/* ==========================================================
   BOEKING THEME – Gecentraliseerde Base Styles
   Cross-browser consistent • Responsive • Geen !important
   ========================================================== */

/* ========== CSS Custom Properties ========== */
:root {
  /* Colors */
  --accent-color: #37707E;
  --accent-gradient: linear-gradient(90deg, #2b6e4f, #3d9969);
  --accent-gradient-badge: linear-gradient(90deg, #073f6b, #0772c4);
  --accent-gradient-hover: linear-gradient(90deg, #3fa36f, #2d835b);
  --button-text-color: #ffffff;
  --background-color: #f7f8fa;
  --card-bg: #fffefb;
  --border-color: #e6ecd9;
  --text-primary: #333;
  --text-secondary: #555;
  --shadow-light: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-medium: 0 4px 12px rgba(0,0,0,0.08);
  
  /* Spacing & Layout */
  --gap-size: 1rem;
  --gap-size-md: 1.4rem;
  --radius: 8px;
  --radius-lg: 14px;
  --sidebar-width: 230px;
  --sidebar-width-tablet: 180px;
  --container-max: 1150px;
  --card-min-width: 260px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(to bottom, var(--background-color) 0%, #f1f8f1 100%);
  background-attachment: fixed;
  margin: 0;
  padding: 0;
  color: var(--text-primary);
  line-height: 1.5;
}

/* ========== Container ========== */
.container {
  max-width: var(--container-max);
  margin-left: calc(var(--sidebar-width) + 1.5rem);
  margin-right: auto;
  padding: 1.5rem;
  transition: margin-left var(--transition-medium);
}

/* Tablet: smallere sidebar */
@media (max-width: 1024px) {
  .container {
    margin-left: calc(var(--sidebar-width-tablet) + 1rem);
  }
}

/* Mobile: full width */
@media (max-width: 768px) {
  .container {
    margin-left: 0 !important;
    max-width: 100%;
    padding: 1rem;
  }
}

/* ========== Filterbar ========== */
.filter-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  padding: 1.1rem 1.5rem;
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap-size-md);
  align-items: end;
}

/* Mobile: stack vertical */
@media (max-width: 768px) {
  .filter-bar {
    grid-template-columns: 1fr !important;
    position: static;
    gap: var(--gap-size);
    padding: 1rem;
  }
}

/* Form fields */
.filter-bar label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.filter-bar input[type="date"],
.filter-bar select,
.filter-bar input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  min-height: 44px; /* Touch target */
}

.filter-bar button {
  background: var(--accent-gradient);
  color: var(--button-text-color);
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1.3rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  width: 100%;
}

/* Grid spans */
.col-span-3 { grid-column: span 3; }
.col-span-2 { grid-column: span 2; }
.col-span-4 { grid-column: span 4; }
.col-span-12 { grid-column: span 12; }
.col-span-1 { grid-column: span 1; }

/* Mobile: all spans become 12 */
@media (max-width: 768px) {
  [class^="col-span-"] { grid-column: span 12 !important; }
}

/* ========== Kids ages ========== */
.kids-ages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.kid-age {
  flex: 1 1 minmax(120px, 1fr);
  min-width: 110px;
}

/* ========== Cards ========== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: var(--gap-size);
  margin-top: var(--gap-size);
  padding: 1rem 0;
}

/* Special layouts */
.cards.cards-1 {
  grid-template-columns: 1fr;
  max-width: 550px;
}

.cards.cards-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-size-md);
}

/* Mobile: always 1 column */
@media (max-width: 768px) {
  .cards,
  .cards.cards-1,
  .cards.cards-2 {
    grid-template-columns: 1fr !important;
    max-width: 100% !important;
  }
}

/* Card base */
.card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  opacity: 0;
  transform: translateY(10px);
  animation: cardFadeIn var(--transition-medium) forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }

@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card image */
.card-image {
  width: 100%;
  height: clamp(120px, 30vw, 180px);
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border-color);
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.03);
}

/* Card header */
.card-header {
  background: var(--accent-gradient);
  color: var(--button-text-color);
  padding: 0.8rem 1rem;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header::before {
  content: "🏕️";
  font-size: 1.2rem;
}

/* Card content */
.card-content {
  padding: 1.2rem;
  flex: 1;
}

.card-content .desc {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.5;
  margin: 0.5rem 0;
}

.card button {
  width: 100%;
  max-width: 200px;
  margin-top: 0.7rem;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: var(--radius);
  background: var(--accent-gradient);
  color: var(--button-text-color);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}

@media (max-width: 768px) {
  .card button {
    max-width: 100%;
  }
}

/* Disabled state */
.card button.disabled,
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========== Utility classes ========== */
.msg-note {
  border-left: 4px solid var(--accent-color);
  background: #f8fff8;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}

#loadingOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(2px);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ========== Responsive Images ========== */
img {
  max-width: 100%;
  height: auto;
}

/* ========== Reduced motion ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}