/* ========================= */
/* Theme variables (tweak me)*/
/* ========================= */
:root{
  --bg: #ffffff;
  --text: #1B1B1B;
  --muted: #5a6b7b;

  --accent: #5A2D82;      /* Core Purple */
  --accent-2: #007E7E;    /* Teal */
  --highlight: #E57200;   /* Bright Orange */

  --surface: #F5F5F5;     /* Light Grey */
  --surface-2: #F1F0F7;   /* Soft purple tint */
  --border: #E1E5EA;
  --focus: #002E5D;       /* Dark Navy */
}

/* Base */
*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: "Nunito Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container{
  width: min(1100px, 100% - 2rem);
  margin: 0 auto;
}

/* Header & footer */
.site-header{
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  padding: 2.25rem 0 1.75rem;
}
.site-title{
  margin: 0 0 .25rem 0;
  font-weight: 800;
  letter-spacing: .2px;
}
.tagline{ margin: 0; opacity: .9; }

.site-footer{
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  margin-top: 3rem;
  font-size: .95rem;
}

/* Sections */
.section-title{
  margin: 2rem 0 1rem;
  font-size: 1.35rem;
  font-weight: 800;
}

/* Stats */
.stat-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.stat-card{
  border: 1px solid var(--border);
  background: #fff;
  border-radius: .9rem;
  padding: 1rem 1.1rem;
}
.stat-value{ font-size: 1.6rem; font-weight: 800; }
.stat-label{ color: var(--muted); margin-top: .25rem; }

/* Collapsible lists root */
.stacked-root{ margin-top: .5rem; }
.loading, .error{
  border: 1px dashed var(--border);
  background: var(--surface);
  color: var(--muted);
  padding: 1rem;
  border-radius: .75rem;
}

/* Nation level */
.nation-details{
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: .9rem;
  margin: .75rem 0 1rem;
  overflow: clip;
}
.nation-summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .9rem 1rem;
  font-weight: 800;
  color: #fff;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 85%, #0000) 0%, color-mix(in srgb, var(--accent-2) 85%, #0000) 100%);
}
.nation-summary::-webkit-details-marker{ display: none; }
.nation-details[open] .nation-summary{
  box-shadow: inset 0 -1px 0 0 color-mix(in srgb, #ffffff 30%, var(--accent));
}

.region-list{
  margin: 0;
  padding: .75rem 1rem 1rem;
  list-style: none;
  display: grid;
  gap: .5rem;
}

/* Region level */
.region-item{
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: #fff;
}
.region-summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .8rem 1rem;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, #fff);
  border-bottom: 1px solid transparent;
}
.region-summary::-webkit-details-marker{ display: none; }
.region-details[open] .region-summary{
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 10%, #fff);
}

/* Count badges */
.count-badge{
  display: inline-block;
  font-size: .85rem;
  background: color-mix(in srgb, var(--highlight) 12%, #fff);
  color: var(--highlight);
  padding: .15rem .5rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--highlight) 20%, transparent);
}
.count-badge.regions{
  background: color-mix(in srgb, var(--accent-2) 12%, #fff);
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 20%, transparent);
}

/* Districts */
.district-list{
  margin: 0;
  padding: .6rem 1rem 1rem;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .4rem .75rem;
  background: #fff;
}
.district-item{
  border: 1px solid var(--border);
  border-radius: .6rem;
  padding: .5rem .6rem;
  background: #fff;
  font-weight: 600;
}

/* Accessibility */
summary:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: .5rem;
}