/*  Tunisia Water Watch — design tokens
    ---------------------------------------------------
    Sober, institutional palette. Warm off-white background, muted
    navy brand, terracotta accent for drought. Values chosen so the
    dashboard reads as an editorial data product rather than a SaaS
    template.
*/
:root {
  --bg:            #f6f4ef;     /* warm off-white */
  --bg-elev:       #fefdfa;
  --surface:       #ffffff;
  --surface-2:     #fafaf7;
  --ink:           #1a1d24;
  --ink-2:         #3a3f4a;
  --muted:         #6b6b76;
  --muted-2:       #9a9aa4;
  --border:        rgba(20, 22, 30, 0.09);
  --border-strong: rgba(20, 22, 30, 0.14);

  --brand:         #0f4c81;     /* deep navy */
  --brand-2:       #1968b3;
  --brand-tint:    rgba(15, 76, 129, 0.08);
  --accent:        #b1541f;     /* terracotta */
  --accent-2:      #d47338;

  --green:         #2f7d5c;
  --olive:         #7a8a2a;
  --yellow:        #c98a2b;
  --red:           #b0361c;
  --deep-red:      #7a2417;
  --gray:          #8a8f98;

  --shadow-sm:     0 1px 2px rgba(20, 22, 30, 0.04);
  --shadow-md:     0 1px 3px rgba(20, 22, 30, 0.05), 0 6px 20px rgba(20, 22, 30, 0.05);
  --shadow-lg:     0 2px 6px rgba(20, 22, 30, 0.06), 0 20px 40px rgba(20, 22, 30, 0.07);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;

  --font-latin:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-arabic:   "Noto Naskh Arabic", "Amiri", "Segoe UI Arabic", "Geeza Pro", system-ui, serif;
  --font-mono:     ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 15px;
  line-height: 1.55;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html[dir="rtl"] body {
  font-family: var(--font-arabic);
  font-size: 16px;
  line-height: 1.7;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

main.wrap {
  padding: 2rem 1.25rem 4rem;
}

/* ---------- header ---------- */

.site-header {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  position: sticky;
  top: 0;
  /* Leaflet panes range from 200 to 700; header must sit above them. */
  z-index: 1000;
  backdrop-filter: saturate(120%) blur(6px);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}
.brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  margin-inline-end: 0.55rem;
  vertical-align: 1px;
  box-shadow: 0 0 0 3px var(--brand-tint);
}
nav { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, color 0.15s ease;
}
nav a:hover { background: var(--brand-tint); color: var(--brand); }
nav a.lang-toggle {
  border: 1px solid var(--border-strong);
  margin-inline-start: 0.5rem;
  padding: 0.35rem 0.7rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
}
nav a.lang-toggle:hover { background: var(--brand); color: white; border-color: var(--brand); }

/* ---------- headings ---------- */

h1, h2, h3 { color: var(--ink); letter-spacing: -0.015em; }
h1 { font-size: 2.1rem; line-height: 1.15; margin: 0 0 0.5rem; font-weight: 700; }
h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-inline-start: 0.75rem;
  border-inline-start: 3px solid var(--brand);
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

/* ---------- hero ---------- */

.hero {
  margin: 1.75rem 0 1rem;
  max-width: 720px;
}
.hero p { color: var(--muted); font-size: 1.05rem; line-height: 1.55; }

.hero-composite {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.75rem 1.75rem 1.5rem;
  margin: 1.5rem 0 2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: center;
}
.gauge {
  width: 132px;
  height: 132px;
  position: relative;
}
.gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-track { stroke: rgba(20, 22, 30, 0.08); fill: none; stroke-width: 12; }
.gauge-fill  { stroke: var(--brand); fill: none; stroke-width: 12; stroke-linecap: round; transition: stroke-dasharray 0.4s ease; }
.gauge-value {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--font-latin);
}
.gauge-value .n { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1; }
.gauge-value .u { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 0.35rem; }

.hero-composite .head-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.hero-composite h1 { font-size: 1.6rem; margin: 0.2rem 0 0.4rem; }
.hero-composite .body { color: var(--muted); font-size: 0.95rem; max-width: 520px; }
.hero-composite .band-pill { display: inline-block; padding: 0.2rem 0.7rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.03em; margin-inline-start: 0.5rem; text-transform: uppercase; vertical-align: 2px; }

/* gauge palette per band */
.gauge.band-abundant .gauge-fill { stroke: var(--green); }
.gauge.band-normal   .gauge-fill { stroke: var(--olive); }
.gauge.band-watch    .gauge-fill { stroke: var(--yellow); }
.gauge.band-drought  .gauge-fill { stroke: var(--red); }
.gauge.band-severe   .gauge-fill { stroke: var(--deep-red); }
.gauge.band-unknown  .gauge-fill { stroke: var(--gray); }

/* ---------- stats grid ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 2rem;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.stat:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat-label {
  color: var(--muted);
  font-size: 0.83rem;
  margin-top: 0.4rem;
  line-height: 1.35;
}

.stat.drought-green  .stat-value { color: var(--green); }
.stat.drought-yellow .stat-value { color: var(--yellow); }
.stat.drought-red    .stat-value { color: var(--red); }

