/* =============================================================
   Björkhaga Strandby - Bastubokning
   A calm, Nordic-warm palette: birch, moss, stone, and ember.
   ============================================================= */

:root {
  /* Palette */
  --bark:        #2c1f17;
  --birch:       #f5efe6;
  --paper:       #faf6f0;
  --linen:       #ebe4d6;
  --moss:        #1a4d3a;
  --moss-deep:   #0f3527;
  --ember:       #c0552c;
  --ember-soft:  #e09576;
  --stone:       #6b6357;
  --stone-soft:  #a39a8b;
  --sky:         #d8e4e2;

  /* Semantic */
  --bg:           var(--paper);
  --surface:      #ffffff;
  --surface-alt:  var(--birch);
  --ink:          var(--bark);
  --ink-soft:     var(--stone);
  --line:         #d9d1c1;
  --accent:       var(--moss);
  --accent-deep:  var(--moss-deep);
  --hot:          var(--ember);

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* Spacing scale */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;

  /* Other */
  --radius:    14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(44,31,23,0.05), 0 1px 3px rgba(44,31,23,0.06);
  --shadow-md: 0 6px 24px -8px rgba(44,31,23,0.18);
  --shadow-lg: 0 24px 48px -16px rgba(44,31,23,0.22);

  --slot-h: 22px;        /* slot row height */
  --time-col-w: 56px;
}

/* ───────── Reset ───────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 1200px 600px at 50% -200px, rgba(26,77,58,0.06), transparent 60%),
    radial-gradient(ellipse 800px 400px at 100% 100%, rgba(192,85,44,0.04), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--s-5) var(--s-4);
}

button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

/* ───────── Header ───────── */
.masthead {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(255,255,255,0.85);
}
.masthead-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--s-3) var(--s-4);
  display: flex; align-items: center; gap: var(--s-5);
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: var(--s-3); }
.brand-mark {
  font-size: 28px;
  color: var(--moss);
  line-height: 1;
  font-family: var(--font-display);
  transform: rotate(-15deg);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

.step-rail {
  display: flex; gap: var(--s-2);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone-soft);
}
.step {
  padding: var(--s-2) var(--s-3);
  border-radius: 999px;
  transition: all 0.25s ease;
}
.step--active { color: var(--moss); background: rgba(26,77,58,0.08); font-weight: 500; }
.step--done   { color: var(--moss); }
.step--done::before { content: '✓ '; }

@media (max-width: 640px) {
  .step-rail { display: none; }
}

/* ───────── Stage ───────── */
.stage { animation: fadeUp 0.4s ease both; }
.stage--narrow { max-width: 540px; margin: 0 auto; }
.stage--done { text-align: center; padding-top: var(--s-7); }

.stage-head { margin-bottom: var(--s-6); }
.stage-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--s-2);
  font-variation-settings: 'opsz' 96;
}
.stage-lede {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
  max-width: 50ch;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ───────── Week navigation ───────── */
.weeknav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  padding: var(--s-3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.weeknav-btn {
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  font-size: 18px;
  color: var(--ink);
  transition: all 0.2s ease;
}
.weeknav-btn:hover:not(:disabled) {
  background: var(--moss);
  color: white;
  border-color: var(--moss);
}
.weeknav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.weeknav-label {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ───────── Calendar ───────── */
.cal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
  transition: opacity 0.2s ease;
}
.cal--loading { opacity: 0.5; pointer-events: none; }

.cal-grid {
  display: grid;
  grid-template-columns: var(--time-col-w) repeat(7, 1fr);
  gap: 2px;
}
.cal-grid--head { margin-bottom: var(--s-3); }
.cal-grid--body { align-items: stretch; }

.cal-day-head {
  text-align: center;
  padding: var(--s-2) 0;
  border-radius: 8px;
}
.cal-day-name {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.cal-day-date {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin-top: 2px;
}
.cal-day-head--today {
  background: linear-gradient(180deg, rgba(26,77,58,0.1), rgba(26,77,58,0.02));
}
.cal-day-head--today .cal-day-date { color: var(--moss); }

.cal-time-col { display: flex; flex-direction: column; }
.cal-time-label {
  height: calc(var(--slot-h) * 2);   /* one label per hour (2 slots) */
  font-size: 11px;
  color: var(--stone-soft);
  text-align: right;
  padding-right: var(--s-2);
  position: relative;
  top: -6px;                          /* align to top edge of slot */
  font-variant-numeric: tabular-nums;
}

.cal-day-col {
  display: flex; flex-direction: column;
  border-left: 1px dashed var(--line);
}
.cal-slot {
  height: var(--slot-h);
  border: none;
  background: transparent;
  padding: 0;
  position: relative;
  cursor: pointer;
  transition: background 0.12s ease;
}
.cal-slot:disabled { cursor: not-allowed; }

