/* ============================================================
   Pickleball Booking – Frontend CSS
   Aesthetic: Sport-clean | Bold greens, dark navy accents
   ============================================================ */


:root {
  --pkb-green:      #22c55e;
  --pkb-green-dark: #16a34a;
  --pkb-navy:       #0f172a;
  --pkb-navy-mid:   #1e293b;
  --pkb-slate:      #334155;
  --pkb-yellow:     #eab308;
  --pkb-red:        #ef4444;
  --pkb-white:      #ffffff;
  --pkb-gray:       #f1f5f9;
  --pkb-gray-mid:   #cbd5e1;
  --pkb-radius:     16px;
  --pkb-radius-sm:  8px;
  --pkb-shadow:     0 8px 32px rgba(15,23,42,.12);
  --pkb-transition: .25s cubic-bezier(.4,0,.2,1);
  --pkb-font-head:  'Syne', sans-serif;
  --pkb-font-body:  'Inter', sans-serif;
}

/* ── Wrapper ── */
.pkb-wrap {
  font-family: var(--pkb-font-body);
  max-width: 780px;
  margin: 0 auto;
  padding: 20px 16px 60px;
  position: relative;
}

/* ── Progress Bar ── */
.pkb-progress {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.pkb-progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  opacity: .4;
  transition: var(--pkb-transition);
}
.pkb-progress-step.active,
.pkb-progress-step.done { opacity: 1; }
.pkb-progress-step span {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--pkb-gray-mid);
  color: var(--pkb-slate);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--pkb-font-head);
  font-weight: 700; font-size: 14px;
  transition: var(--pkb-transition);
}
.pkb-progress-step.active span {
  background: var(--pkb-green);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(34,197,94,.2);
}
.pkb-progress-step.done span {
  background: var(--pkb-navy);
  color: #fff;
}
.pkb-progress-step small {
  font-size: 11px; font-weight: 500;
  color: var(--pkb-slate);
  text-transform: uppercase; letter-spacing: .04em;
}

/* ── Steps ── */
.pkb-step { display: none; animation: pkbFadeIn .35s ease forwards; }
.pkb-step.active { display: block; }

@keyframes pkbFadeIn {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Step Header ── */
.pkb-step-header {
  text-align: center;
  margin-bottom: 28px;
}
.pkb-step-icon {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 8px;
}
.pkb-step-header h2 {
  font-family: var(--pkb-font-head);
  font-size: 26px; font-weight: 800;
  color: var(--pkb-navy);
  margin: 0 0 6px;
}
.pkb-step-header p {
  color: var(--pkb-slate);
  font-size: 15px; margin: 0;
}

/* ── Labels & Inputs ── */
.pkb-label {
  display: block;
  font-weight: 600; font-size: 13px;
  color: var(--pkb-navy);
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 6px;
}
.pkb-input {
  width: 100%; box-sizing: border-box;
  padding: 12px 16px;
  border: 2px solid var(--pkb-gray-mid);
  border-radius: var(--pkb-radius-sm);
  font-family: var(--pkb-font-body);
  font-size: 15px; color: var(--pkb-navy);
  background: var(--pkb-white);
  transition: border-color var(--pkb-transition), box-shadow var(--pkb-transition);
  outline: none;
}
.pkb-input:focus {
  border-color: var(--pkb-green);
  box-shadow: 0 0 0 3px rgba(34,197,94,.15);
}

/* ── Date Picker Wrap ── */
.pkb-date-picker-wrap { margin-bottom: 28px; }
input[type="date"].pkb-input { cursor: pointer; }

/* ── Legend ── */
.pkb-legend {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-bottom: 14px;
}
.pkb-leg-item {
  font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 5px;
}

/* ── Slots Grid ── */
.pkb-slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}
/* When any slot has the widget, give all cells more room */
.pkb-slots-grid:has(.pkb-slot-has-widget) {
  grid-template-columns: repeat(auto-fill, minmax(186px, 1fr));
}
.pkb-slot-btn {
  border: 2px solid transparent;
  border-radius: var(--pkb-radius-sm);
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  font-family: var(--pkb-font-head);
  font-size: 14px; font-weight: 700;
  transition: var(--pkb-transition);
  background: var(--pkb-white);
  position: relative;
  overflow: hidden;
}
.pkb-slot-btn .pkb-slot-time { display: block; font-size: 15px; }
.pkb-slot-btn .pkb-slot-info { display: block; font-size: 11px; font-weight: 500; margin-top: 4px; font-family: var(--pkb-font-body); }

