@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2ea3f2;
  --primary-dark: #1a89d4;
  --success: #27ae60;
  --warning: #e67e22;
  --danger: #c0392b;
  --text: #333;
  --text-muted: #666;
  --light: #f3f3f3;
  --border: #eee;
  --nav-height: 70px;
}

body {
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--text-muted);
  background: var(--light);
  font-size: 14px;
  line-height: 1.7;
}

/* ── Navigation ─────────────────────────────────── */
nav {
  background: #fff;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.nav-brand svg { width: 22px; height: 22px; fill: var(--primary); }

.nav-links {
  display: flex;
  gap: 0.1rem;
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: 3px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--primary);
  transition: left 0.2s, right 0.2s;
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { left: 0.85rem; right: 0.85rem; }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after { left: 0.85rem; right: 0.85rem; }

/* ── Page shell ─────────────────────────────────── */
.page { margin-top: var(--nav-height); min-height: calc(100vh - var(--nav-height) - 88px); }

/* ── Map page (height set inline in index.html to guarantee px resolution) ── */

.map-legend {
  background: #fff;
  padding: 0.7rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  line-height: 1.7;
  min-width: 130px;
  box-shadow: 0 0 10px rgba(0,0,0,0.08);
  font-family: 'Open Sans', Arial, sans-serif;
}
.map-legend h4 { font-size: 0.8rem; color: var(--text); font-weight: 700; margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.5px; }
.legend-item { display: flex; align-items: center; gap: 0.45rem; color: var(--text-muted); }
.legend-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }

.popup-title { font-weight: 700; font-size: 0.95rem; color: var(--text); margin-bottom: 0.4rem; font-family: 'Open Sans', Arial, sans-serif; }
.popup-row { display: flex; justify-content: space-between; font-size: 0.8rem; padding: 0.12rem 0; border-bottom: 1px solid var(--border); color: var(--text-muted); font-family: 'Open Sans', Arial, sans-serif; }
.popup-row:last-child { border-bottom: none; }
.popup-label { color: #999; margin-right: 0.4rem; flex-shrink: 0; }
.popup-val { text-align: right; color: var(--text); }

/* ── Inner page layout ──────────────────────────── */
.inner-page { padding: 2rem 1.5rem; max-width: 1080px; margin: 0 auto; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-header h1 { font-size: 1.6rem; color: var(--text); font-weight: 700; }
.page-header p { color: var(--text-muted); margin-top: 0.2rem; font-size: 0.875rem; }

/* ── Stats row ──────────────────────────────────── */
.stats-row { display: flex; gap: 0.75rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.85rem 1.25rem;
  text-align: center;
  flex: 1;
  min-width: 90px;
  box-shadow: 0 0 10px rgba(0,0,0,0.04);
}
.stat-num { font-size: 1.85rem; font-weight: 700; color: var(--primary); line-height: 1; }
.stat-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 0.25rem; font-weight: 600; }

/* ── Controls ───────────────────────────────────── */
.controls { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1rem; align-items: center; }

.search-input,
.filter-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 0.875rem;
  font-family: 'Open Sans', Arial, sans-serif;
  background: #fff;
  color: var(--text);
  transition: border-color 0.2s;
}
.search-input { flex: 1; min-width: 180px; max-width: 300px; }
.filter-select { cursor: pointer; }
.search-input:focus, .filter-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46,163,242,0.1);
}

/* ── Buttons ────────────────────────────────────── */
.btn {
  padding: 0.5rem 1.1rem;
  border-radius: 3px;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Open Sans', Arial, sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
  letter-spacing: 0.2px;
}
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover { background: #1e8449; border-color: #1e8449; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border-color: #ccc;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-edit   { background: #e8f4fd; color: var(--primary); border-color: #bee3f8; }
.btn-edit:hover { background: var(--primary); color: #fff; }
.btn-delete { background: #fdf2f2; color: var(--danger); border-color: #f5c6c6; }
.btn-delete:hover { background: var(--danger); color: #fff; }