.cal-slot-bullet {
  position: absolute;
  inset: 1px 2px;
  border-radius: 4px;
  background: rgba(26,77,58,0.08);
  transition: all 0.12s ease;
}
.cal-slot:hover:not(:disabled) .cal-slot-bullet {
  background: rgba(26,77,58,0.28);
  transform: scale(1.05);
}
.cal-slot:active:not(:disabled) .cal-slot-bullet {
  background: rgba(26,77,58,0.4);
}

/* slot states */
.cal-slot--booked .cal-slot-bullet {
  background: repeating-linear-gradient(
    -45deg,
    var(--linen),
    var(--linen) 4px,
    var(--surface-alt) 4px,
    var(--surface-alt) 8px
  );
}
.cal-slot--closed .cal-slot-bullet {
  background: var(--surface-alt);
  border: 1px dashed var(--stone-soft);
}
.cal-slot--past .cal-slot-bullet {
  background: transparent;
  border: 1px dotted var(--line);
}
.cal-slot--selected .cal-slot-bullet {
  background: var(--moss);
  box-shadow: 0 2px 8px rgba(26,77,58,0.25);
}
.cal-slot--selected-edge-top .cal-slot-bullet  { border-top-left-radius: 8px; border-top-right-radius: 8px; }
.cal-slot--selected-edge-bot .cal-slot-bullet  { border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }
.cal-slot--hover .cal-slot-bullet {
  background: var(--ember-soft);
}
.cal-slot--hot .cal-slot-bullet {
  background: var(--ember);
}

/* hour-line emphasis */
.cal-slot--hour-start { border-top: 1px solid var(--line); }

/* ───────── Selection footer ───────── */
.select-footer {
  position: sticky;
  bottom: var(--s-3);
  margin-top: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s-4) var(--s-5);
  box-shadow: var(--shadow-md);
}
.select-info { display: flex; flex-direction: column; gap: var(--s-2); margin-bottom: var(--s-4); }
.select-info-row {
  display: flex; align-items: center; justify-content: space-between;
}
.select-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.select-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}
.select-price { color: var(--moss); }

.select-duration {
  display: flex; align-items: center; gap: var(--s-3);
}
.dur-btn {
  width: 44px; height: 44px;
  border: 1.5px solid var(--moss);
  background: var(--surface);
  color: var(--moss);
  border-radius: 999px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.dur-btn:hover:not(:disabled) {
  background: var(--moss);
  color: white;
}
.dur-btn:active:not(:disabled) {
  transform: scale(0.95);
}
.dur-btn:disabled { opacity: 0.25; cursor: not-allowed; border-color: var(--line); color: var(--ink-soft); }
.dur-display {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  min-width: 110px;
  text-align: center;
}

/* ───────── Legend ───────── */
.legend {
  margin-top: var(--s-5);
  display: flex; flex-wrap: wrap; gap: var(--s-4);
  font-size: 12px;
  color: var(--ink-soft);
  justify-content: center;
}
.legend-item { display: inline-flex; align-items: center; gap: var(--s-2); }
.legend-swatch {
  width: 14px; height: 14px; border-radius: 4px;
}
.legend-swatch--free     { background: rgba(26,77,58,0.18); }
.legend-swatch--selected { background: var(--moss); }
.legend-swatch--booked   {
  background: repeating-linear-gradient(-45deg, var(--linen), var(--linen) 3px, var(--surface-alt) 3px, var(--surface-alt) 6px);
}
.legend-swatch--closed   { background: var(--surface-alt); border: 1px dashed var(--stone-soft); }

/* ───────── Cards & forms ───────── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  margin-bottom: var(--s-4);
  box-shadow: var(--shadow-sm);
}

.summary-row {
  display: flex; justify-content: space-between;
  padding: var(--s-2) 0;
  border-bottom: 1px solid var(--line);
}
.summary-row:last-child { border-bottom: none; }
.summary-row--total {
  padding-top: var(--s-3);
  border-top: 2px solid var(--bark);
  margin-top: var(--s-2);
}
.summary-row--total .summary-value {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--moss);
}
.summary-label { color: var(--ink-soft); font-size: 14px; }
.summary-value { font-weight: 500; }

.form { display: flex; flex-direction: column; gap: var(--s-4); }
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.field-hint { color: var(--ink-soft); font-weight: 400; }
.field-input {
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: var(--s-3) var(--s-4);
  background: var(--paper);
  font-size: 16px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field-input:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(26,77,58,0.12);
}
.field-input--otp {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.4em;
  text-align: center;
  font-variant-numeric: tabular-nums;
  padding: var(--s-4);
}

.checkbox {
  display: flex; gap: var(--s-3); align-items: flex-start;
  font-size: 14px;
  cursor: pointer;
}
.checkbox input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--moss); }

