/* Booking + admin UI — matched to the Kabana de Nature site design system. */
:root {
  --bg: #0b0b0b;
  --panel: rgba(255, 255, 255, 0.03);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.78);
  --faint: rgba(255, 255, 255, 0.55);
  --accent: #ff3b30;
  --accent-hover: #e03228;
  --gold: #f4c542;          /* matches site review stars; used for pending / low states */
  --green: #6fae7d;
  --radius: 16px;
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, Inter, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
/* The `hidden` attribute must always win, even over display:flex/grid rules below. */
[hidden] { display: none !important; }
html, body { margin: 0; }

/* ── Blocking loading overlay + spinner ─────────────── */
.kdn-loading {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.kdn-spinner {
  width: 46px; height: 46px; border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.22);
  border-top-color: #ff3b30;
  animation: kdnspin .8s linear infinite;
}
@keyframes kdnspin { to { transform: rotate(360deg); } }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ── Header ─────────────────────────────────────────── */
.bk-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
  background: rgba(11, 11, 11, 0.75);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
.bk-brand { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.01em; font-size: 18px; }
.bk-back { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 600; opacity: .88; transition: opacity .2s ease; }
.bk-back:hover { opacity: 1; }

.bk-main { max-width: 1100px; margin: 0 auto; padding: 40px 24px 90px; }
.bk-hero { text-align: center; margin: 20px 0 36px; }
.bk-hero h1 {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em;
  font-size: clamp(34px, 6vw, 64px); margin: 0 0 14px; line-height: 1.02;
}
.bk-hero p { color: var(--muted); margin: 0 auto; max-width: 54ch; font-size: 18px; line-height: 1.6; }

/* ── Cards ──────────────────────────────────────────── */
.bk-card {
  background: rgba(18, 18, 18, 0.92);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.25);
}

.bk-search { padding: 22px; margin-bottom: 26px; }
.bk-search-grid { display: grid; gap: 16px; grid-template-columns: 1fr 1fr 0.6fr auto; align-items: end; }

.bk-field { display: flex; flex-direction: column; gap: 8px; }
.bk-field label { font-size: 14px; color: var(--muted); }
.bk-field input, .bk-field select {
  width: 100%; padding: 12px 16px; border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1); background: rgba(255, 255, 255, 0.03);
  color: var(--text); font-family: inherit; font-size: 16px;
  transition: border-color .2s ease, background .2s ease;
}
.bk-field input:focus, .bk-field select:focus { outline: none; border-color: var(--accent); background: rgba(255, 255, 255, 0.06); }
.bk-field select { appearance: none; cursor: pointer; }
.bk-field select option { background: #111; color: var(--text); }
input[type="date"] { color-scheme: dark; }

/* ── Buttons ────────────────────────────────────────── */
.bk-btn {
  border: none; border-radius: 12px; padding: 13px 22px;
  font-family: inherit; font-size: 16px; font-weight: 700; cursor: pointer;
  color: var(--text); background: rgba(255, 255, 255, 0.06);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  text-decoration: none; display: inline-block; text-align: center;
}
.bk-btn:hover { transform: translateY(-2px); }
.bk-btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(255, 59, 48, 0.18); }
.bk-btn-primary:hover { background: var(--accent-hover); box-shadow: 0 12px 30px rgba(255, 59, 48, 0.28); }
.bk-btn-ghost { background: transparent; border: 2px solid rgba(255, 255, 255, 0.12); border-radius: 999px; }
.bk-btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }
.bk-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.bk-msg { text-align: center; color: var(--muted); padding: 12px; }
.bk-msg.error { color: #ff7a72; }

/* ── Room results ───────────────────────────────────── */
.bk-results { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.bk-room {
  background: rgba(255, 255, 255, 0.02); border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
  transition: transform .3s cubic-bezier(.16,1,.3,1), background .3s ease, border-color .3s ease;
}
.bk-room:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.15); }
.bk-room img { width: 100%; height: 200px; object-fit: cover; display: block; }