/* ── Slot button with fields widget ── */
.pkb-slot-has-widget {
  padding: 10px 8px 8px;
  overflow: visible;
}
.pkb-slot-has-widget .pkb-slot-time { font-size: 13px; }
.pkb-slot-has-widget .pkb-slot-info { font-size: 10px; margin-top: 2px; margin-bottom: 2px; }
.pkb-slot-has-widget svg            { pointer-events: none; }

.pkb-slot-free {
  border-color: var(--pkb-green);
  color: var(--pkb-green-dark);
  background: #f0fdf4;
}
.pkb-slot-free:hover, .pkb-slot-free.selected {
  background: var(--pkb-green);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34,197,94,.3);
}
.pkb-slot-partial {
  border-color: var(--pkb-yellow);
  color: #854d0e;
  background: #fefce8;
}
.pkb-slot-partial:hover, .pkb-slot-partial.selected {
  background: var(--pkb-yellow);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(234,179,8,.3);
}
.pkb-slot-full {
  border-color: var(--pkb-red);
  color: var(--pkb-red);
  background: #fef2f2;
  cursor: not-allowed;
  opacity: .65;
}
.pkb-slot-full:hover { transform: none; }

/* ── Booking Type Cards ── */
.pkb-booking-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 520px) { .pkb-booking-types { grid-template-columns: 1fr; } }

.pkb-type-card {
  border: 2.5px solid var(--pkb-gray-mid);
  border-radius: var(--pkb-radius);
  padding: 24px 20px;
  cursor: pointer;
  transition: var(--pkb-transition);
  background: var(--pkb-white);
  display: block;
  text-align: center;
  position: relative;
}
.pkb-type-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.pkb-type-card:hover {
  border-color: var(--pkb-green);
  box-shadow: var(--pkb-shadow);
  transform: translateY(-3px);
}
.pkb-type-card:has(input:checked) {
  border-color: var(--pkb-green);
  background: #f0fdf4;
  box-shadow: 0 0 0 3px rgba(34,197,94,.15);
}
.pkb-type-icon { font-size: 40px; margin-bottom: 10px; }
.pkb-type-card h3 {
  font-family: var(--pkb-font-head);
  font-size: 18px; font-weight: 800;
  color: var(--pkb-navy);
  margin: 0 0 6px;
}
.pkb-type-card p { font-size: 13px; color: var(--pkb-slate); margin: 0 0 12px; }
.pkb-type-price {
  font-family: var(--pkb-font-head);
  font-size: 24px; font-weight: 800;
  color: var(--pkb-green);
}
.pkb-type-note { font-size: 11px; color: var(--pkb-slate); margin-top: 6px; }

/* ── Players selector ── */
.pkb-players-wrap { margin-bottom: 20px; }
.pkb-players-buttons { display: flex; gap: 12px; margin-top: 8px; }
.pkb-player-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2.5px solid var(--pkb-gray-mid);
  background: var(--pkb-white);
  font-family: var(--pkb-font-head);
  font-size: 22px; font-weight: 800;
  color: var(--pkb-slate);
  cursor: pointer;
  transition: var(--pkb-transition);
}
.pkb-player-btn:hover, .pkb-player-btn.active {
  border-color: var(--pkb-green);
  background: var(--pkb-green);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(34,197,94,.3);
}
.pkb-cost-preview {
  margin-top: 12px;
  background: var(--pkb-navy);
  color: #fff;
  border-radius: var(--pkb-radius-sm);
  padding: 12px 16px;
  font-weight: 700; font-family: var(--pkb-font-head);
  font-size: 16px;
}

/* ── Form grid ── */
.pkb-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 520px) { .pkb-form-grid { grid-template-columns: 1fr; } }

.pkb-field label.pkb-label { margin-bottom: 6px; }

/* ── Member toggle ── */
.pkb-member-toggle {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 16px;
  padding: 14px 16px;
  background: var(--pkb-gray);
  border-radius: var(--pkb-radius-sm);
}
.pkb-toggle-group { display: flex; gap: 12px; }
.pkb-toggle-opt {
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
  font-weight: 600; font-size: 14px;
  color: var(--pkb-slate);
}
.pkb-toggle-opt input { accent-color: var(--pkb-green); width: 18px; height: 18px; cursor: pointer; }

/* ── Privacy ── */
.pkb-privacy-check {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--pkb-slate);
  cursor: pointer; margin-bottom: 16px;
}
.pkb-privacy-check input { accent-color: var(--pkb-green); width: 18px; height: 18px; margin-top: 1px; flex-shrink: 0; }
.pkb-privacy-check a { color: var(--pkb-green); font-weight: 600; }