.gdpr-details {
  background: var(--surface-alt);
  border-radius: 10px;
  padding: var(--s-3) var(--s-4);
  font-size: 13px;
}
.gdpr-details summary {
  cursor: pointer;
  font-weight: 500;
  padding: var(--s-1) 0;
}
.gdpr-body { color: var(--ink-soft); margin-top: var(--s-3); line-height: 1.6; }
.gdpr-body p { margin: 0 0 var(--s-2); }
.gdpr-body strong { color: var(--ink); }

.otp-info {
  background: var(--surface-alt);
  padding: var(--s-3);
  border-radius: 10px;
  font-size: 14px;
  margin: 0;
  text-align: center;
}

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: all 0.18s ease;
  text-decoration: none;
  background: var(--surface);
  color: var(--ink);
}
.btn--block { display: flex; width: 100%; padding: var(--s-4); }

.btn--primary {
  background: var(--moss);
  color: white;
  box-shadow: 0 4px 14px -4px rgba(26,77,58,0.4);
}
.btn--primary:hover:not(:disabled) {
  background: var(--moss-deep);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -4px rgba(26,77,58,0.5);
}
.btn--primary:disabled {
  background: var(--stone-soft);
  cursor: not-allowed;
  box-shadow: none;
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
}
.btn--ghost:hover { color: var(--ink); border-color: var(--ink-soft); }
.btn--back { margin-top: var(--s-4); }

.btn--swish {
  background: #ef5b25;
  color: white;
  font-weight: 600;
}
.btn--swish:hover { background: #d94d18; }

/* ───────── Payment ───────── */
.paymethod { display: flex; flex-direction: column; gap: var(--s-3); }
.paymethod-h {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 var(--s-2);
}
.paymethod-btn {
  display: flex; align-items: center; gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
  transition: all 0.18s ease;
}
.paymethod-btn:hover {
  border-color: var(--moss);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.paymethod-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.paymethod-icon--swish { background: #ef5b25; }
.paymethod-icon--card  { background: var(--moss); }
.paymethod-text { display: flex; flex-direction: column; gap: var(--s-1); }
.paymethod-text strong { font-size: 16px; }
.paymethod-text span:not(strong) { font-size: 13px; color: var(--ink-soft); }

.swish, .stripe { text-align: center; }
.swish-text {
  margin: 0 0 var(--s-4);
  color: var(--ink-soft);
}
.swish-qr {
  margin: var(--s-4) auto;
  padding: var(--s-4);
  background: white;
  border-radius: var(--radius);
  display: inline-block;
  border: 1px solid var(--line);
}
.swish-qr img, .swish-qr canvas {
  display: block;
  width: 240px;
  height: 240px;
}
.swish-amount {
  font-family: var(--font-display);
  font-size: 18px;
  margin: var(--s-3) 0 var(--s-4);
}
.swish-fallback { font-size: 13px; color: var(--ink-soft); margin-top: var(--s-3); }
.swish-fallback a { color: var(--moss); }
.swish-status {
  margin: var(--s-4) 0;
  padding: var(--s-3);
  background: var(--surface-alt);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center; gap: var(--s-3);
  font-size: 14px;
}

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--moss);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Stripe Elements styling target */
#stripe-payment-element {
  margin-bottom: var(--s-4);
  min-height: 220px;
}

/* ───────── Done ───────── */
.done-mark {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--moss);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px;
  margin: 0 auto var(--s-5);
  animation: pop 0.4s ease;
}
@keyframes pop { from { transform: scale(0.6); opacity: 0; } }

.info-box {
  background: var(--surface-alt);
  border-left: 3px solid var(--moss);
  padding: var(--s-4);
  margin: var(--s-4) 0;
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  text-align: left;
  color: var(--ink-soft);
}
.info-box strong { color: var(--ink); }

/* ───────── Errors / toasts ───────── */
.error {
  background: rgba(192,85,44,0.08);
  color: var(--ember);
  padding: var(--s-3);
  border-radius: 10px;
  font-size: 14px;
  margin: 0;
}

.toast {
  position: fixed;
  bottom: var(--s-5);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bark);
  color: white;
  padding: var(--s-3) var(--s-5);
  border-radius: 999px;
  font-size: 14px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

/* ───────── Footer ───────── */
.footer {
  text-align: center;
  padding: var(--s-7) var(--s-4) var(--s-5);
  font-size: 13px;
  color: var(--ink-soft);
}
.footer a { color: var(--moss); text-decoration: none; }

/* ───────── Mobile tuning ───────── */
@media (max-width: 720px) {
  :root {
    --slot-h: 26px;
    --time-col-w: 44px;
  }
  main { padding: var(--s-4) var(--s-3); }
  .cal { padding: var(--s-3); border-radius: var(--radius); }
  .cal-day-name { font-size: 10px; }
  .cal-day-date { font-size: 14px; }
  .stage-title { font-size: 28px; }
  .select-footer { padding: var(--s-3); }
  .field-input--otp { font-size: 24px; letter-spacing: 0.3em; }
}