/* ============================================================
   Vloerambulance Booking - Frontend
   Geel/zwart huisstijl, mobile-first
============================================================ */

.va-book {
  --va-geel: #F2A900;
  --va-geel-dark: #D89400;
  --va-zwart: #0A0A0A;
  --va-grijs-700: #2F2F2F;
  --va-grijs-500: #6B6B6B;
  --va-grijs-300: #D4D4D4;
  --va-grijs-100: #EEECE8;
  --va-offwhite: #F8F6F2;
  --va-wit: #FFFFFF;
  --va-rood: #E63946;
  --va-groen: #4CAF50;

  font-family: 'Archivo', system-ui, -apple-system, sans-serif;
  color: var(--va-zwart);
  max-width: 900px;
  margin: 0 auto;
  background: var(--va-wit);
  border: 2px solid var(--va-zwart);
  box-shadow: 8px 8px 0 var(--va-zwart);
  padding: 32px;
}

.va-book *, .va-book *::before, .va-book *::after { box-sizing: border-box; }
.va-book button { font-family: inherit; cursor: pointer; }

/* Step indicator */
.va-book-steps {
  display: flex; align-items: center; gap: 0;
  margin-bottom: 32px; padding-bottom: 24px;
  border-bottom: 2px solid var(--va-grijs-100);
}
.va-book-steps .va-step {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.va-step-num {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px;
  background: var(--va-grijs-100); color: var(--va-grijs-500);
  border: 2px solid var(--va-grijs-100);
  transition: all 0.2s;
}
.va-step-label { font-size: 14px; color: var(--va-grijs-500); font-weight: 600; }
.va-step.active .va-step-num { background: var(--va-geel); color: var(--va-zwart); border-color: var(--va-zwart); }
.va-step.active .va-step-label { color: var(--va-zwart); }
.va-step.done .va-step-num { background: var(--va-zwart); color: var(--va-geel); border-color: var(--va-zwart); }
.va-step-line { flex: 1; height: 2px; background: var(--va-grijs-100); margin: 0 12px; }

/* Headers */
.va-book-header { margin-bottom: 24px; }
.va-book-h2 {
  font-family: 'Anton', 'Impact', sans-serif;
  font-size: clamp(28px, 4vw, 40px); line-height: 1; letter-spacing: -0.01em;
  text-transform: uppercase; margin: 0 0 8px;
}
.va-book-sub { font-size: 15px; color: var(--va-grijs-500); margin: 0; }

/* Calendar controls */
.va-cal-controls {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--va-zwart); color: var(--va-wit);
  padding: 14px 18px; margin-bottom: 0;
}
.va-cal-controls button {
  background: transparent; color: var(--va-geel); border: none;
  font-size: 28px; font-weight: 900; line-height: 1;
  width: 40px; height: 40px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.va-cal-controls button:hover { background: rgba(242,169,0,0.15); }
.va-cal-month {
  font-family: 'Anton', sans-serif;
  font-size: 22px; text-transform: uppercase; letter-spacing: 0.05em;
}

.va-cal-legend {
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--va-offwhite);
  font-size: 12px; color: var(--va-grijs-500); font-weight: 600;
}
.va-cal-legend span { display: flex; align-items: center; gap: 6px; }
.va-leg-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.va-leg-available { background: var(--va-groen); }
.va-leg-partial { background: var(--va-geel); }
.va-leg-full { background: var(--va-rood); }

/* Calendar grid */
.va-cal-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  border: 1px solid var(--va-grijs-300); border-top: none;
}
.va-cal-loading {
  grid-column: 1 / -1; padding: 40px; text-align: center;
  color: var(--va-grijs-500);
}
.va-cal-dayhead {
  background: var(--va-grijs-100); padding: 10px 4px;
  text-align: center; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--va-grijs-500);
  border-right: 1px solid var(--va-grijs-300);
  border-bottom: 1px solid var(--va-grijs-300);
}
.va-cal-dayhead:nth-child(7n) { border-right: none; }

