:root {
  --brown-dark: #1e293b;
  --brown: #334155;
  --green-dark: #15805f;
  --green: #1d9e75;
  --cream: #ffffff;
  --sand: #f0f5fa;
  --border: #d1d5db;
  --easy: #1d9e75;
  --medium: #e69800;
  --hard: #be1025;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: var(--cream);
  color: var(--brown);
}

#app {
  display: flex;
  height: 82vh;
  min-height: 480px;
  max-height: 900px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

#sidebar {
  width: 340px;
  min-width: 280px;
  background: var(--sand);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  overflow: hidden;
}

#sidebar h1 {
  font-size: 1.15rem;
  margin: 14px 16px 8px;
  color: var(--green-dark);
}

.filters {
  padding: 0 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}

.filters label {
  font-size: 0.8rem;
  color: var(--brown-dark);
  margin-top: 4px;
}

#search, #region-filter {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: #fff;
}

.chip-group {
  display: flex;
  gap: 6px;
}

.chip {
  flex: 1;
  padding: 6px 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s, color 0.15s;
}

.chip[data-value="קל"].active { background: var(--easy); color: #fff; border-color: var(--easy); }
.chip[data-value="בינוני"].active { background: var(--medium); color: #fff; border-color: var(--medium); }
.chip[data-value="קשה"].active { background: var(--hard); color: #fff; border-color: var(--hard); }

#distance-filter {
  width: 100%;
}

#results-count {
  padding: 8px 16px 0;
  font-size: 0.8rem;
  color: var(--brown);
}

#trail-list {
  list-style: none;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  flex: 1;
}

.region-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--green-dark);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  margin: 10px 0 6px;
}

.region-header:first-child {
  margin-top: 0;
}

.trail-item {
  padding: 10px 10px;
  margin-bottom: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.trail-item:hover {
  box-shadow: 0 1px 6px rgba(0,0,0,0.12);
  border-color: var(--green);
}

.trail-item.selected {
  border-color: var(--green-dark);
  background: #e8f7f2;
}

.trail-item .title {
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 4px;
  color: var(--green-dark);
}

.trail-item .meta {
  font-size: 0.78rem;
  color: #64748b;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 0.72rem;
  color: #fff;
}

.badge.difficulty-קל { background: var(--easy); }
.badge.difficulty-בינוני { background: var(--medium); }
.badge.difficulty-קשה { background: var(--hard); }
.badge.difficulty-unknown { background: #999; }

#map-wrap {
  flex: 1;
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
}

#trail-info {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  max-width: 420px;
  margin-inline-start: auto;
  background: #fff;
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  z-index: 1000;
}

#trail-info.hidden { display: none; }

#trail-info h2 {
  font-size: 1rem;
  margin: 0 24px 8px 0;
  color: var(--green-dark);
}

#info-meta {
  font-size: 0.82rem;
  color: #64748b;
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

#info-download {
  display: inline-block;
  background: var(--green);
  color: #fff;
  padding: 7px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.85rem;
}

#info-download:hover { background: var(--green-dark); }

#close-info {
  position: absolute;
  top: 8px;
  left: 10px;
  border: none;
  background: none;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  color: #888;
}

@media (max-width: 720px) {
  #app {
    flex-direction: column;
    height: auto;
    max-height: none;
  }
  #sidebar {
    width: 100%;
    border-left: none;
    border-bottom: 1px solid var(--border);
    max-height: 45vh;
  }
  #map-wrap {
    flex: none;
    height: 50vh;
  }
  #trail-info {
    left: 10px;
    right: 10px;
    max-width: none;
  }
}