/* ── Table ──────────────────────────────────────── */
.table-wrap {
  background: #fff;
  border-radius: 4px;
  border: 1px solid var(--border);
  overflow: hidden;
  overflow-x: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.04);
}
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  background: var(--primary);
  color: #fff;
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
th:hover { background: var(--primary-dark); }
th .si { margin-left: 0.3rem; opacity: 0.75; font-size: 0.72rem; }
td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-muted); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f9fdff; }
.no-results td { text-align: center; color: var(--text-muted); padding: 2.5rem; font-style: italic; }

/* ── Badges ─────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}
.badge-available   { background: #d4edda; color: #155724; }
.badge-deployed    { background: #fff3cd; color: #856404; }
.badge-unavailable { background: #f8d7da; color: #721c24; }
.badge-drinking_water { background: #d1ecf8; color: #004085; }
.badge-wastewater     { background: #d1f0ec; color: #0c5460; }
.badge-both           { background: #e8e3f5; color: #4a235a; }

/* ── About page ─────────────────────────────────── */
.about-page { max-width: 860px; margin: 0 auto; padding: 2rem 1.5rem; }
.about-page h1 { font-size: 1.7rem; color: var(--text); font-weight: 700; margin-bottom: 0.3rem; }
.about-subtitle { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 2rem; }

.about-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.04);
}
.about-section h2 {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light);
}
.about-section p { line-height: 1.75; color: var(--text-muted); margin-bottom: 0.7rem; }
.about-section p:last-child { margin-bottom: 0; }
.about-section ul { margin: 0.4rem 0 0.75rem 1.25rem; line-height: 1.9; color: var(--text-muted); }
.about-section a { color: var(--primary); text-decoration: none; }
.about-section a:hover { text-decoration: underline; }

.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); gap: 0.65rem; margin-top: 0.75rem; }
.category-item { background: var(--light); border-radius: 3px; padding: 0.65rem 0.8rem; font-size: 0.83rem; display: flex; align-items: center; gap: 0.5rem; color: var(--text-muted); }
.category-item .ci { font-size: 1.1rem; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem; }
.contact-card { background: var(--light); border-radius: 3px; padding: 0.85rem 1rem; font-size: 0.85rem; line-height: 1.7; color: var(--text-muted); }
.contact-card strong { display: block; color: var(--text); font-weight: 700; margin-bottom: 0.2rem; }
.contact-card a { color: var(--primary); text-decoration: none; }

/* ── Manage / Form page ─────────────────────────── */
.manage-page { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem; }
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.04);
}
.form-card h2 {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 0.8rem; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 0.4px; }
label .req { color: var(--danger); }

input[type="text"], input[type="email"], input[type="number"], input[type="tel"],
select, textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 3px;
  font-size: 0.875rem;
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--text);
  transition: border-color 0.2s;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46,163,242,0.1);
}
textarea { resize: vertical; min-height: 80px; }

.form-actions { display: flex; gap: 0.65rem; justify-content: flex-end; margin-top: 1.1rem; padding-top: 0.9rem; border-top: 1px solid var(--border); }

.alert { padding: 0.75rem 1rem; border-radius: 3px; margin-bottom: 0.9rem; font-size: 0.875rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6c6; }
.alert-info    { background: #d1ecf8; color: #004085; border: 1px solid #b8daff; }

.readonly-tag { font-size: 0.68rem; color: #999; border: 1px solid var(--border); border-radius: 3px; padding: 0.08rem 0.35rem; margin-left: 0.35rem; vertical-align: middle; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }

#picker-map { height: 220px; border-radius: 3px; border: 1px solid #ccc; margin-top: 0.4rem; }
.coord-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-top: 0.5rem; }
.coord-hint { font-size: 0.75rem; color: #999; margin-top: 0.3rem; }
.coord-hint a { color: var(--primary); }

/* ── Footer ─────────────────────────────────────── */
footer {
  background: #222;
  color: rgba(255,255,255,0.65);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.8;
  margin-top: auto;
}
footer a { color: rgba(255,255,255,0.75); text-decoration: none; }
footer a:hover { color: var(--primary); }
footer strong { color: rgba(255,255,255,0.9); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-row { gap: 0.4rem; }
  th, td { padding: 0.55rem 0.65rem; }
  .inner-page, .about-page, .manage-page { padding: 1.25rem 1rem; }
  nav { padding: 0 1rem; }
  .nav-brand font-size { font-size: 0.9rem; }
}