/* ── Buttons ── */
.pkb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-family: var(--pkb-font-head);
  font-size: 15px; font-weight: 700;
  cursor: pointer;
  border: none;
  background: var(--pkb-green);
  color: #fff;
  transition: var(--pkb-transition);
  text-decoration: none;
  letter-spacing: .02em;
}
.pkb-btn:hover {
  background: var(--pkb-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,197,94,.35);
}
.pkb-btn:disabled {
  background: var(--pkb-gray-mid);
  color: #fff; cursor: not-allowed;
  transform: none; box-shadow: none;
}
.pkb-btn-outline {
  background: transparent;
  border: 2px solid var(--pkb-gray-mid);
  color: var(--pkb-slate);
}
.pkb-btn-outline:hover {
  border-color: var(--pkb-navy);
  color: var(--pkb-navy);
  background: transparent;
  box-shadow: none;
}
.pkb-btn-full { width: 100%; }
.pkb-btn-danger { background: var(--pkb-red); }
.pkb-btn-danger:hover { background: #b91c1c; }

/* ── Step Nav ── */
.pkb-step-nav {
  display: flex; gap: 12px; justify-content: space-between;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ── Summary Box ── */
.pkb-summary-box {
  background: var(--pkb-navy);
  border-radius: var(--pkb-radius);
  padding: 24px;
  color: #fff;
  margin-bottom: 24px;
}
.pkb-summary-box h3 {
  font-family: var(--pkb-font-head);
  font-size: 14px; font-weight: 700;
  color: var(--pkb-green);
  text-transform: uppercase; letter-spacing: .1em;
  margin: 0 0 16px;
}
.pkb-summary-row {
  display: flex; justify-content: space-between;
  font-size: 14px; margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding-bottom: 8px;
}
.pkb-summary-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.pkb-summary-row .label { color: #94a3b8; }
.pkb-summary-row .value { font-weight: 600; }
.pkb-summary-total {
  display: flex; justify-content: space-between;
  margin-top: 16px;
  font-family: var(--pkb-font-head);
  font-size: 22px; font-weight: 800;
}
.pkb-summary-total .value { color: var(--pkb-green); }

/* ── Payment section ── */
.pkb-payment-section h3 {
  font-family: var(--pkb-font-head);
  font-size: 16px; margin-bottom: 14px; color: var(--pkb-navy);
}
.pkb-divider {
  text-align: center; margin: 16px 0;
  position: relative; color: var(--pkb-slate);
  font-size: 13px;
}
.pkb-divider::before, .pkb-divider::after {
  content: '';
  position: absolute; top: 50%; width: 42%;
  height: 1px; background: var(--pkb-gray-mid);
}
.pkb-divider::before { left: 0; }
.pkb-divider::after  { right: 0; }
#pkb-paypal-buttons { margin-bottom: 4px; }

/* ── Confirm ── */
.pkb-confirm-wrap {
  text-align: center; padding: 32px 20px;
}
.pkb-confirm-icon {
  font-size: 80px; margin-bottom: 16px;
  animation: pkbBounce .6s ease;
}
@keyframes pkbBounce {
  0%   { transform: scale(0); }
  70%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.pkb-confirm-wrap h2 {
  font-family: var(--pkb-font-head);
  font-size: 28px; font-weight: 800;
  color: var(--pkb-navy); margin: 0 0 8px;
}
.pkb-confirm-wrap p { color: var(--pkb-slate); margin: 0 0 20px; }
.pkb-confirm-box {
  background: var(--pkb-gray);
  border-radius: var(--pkb-radius);
  padding: 20px;
  text-align: left;
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.8;
}
.pkb-confirm-box strong { color: var(--pkb-navy); }
.pkb-confirm-email-note {
  font-size: 13px; color: var(--pkb-slate);
  margin-bottom: 24px;
}

/* ── Utilities ── */
.pkb-loader { text-align: center; padding: 20px; color: var(--pkb-slate); font-size: 14px; }
.pkb-info-msg { background: var(--pkb-gray); border-radius: var(--pkb-radius-sm); padding: 14px 16px; color: var(--pkb-slate); font-size: 14px; }
.pkb-error-msg { background: #fef2f2; border: 1px solid #fca5a5; border-radius: var(--pkb-radius-sm); padding: 12px 16px; color: #b91c1c; font-size: 14px; margin-bottom: 12px; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .pkb-step-header h2 { font-size: 20px; }
  .pkb-btn { padding: 12px 18px; font-size: 14px; }
  .pkb-progress-step small { display: none; }
}