/* ---------- map ---------- */

.map-section {
  margin: 1.5rem 0 2rem;
  position: relative;
}
#map, #gov-map {
  width: 100%; height: 480px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.map-legend {
  position: absolute;
  bottom: 14px;
  inset-inline-end: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.7rem;
  font-size: 0.78rem;
  box-shadow: var(--shadow-sm);
  z-index: 500;
}
/* Turn standard OSM tiles into a subdued monochrome basemap so the coloured
   data dots pop. Pure CSS filter — no third-party tile server, no API key. */
.leaflet-tile-pane {
  filter: grayscale(0.85) contrast(0.9) brightness(1.05) saturate(0.6);
}
.map-legend .row {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.1rem 0;
  color: var(--ink-2);
}
.map-legend .dot {
  width: 10px; height: 10px; border-radius: 50%; display: inline-block;
  flex: 0 0 auto;
}

/* ---------- tables ---------- */

.table-section { margin: 1.5rem 0 2rem; }
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 0.9rem;
}
th, td {
  padding: 0.65rem 0.9rem;
  text-align: start;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
th {
  background: var(--surface-2);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
td.num, th.num { text-align: end; font-variant-numeric: tabular-nums; }
html[dir="rtl"] td.num, html[dir="rtl"] th.num { text-align: end; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--brand-tint); }
tbody tr td:first-child { font-weight: 500; color: var(--ink); }

/* sparkline cell */
.spark { min-width: 100px; }
.spark svg { display: block; width: 100px; height: 24px; }
html[dir="rtl"] .spark svg { transform: scaleX(-1); }

/* ---------- badges ---------- */

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: white;
  text-transform: capitalize;
  line-height: 1.4;
}
.badge-green  { background: var(--green); }
.badge-yellow { background: var(--yellow); }
.badge-red    { background: var(--red); }
.badge-gray   { background: var(--gray); }

.badge-band-abundant { background: var(--green); }
.badge-band-normal   { background: var(--olive); }
.badge-band-watch    { background: var(--yellow); }
.badge-band-drought  { background: var(--red); }
.badge-band-severe   { background: var(--deep-red); }
.badge-band-unknown  { background: var(--gray); }

/* ---------- charts ---------- */

.chart-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem 0.75rem;
  margin: 1.5rem 0 2rem;
  box-shadow: var(--shadow-sm);
}
.chart-section canvas { min-height: 240px; }

/* ---------- misc ---------- */

a { color: var(--brand); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.15s ease; }
a:hover { border-bottom-color: var(--brand); }
.crumbs { margin: 0 0 1.25rem; }
.crumbs a { color: var(--muted); font-size: 0.9rem; }
.crumbs a:hover { color: var(--ink); border-bottom-color: transparent; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.tiny { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
html[dir="rtl"] .tiny { direction: ltr; text-align: end; unicode-bidi: embed; }

.dam-header { margin: 0.5rem 0 1.5rem; }
.dam-header h1 { font-size: 2rem; }
.dam-header p { color: var(--muted); margin: 0.25rem 0 0; }
.anomaly-line {
  margin-top: 0.75rem !important;
  padding: 0.75rem 1rem;
  background: var(--brand-tint);
  border-inline-start: 3px solid var(--brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-2) !important;
  font-size: 0.95rem;
  line-height: 1.5;
}
html[dir="rtl"] .anomaly-line { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }

/* ---------- briefing (state of the week) ---------- */
.briefing { margin-top: 0.5rem; }
.briefing-body {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0.4rem 0 0;
  max-width: 640px;
}

/* ---------- notable this week ---------- */
.notable { margin: 2rem 0; }
.notable-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.notable-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
}
.notable-panel .eyebrow { margin-bottom: 0.5rem; }
.notable-panel ul { list-style: none; padding: 0; margin: 0; }
.notable-panel li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}
.notable-panel li:last-child { border-bottom: none; }
.notable-panel li a { font-weight: 500; color: var(--ink); border-bottom: none; }
.notable-panel li a:hover { color: var(--brand); }
.notable-panel .num { font-variant-numeric: tabular-nums; color: var(--ink-2); margin-inline-start: auto; }

/* ---------- deltas on hero stats ---------- */
.stat-delta { margin-top: 0.5rem; font-size: 0.78rem; }
.delta {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  margin-inline-end: 0.4rem;
}
.delta-up   { background: rgba(47, 125, 92, 0.15); color: var(--green); }
.delta-down { background: rgba(176, 54, 28, 0.12); color: var(--red); }
.delta-flat { background: rgba(20, 22, 30, 0.05); color: var(--muted); }
.delta-note { color: var(--muted); font-size: 0.78rem; }

/* ---------- banner ---------- */

.banner {
  padding: 0.85rem 1.15rem;
  margin: 1.25rem auto;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.92rem;
  max-width: 1120px;
  box-shadow: var(--shadow-sm);
}
.banner-stale { background: #fdecea; color: #7a1d17; border-color: #f5b1a9; }
.banner-stale a { color: #7a1d17; border-bottom-color: currentColor; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.75rem 0 2rem;
  margin-top: 3rem;
}
.site-footer p { margin: 0.25rem 0; color: var(--muted); font-size: 0.87rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--brand); }

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr 1fr; }
  #map, #gov-map { height: 340px; }
  h1 { font-size: 1.5rem; }
  .hero-composite { grid-template-columns: 1fr; text-align: center; }
  .gauge { justify-self: center; }
  main.wrap { padding-top: 1.25rem; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  nav a { padding: 0.35rem 0.55rem; font-size: 0.82rem; }
  .site-header .wrap { gap: 0.5rem; }
}

/* ---------- print (in case anyone tries) ---------- */

@media print {
  .site-header, .site-footer, nav, .map-legend { display: none; }
  body { background: white; }
}