/* Room image gallery (slider) */
.bk-gallery { position: relative; width: 100%; height: 200px; overflow: hidden; background: #000; }
.bk-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .35s ease; }
.bk-slide.active { opacity: 1; }
.bk-gal-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  display: grid; place-items: center; font-size: 22px; line-height: 1;
  background: rgba(0, 0, 0, 0.45); color: #fff;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; transition: opacity .2s ease, background .2s ease;
}
.bk-gallery:hover .bk-gal-nav { opacity: 1; }
.bk-gal-nav:hover { background: rgba(0, 0, 0, 0.7); }
.bk-gal-nav.prev { left: 8px; }
.bk-gal-nav.next { right: 8px; }
.bk-dots { position: absolute; bottom: 8px; left: 0; right: 0; z-index: 2; display: flex; justify-content: center; gap: 6px; }
.bk-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, 0.45); cursor: pointer; transition: background .2s ease, transform .2s ease; }
.bk-dot.active { background: #fff; transform: scale(1.2); }
@media (hover: none) { .bk-gal-nav { opacity: 1; } } /* always show arrows on touch devices */
.bk-room-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.bk-room h3 { margin: 0; font-size: 20px; font-weight: 700; font-family: var(--font-display); }
.bk-room p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
.bk-specs { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--faint); font-size: 13px; }
.bk-spec { position: relative; }
.bk-spec:not(:last-child)::after { content: "·"; position: absolute; right: -9px; }
.bk-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.bk-chip {
  font-size: 12px; color: var(--muted); background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; white-space: nowrap;
}
/* Meal-plan selector */
.bk-plans { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.bk-plan {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px;
  background: rgba(255, 255, 255, 0.02); transition: border-color .2s ease, background .2s ease;
}
.bk-plan:hover { border-color: rgba(255, 255, 255, 0.22); }
.bk-plan input { accent-color: var(--accent); margin: 0; }
.bk-plan:has(input:checked) { border-color: var(--accent); background: rgba(255, 59, 48, 0.08); }
.bk-plan-info { display: flex; flex-direction: column; gap: 1px; flex: 1; min-width: 0; }
.bk-plan-name { font-size: 14px; font-weight: 600; }
.bk-plan-code { font-size: 11px; color: var(--faint); letter-spacing: .5px; }
.bk-plan-price { font-size: 16px; font-weight: 800; font-family: var(--font-display); white-space: nowrap; }

.bk-price-note { color: var(--faint); font-size: 13px; }
.bk-room-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; gap: 12px; }
.bk-price b { font-size: 24px; font-weight: 800; color: var(--text); font-family: var(--font-display); letter-spacing: -0.01em; }
.bk-price span { color: var(--faint); font-size: 13px; display: block; margin-top: 2px; }
.bk-avail { font-size: 13px; color: var(--green); font-weight: 600; }
.bk-avail.none { color: #ff7a72; }
.bk-soldout { opacity: .55; }

/* ── Overlays & modals ──────────────────────────────── */
.bk-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.bk-modal {
  width: 100%; max-width: 460px; padding: 40px; position: relative;
  background: rgba(18, 18, 18, 0.96); border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px; box-shadow: var(--shadow);
  max-height: 92vh; overflow-y: auto;   /* tall forms scroll instead of clipping on small phones */
}
.bk-close {
  position: absolute; top: 16px; right: 16px; width: 40px; height: 40px;
  display: grid; place-items: center; border: none; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08); color: var(--text); font-size: 22px; cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.bk-close:hover { background: rgba(255, 255, 255, 0.16); transform: scale(1.05); }
.bk-modal h3 { margin: 0 0 8px; font-size: 24px; font-family: var(--font-display); font-weight: 800; }
.bk-summary { color: var(--muted); font-size: 15px; margin: 0 0 22px; line-height: 1.5; }
.bk-form { display: flex; flex-direction: column; gap: 16px; }
.bk-form .bk-btn-primary { width: 100%; padding: 15px; }
.bk-fineprint { font-size: 13px; color: var(--faint); text-align: center; margin: 6px 0 0; line-height: 1.5; }

.bk-success { text-align: center; }
.bk-tick {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; font-size: 32px;
  background: rgba(111, 174, 125, 0.16); color: var(--green);
}
.bk-code {
  font-family: var(--font-display); font-size: 28px; font-weight: 800; letter-spacing: 3px;
  color: var(--accent); background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 59, 48, 0.5); border-radius: 12px;
  padding: 14px; margin: 12px 0 16px;
}

@media (max-width: 680px) {
  .bk-header { padding: 12px 16px; }
  .bk-brand { font-size: 16px; }
  .bk-back { font-size: 14px; }
  .bk-main { padding: 24px 16px 64px; }
  .bk-hero { margin: 12px 0 26px; }
  .bk-hero h1 { font-size: clamp(30px, 9vw, 46px); }
  .bk-hero p { font-size: 16px; line-height: 1.55; }

  /* Two fields per row; the search button spans the full width. */
  .bk-search { padding: 16px; }
  .bk-search-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .bk-search-grid > button { grid-column: 1 / -1; }

  .bk-results { grid-template-columns: 1fr; gap: 16px; }
  .bk-room img { height: 200px; }

  /* Keep price note + Book button tidy when wrapping. */
  .bk-room-meta { flex-wrap: wrap; }
  .bk-price-note { flex: 1 1 100%; }
  .bk-room-meta .bk-btn { width: 100%; }

  .bk-modal { padding: 26px 20px; border-radius: 20px; }
  .bk-modal h3 { font-size: 21px; }
}

@media (max-width: 420px) {
  /* Very narrow phones: one field per row. */
  .bk-search-grid { grid-template-columns: 1fr; }
  .bk-field input, .bk-field select, .bk-btn { font-size: 16px; } /* keep >=16px to avoid iOS zoom */
  .bk-code { font-size: 24px; letter-spacing: 2px; }
}