.va-cal-cell {
  aspect-ratio: 1 / 1; padding: 8px 6px; position: relative;
  border-right: 1px solid var(--va-grijs-300);
  border-bottom: 1px solid var(--va-grijs-300);
  display: flex; flex-direction: column; justify-content: space-between;
  background: var(--va-wit); transition: background 0.15s;
}
.va-cal-cell:nth-child(7n) { border-right: none; }
.va-cell-empty { background: var(--va-offwhite); }
.va-cell-num { font-size: 16px; font-weight: 700; color: var(--va-zwart); }
.va-cell-status { font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }

.va-cell-available { background: var(--va-wit); cursor: pointer; }
.va-cell-available:hover { background: var(--va-geel); }
.va-cell-available .va-cell-status { color: var(--va-groen); }

.va-cell-partial { background: var(--va-wit); cursor: pointer; }
.va-cell-partial:hover { background: var(--va-geel); }
.va-cell-partial .va-cell-num::after {
  content: ''; display: inline-block; width: 6px; height: 6px;
  background: var(--va-geel); border-radius: 50%; margin-left: 4px; vertical-align: middle;
}
.va-cell-partial .va-cell-status { color: var(--va-geel-dark); }

.va-cell-full { background: var(--va-grijs-100); cursor: not-allowed; }
.va-cell-full .va-cell-num { color: var(--va-grijs-500); text-decoration: line-through; }
.va-cell-full .va-cell-status { color: var(--va-rood); }

.va-cell-blocked { background: var(--va-grijs-100); cursor: not-allowed; }
.va-cell-blocked .va-cell-num { color: var(--va-grijs-500); }
.va-cell-blocked .va-cell-status { color: var(--va-grijs-500); }

.va-cell-closed { background: var(--va-offwhite); cursor: not-allowed; }
.va-cell-closed .va-cell-num { color: var(--va-grijs-300); }
.va-cell-closed .va-cell-status { color: var(--va-grijs-300); }

.va-cell-past { background: var(--va-offwhite); cursor: not-allowed; }
.va-cell-past .va-cell-num { color: var(--va-grijs-300); }
.va-cell-past .va-cell-status { display: none; }

.va-cell-selected {
  background: var(--va-zwart) !important; outline: 3px solid var(--va-geel); outline-offset: -3px;
}
.va-cell-selected .va-cell-num { color: var(--va-wit); }
.va-cell-selected .va-cell-status { color: var(--va-geel); }

/* Time slots */
.va-slots-wrap {
  margin-top: 24px; padding: 24px; background: var(--va-offwhite);
  border: 2px solid var(--va-zwart);
}
.va-slots-title {
  font-family: 'Anton', sans-serif; font-size: 18px;
  text-transform: uppercase; margin: 0 0 16px; line-height: 1.2;
}
.va-slots-title span { color: var(--va-geel-dark); }
.va-slots {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
}
.va-slot {
  background: var(--va-wit); border: 2px solid var(--va-zwart);
  padding: 14px 10px; font-weight: 700; font-size: 16px;
  text-align: center; transition: all 0.15s;
}
.va-slot.available:hover { background: var(--va-geel); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--va-zwart); }
.va-slot.unavailable {
  background: var(--va-grijs-100); border-color: var(--va-grijs-300);
  color: var(--va-grijs-500); cursor: not-allowed;
  text-decoration: line-through;
}
.va-slot.selected {
  background: var(--va-zwart); color: var(--va-geel); border-color: var(--va-zwart);
  box-shadow: 4px 4px 0 var(--va-geel);
}

/* Form */
.va-form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.va-field { display: flex; flex-direction: column; }
.va-field-full { grid-column: 1 / -1; }
.va-field label {
  font-size: 13px; font-weight: 700; margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.va-field input, .va-field select, .va-field textarea {
  border: 2px solid var(--va-zwart); padding: 12px 14px;
  font-size: 15px; font-family: inherit; background: var(--va-wit);
  width: 100%;
}
.va-field input:focus, .va-field select:focus, .va-field textarea:focus {
  outline: none; box-shadow: 4px 4px 0 var(--va-geel);
}
.va-optional { font-weight: 400; color: var(--va-grijs-500); text-transform: none; letter-spacing: 0; }

