:root {
  color-scheme: light;
  --bg: #eef5f1;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --text: #113322;
  --muted: #5d7368;
  --border: rgba(14, 50, 35, 0.1);
  --primary: #0f9b6f;
  --primary-dark: #09704f;
  --secondary: #dff4ec;
  --shadow: 0 18px 50px rgba(8, 44, 30, 0.12);
  --radius: 24px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 155, 111, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(45, 212, 191, 0.08), transparent 22%),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  width: min(1440px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 32px;
}

.single-column {
  grid-template-columns: 1fr;
}

.wide-content {
  width: 100%;
}

.card {
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero,
.sidebar,
.topbar,
.panel,
.roadmap-card {
  padding: 24px;
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.hero-title,
.topbar h2,
.sidebar h1,
.page-title {
  margin: 0;
  line-height: 1.08;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.8rem);
  max-width: 16ch;
}

.hero-subtitle,
.muted,
.feature-card p,
.tree,
.notice,
.rules-list,
.badge,
.nav-item,
.field-label {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 20px;
}

.dashboard-grid {
  grid-template-columns: 2fr 1fr;
  margin-bottom: 20px;
}

.moderation-grid {
  grid-template-columns: 2fr 1fr;
}

.sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  min-height: calc(100vh - 36px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-list,
.stack {
  display: grid;
  gap: 12px;
}

.nav-item,
.button,
.action-card {
  border-radius: 999px;
}

.nav-item {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid transparent;
}

.nav-item.active {
  background: #e7f7f0;
  color: var(--primary-dark);
  border-color: rgba(15, 155, 111, 0.2);
  font-weight: 700;
}

.button {
  appearance: none;
  border: 0;
  padding: 12px 18px;
  background: #d9efe7;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.button:hover,
.action-card:hover,
.nav-item:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.button.secondary {
  background: white;
  border: 1px solid var(--border);
}

.button.small {
  padding: 10px 14px;
  font-size: 0.92rem;
}

.button.full-width {
  width: 100%;
}

.button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.content {
  display: grid;
  gap: 20px;
  align-content: start;
}

.topbar,
.section-head,
.split,
.topbar-actions,
.button-row,
.feature-card,
.action-grid,
.split-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-actions,
.button-row {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.section-head {
  margin-bottom: 16px;
}

.section-head h3,
.feature-card h2,
.page-title,
.sidebar h1,
.topbar h2,
.hero-title {
  letter-spacing: -0.03em;
}

.eyebrow,
.feature-kicker,
.section-label,
.stat-label,
.field-label {
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.72rem;
  font-weight: 800;
}

.stat-value {
  font-size: clamp(1.8rem, 2vw, 2.5rem);
  font-weight: 900;
  margin-top: 12px;
}

.stat-help {
  color: var(--muted);
  margin-top: 8px;
}

.badge,
.badge.neutral {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.badge.neutral {
  background: #f4faf7;
}

.notice {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.76);
  padding: 14px 16px;
}

.notice.soft {
  background: #f7fcfa;
}

.notice.error {
  background: #fff1f2;
  color: #9f1239;
}

.feature-card {
  flex-direction: column;
  align-items: start;
  justify-content: start;
}

.feature-card h2 {
  margin: 0;
}

.roadmap-card {
  overflow: hidden;
}

.tree {
  white-space: pre-wrap;
  margin: 0;
  line-height: 1.8;
  background: rgba(255, 255, 255, 0.64);
  border-radius: 20px;
  padding: 18px 20px;
  border: 1px solid var(--border);
}

.card.panel {
  padding: 22px;
}

.chart {
  min-height: 260px;
  border-radius: 22px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(15, 155, 111, 0.09), rgba(255, 255, 255, 0.6)),
    repeating-linear-gradient(
      90deg,
      rgba(15, 155, 111, 0.07) 0,
      rgba(15, 155, 111, 0.07) 1px,
      transparent 1px,
      transparent 72px
    );
  display: flex;
  align-items: flex-end;
  gap: 18px;
}

.chart-bar {
  flex: 1;
  display: grid;
  gap: 10px;
  align-items: end;
  justify-items: center;
}

.chart-column {
  width: 100%;
  min-height: 140px;
  border-radius: 18px 18px 8px 8px;
  background: linear-gradient(180deg, rgba(15, 155, 111, 0.95), rgba(15, 155, 111, 0.35));
}

.chart-column.secondary {
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.95), rgba(59, 130, 246, 0.3));
}

.chart-label {
  font-size: 0.88rem;
  color: var(--muted);
}

.action-grid {
  align-items: stretch;
  justify-content: start;
  flex-wrap: wrap;
}

.action-card {
  min-width: 220px;
  padding: 18px 20px;
  background: #f8fcfa;
  border: 1px solid var(--border);
  display: grid;
  gap: 6px;
}

.action-card span {
  color: var(--muted);
}

.rules-list {
  padding-left: 20px;
  line-height: 1.7;
}

.field,
.sidebar-footer,
.form-panel,
.map-panel,
.map-preview {
  display: grid;
  gap: 12px;
}

.input {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 18px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  outline: none;
}

.textarea {
  resize: vertical;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.split-layout {
  align-items: start;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
}

.map-preview {
  min-height: 420px;
  border-radius: 24px;
  border: 1px dashed rgba(15, 155, 111, 0.28);
  background:
    radial-gradient(circle at 20% 22%, rgba(15, 155, 111, 0.16), transparent 18%),
    radial-gradient(circle at 75% 65%, rgba(59, 130, 246, 0.12), transparent 20%),
    linear-gradient(180deg, #fefefe, #eef8f3);
}

.muted {
  margin: 0;
}

.grid.metrics-grid .card {
  min-height: 142px;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
  }

  .grid-3,
  .metrics-grid,
  .dashboard-grid,
  .moderation-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 720px) {
  .shell,
  .app-shell {
    width: min(100% - 16px, 100%);
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-head,
  .split {
    flex-direction: column;
    align-items: start;
  }

  .chart {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ── Metrics grid ── */
.metrics-grid {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

/* ── Tab buttons ── */
.button.active {
  background: var(--primary);
  color: #fff;
}

/* ── Map preview ── */
.map-preview {
  min-height: 200px;
  background: var(--secondary);
  border-radius: 16px;
  overflow: hidden;
}

/* ── AI result ── */
#aiResult h4 { color: var(--primary-dark); }
#aiResult ul  { padding-left: 20px; }

/* ── Status message ── */
#statusMsg {
  transition: opacity .3s;
}

/* ── Split layout ── */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 860px) {
  .split-layout { grid-template-columns: 1fr; }
}

/* ── Form panel ── */
.form-panel .field { display: flex; flex-direction: column; gap: 4px; }
.form-panel .textarea { resize: vertical; min-height: 120px; }

/* ── Two col ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Wide content ── */
.wide-content { max-width: 100%; }
.single-column { grid-template-columns: 280px 1fr; }

/* ── Rules list ── */
.rules-list { padding-left: 20px; line-height: 1.8; color: var(--muted); }