78); }

.book-summary { font-size: 0.9375rem; font-weight: 700; padding: 13px 16px; background: var(--paper); border-left: 3px solid var(--red); border-radius: 10px; margin-bottom: 20px; }

.book-empty { padding: 24px; background: var(--paper); border-radius: var(--r-md); margin-bottom: 20px; }
.book-empty p { font-size: 0.9375rem; line-height: 1.65; color: var(--fg-body); margin-bottom: 8px; }
.book-empty .btn-primary { margin-top: 12px; }

/* --- Done --- */
.book-done-icon {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--red); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; font-weight: 700; margin-bottom: 20px;
  box-shadow: 0 0 0 8px rgba(216, 42, 16, 0.14);
}

.book-ticket { background: var(--paper); border: 1px solid var(--card-border); border-left: 4px solid var(--red); border-radius: 12px; padding: 18px 20px; margin-bottom: 24px; }
.book-ticket p { display: flex; gap: 16px; font-size: 0.9375rem; line-height: 1.5; padding: 4px 0; }
.book-ticket span { width: 64px; flex-shrink: 0; color: var(--fg-muted); font-family: var(--mono); font-size: 0.8125rem; padding-top: 1px; }
.book-ticket strong { font-weight: 700; min-width: 0; overflow-wrap: anywhere; }

.book-done-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.book-done-note { font-size: 0.875rem; line-height: 1.7; color: var(--fg-body); }
.book-done-note a { font-weight: 700; }

/* --- Prep questions --- */
.book-prep { margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--rule-strong); }
.book-prep h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.book-prep fieldset { border: none; padding: 0; margin: 0 0 22px; min-width: 0; }
.book-prep legend { font-size: 0.9375rem; font-weight: 700; line-height: 1.45; margin-bottom: 10px; padding: 0; }
.book-prep legend span { color: var(--red-text); margin-right: 6px; font-family: var(--mono); }

.book-option {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 13px 15px; margin-bottom: 8px;
  border: 1.5px solid rgba(20, 18, 17, 0.2); border-radius: 12px;
  font-size: 0.9375rem; line-height: 1.45; color: var(--fg-body); cursor: pointer;
  transition: border-color var(--t), background var(--t);
}
.book-option input { margin-top: 3px; accent-color: var(--red); flex-shrink: 0; width: 16px; height: 16px; }
.book-option:has(input:checked) { border-color: var(--ink); background: var(--paper); color: var(--fg); font-weight: 600; }
.book-option:has(input:focus-visible) { outline: 3px solid var(--red); outline-offset: 2px; }

.book-prep-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.btn-link { background: none; border: none; font: inherit; font-size: 0.9375rem; font-weight: 700; color: var(--fg-body); cursor: pointer; padding: 12px 4px; text-decoration: underline; text-underline-offset: 3px; }
.btn-link:hover { color: var(--fg); }
.book-prep-thanks { margin-top: 28px; padding: 14px 16px; background: var(--paper); border-radius: 12px; font-weight: 700; font-size: 0.9375rem; }

/* --- Loading / no-JS --- */
.book-loading { display: flex; align-items: center; gap: 12px; color: var(--fg-body); font-size: 0.9375rem; padding: 24px 0; }
.book-spinner { width: 20px; height: 20px; border: 3px solid var(--paper-2); border-top-color: var(--red); border-radius: 50%; animation: book-spin 0.8s linear infinite; }
@keyframes book-spin { to { transform: rotate(360deg); } }
.book-noscript h2 { font-size: 1.375rem; margin-bottom: 12px; }
.book-noscript p { font-size: 1rem; line-height: 1.8; color: var(--fg-body); margin-bottom: 12px; }

@media (prefers-reduced-motion: reduce) {
  .book-spinner { animation-duration: 2s !important; animation-iteration-count: infinite !important; }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .book-wrap { grid-template-columns: 1fr; gap: 36px; }
  .book-lead, .book-points { max-width: none; }
}

@media (max-width: 720px) {
  .book-card { border-radius: 20px; }
  .book-steps { font-size: 0.75rem; gap: 6px; }
  .book-steps li { gap: 6px; }
  .book-days { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .book-times { grid-template-columns: repeat(2, 1fr); }
  .book-ticket p { gap: 12px; }
  .book-done-actions { flex-direction: column; }
  .book-done-actions .btn-primary, .book-done-actions .btn-secondary { width: 100%; min-height: 52px; }
}

@media (prefers-contrast: more) {
  .book-card { outline: 1px solid var(--ink); }
  .book-field input, .book-field textarea, .book-field select, .book-day, .book-time, .book-option { border-color: var(--ink); }
}