.va-checkbox { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; font-weight: 400; text-transform: none; letter-spacing: 0; }
.va-checkbox input { width: auto; margin-top: 4px; flex-shrink: 0; }
.va-checkbox span { font-size: 14px; line-height: 1.5; }
.va-checkbox a { color: var(--va-zwart); text-decoration: underline; text-decoration-color: var(--va-geel); text-decoration-thickness: 2px; }

.va-postcode-feedback {
  margin-top: 6px; font-size: 13px; font-weight: 600;
}
.va-postcode-feedback.valid { color: var(--va-groen); }
.va-postcode-feedback.invalid { color: var(--va-rood); }

/* Buttons */
.va-btn {
  font-family: 'Archivo', sans-serif; font-weight: 800; font-size: 15px;
  text-transform: uppercase; letter-spacing: 0.05em; padding: 16px 28px;
  border: 2px solid var(--va-zwart); cursor: pointer; transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.va-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.va-btn-primary {
  background: var(--va-geel); color: var(--va-zwart); border-color: var(--va-zwart);
  box-shadow: 5px 5px 0 var(--va-zwart);
}
.va-btn-primary:not(:disabled):hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--va-zwart); }
.va-btn-back { background: var(--va-wit); color: var(--va-zwart); }
.va-btn-back:hover { background: var(--va-grijs-100); }

.va-book-footer {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 28px; padding-top: 20px;
  border-top: 2px solid var(--va-grijs-100);
}
.va-book-footer .va-btn-primary { margin-left: auto; }

.va-error {
  background: #FFE4E6; border-left: 4px solid var(--va-rood);
  padding: 14px 18px; margin-top: 16px; font-size: 14px; color: var(--va-zwart);
}

/* Summary (stap 3) */
.va-summary {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 24px;
}
.va-summary-block {
  background: var(--va-offwhite); padding: 20px;
  border-left: 4px solid var(--va-geel);
}
.va-summary-block h3 {
  font-family: 'Anton', sans-serif; font-size: 14px;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin: 0 0 10px; color: var(--va-grijs-500);
}
.va-summary-block div { font-size: 14px; line-height: 1.5; color: var(--va-zwart); font-weight: 600; }
.va-summary-block .va-sum-em { color: var(--va-zwart); font-size: 16px; }

.va-payment-card {
  background: var(--va-zwart); color: var(--va-wit); padding: 24px;
  border-left: 6px solid var(--va-geel);
}
.va-payment-row {
  display: flex; justify-content: space-between; padding: 10px 0;
  font-size: 15px;
}
.va-payment-row strong { color: var(--va-wit); font-size: 16px; }
.va-payment-note { font-size: 13px; color: var(--va-geel); padding-bottom: 14px; border-bottom: 1px solid var(--va-grijs-700); }
.va-payment-total { padding-top: 14px; }
.va-payment-total span { font-weight: 700; }
.va-payment-total strong { font-family: 'Anton', sans-serif; font-size: 28px; color: var(--va-geel); }

/* Responsive */
@media (max-width: 768px) {
  .va-book { padding: 20px; box-shadow: 4px 4px 0 var(--va-zwart); }
  .va-book-steps { gap: 0; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 16px; }
  .va-step-label { display: none; }
  .va-step.active .va-step-label { display: inline; }
  .va-step-line { min-width: 20px; }
  .va-form-grid { grid-template-columns: 1fr; }
  .va-summary { grid-template-columns: 1fr; }
  .va-cal-cell { padding: 4px 2px; }
  .va-cell-num { font-size: 14px; }
  .va-cell-status { font-size: 8px; }
  .va-slots { grid-template-columns: repeat(3, 1fr); }
  .va-book-footer { flex-direction: column; }
  .va-book-footer .va-btn { width: 100%; justify-content: center; margin-left: 0; }
}

@media (max-width: 420px) {
  .va-book { padding: 16px; border-width: 2px; box-shadow: 3px 3px 0 var(--va-zwart); }
  .va-cal-controls { padding: 10px 12px; }
  .va-cal-month { font-size: 18px; }
  .va-cell-status { display: none; }
  .va-slots { grid-template-columns: repeat(2, 1fr); }
}