:root {
  --bg: #f4f7fb;
  --bg-grad-a: rgba(14, 165, 233, 0.12);
  --bg-grad-b: rgba(34, 197, 94, 0.1);
  --card: #ffffff;
  --card-subtle: #f8fbff;
  --muted: #516173;
  --accent: #0369a1;
  --accent-2: #16a34a;
  --border: #d7e2ee;
  --text: #102030;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(16, 32, 48, 0.1);
  --chart-text: #102030;
  --chart-ticks: #516173;
  --chart-grid: rgba(16, 32, 48, 0.12);
}

:root[data-theme="dark"] {
  --bg: #0c0f17;
  --bg-grad-a: rgba(14, 165, 233, 0.17);
  --bg-grad-b: rgba(22, 163, 74, 0.14);
  --card: #151a27;
  --card-subtle: #111625;
  --muted: #97a8bb;
  --accent: #7dd3fc;
  --accent-2: #34d399;
  --border: #243247;
  --text: #e3edf7;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --chart-text: #dce8f4;
  --chart-ticks: #94a8bd;
  --chart-grid: rgba(226, 232, 240, 0.12);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, var(--bg-grad-a), transparent 35%),
    radial-gradient(circle at 80% 0%, var(--bg-grad-b), transparent 32%), var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  padding: 24px;
}

.grid-background {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(color-mix(in oklab, var(--border) 45%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--border) 45%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.45;
  pointer-events: none;
}

.app-shell {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  z-index: 1;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.hero-copy {
  min-width: 0;
}

.brand-icon {
  height: clamp(44px, 6vw, 72px);
  width: auto;
  flex: 0 0 auto;
}

h1 {
  margin: 0 0 8px;
  font-size: 40px;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 12px;
  font-size: 24px;
  letter-spacing: -0.01em;
}

h3 {
  margin: 0;
  font-size: 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 4px;
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.greeting {
  margin: 10px 0 0;
  color: var(--accent);
  font-weight: 700;
}

.panel {
  background: color-mix(in oklab, var(--card) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel-sub {
  background: var(--card-subtle);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.viz-head {
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 16px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chart-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chart-card {
  position: relative;
  isolation: isolate;
  background: var(--card-subtle);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 4px);
  padding: 16px;
  min-height: 300px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.captcha-panel {
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: color-mix(in oklab, var(--card-subtle) 88%, transparent);
}

.captcha-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.captcha-question {
  display: inline-block;
  font-weight: 700;
  color: var(--accent);
}

.honeypot-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.auth-mode-switch {
  display: inline-flex;
  gap: 6px;
  margin-bottom: 14px;
  padding: 0;
}

.auth-mode-btn {
  border-radius: 999px;
  padding: 8px 14px;
}

.auth-mode-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

input {
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 22%, transparent);
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.primary-btn,
.ghost-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.1s ease, filter 0.2s ease;
}

.primary-btn {
  color: #f8fbff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.ghost-sm {
  padding: 8px 12px;
  font-size: 14px;
}

.link-btn {
  border: none;
  background: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font-weight: 700;
  text-align: left;
}

.link-btn:hover {
  text-decoration: underline;
}

.view-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.language-switch {
  display: inline-flex;
  gap: 4px;
}

.language-switch .ghost-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.icon-btn {
  min-width: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  font-size: 18px;
  line-height: 1;
}

.panel .hint {
  color: var(--muted);
  margin: 6px 0 0;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  color: var(--text);
  transition: border 0.15s ease, color 0.15s ease;
}

.pill.active {
  border-color: var(--accent);
  color: var(--accent);
}

.upload-form {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.year-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.year-tab {
  min-width: 72px;
  text-align: center;
}

.year-stats-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hidden {
  display: none !important;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 16, 26, 0.6);
  z-index: 3000;
}

.modal-panel {
  width: min(520px, 100%);
  background: var(--card-subtle);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  box-shadow: var(--shadow);
  padding: 16px;
}

.close-modal-btn {
  min-width: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.filter-control {
  position: relative;
  display: grid;
  gap: 6px;
  font-weight: 700;
  color: var(--muted);
  min-width: 260px;
  z-index: 3;
}

.filter-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-menu-btn {
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.filter-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 8px;
  z-index: 1200;
  box-shadow: var(--shadow);
}

.filter-option {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.filter-option:hover {
  background: color-mix(in oklab, var(--accent) 14%, transparent);
}

.filter-option input {
  margin: 0;
  width: 16px;
  height: 16px;
}

.viz-body {
  position: relative;
  min-height: 320px;
  z-index: 1;
}

.viz-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.viz-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 12px;
}

.viz-item h4 {
  margin: 0 0 10px;
  font-size: 15px;
}

.viz-canvas-wrap {
  position: relative;
  height: 280px;
}

.viz-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

.viz-map {
  height: 320px;
  border-radius: 10px;
  overflow: hidden;
}

#viz-empty {
  min-height: 120px;
  display: grid;
  place-items: center;
  text-align: center;
}

.metadata-card {
  background: var(--card-subtle);
  border: 1px solid var(--border);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 16px;
  color: var(--text);
}

.meta-label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 12px;
  color: var(--muted);
}

.meta-value {
  font-weight: 700;
}

.leaflet-container {
  background: var(--card-subtle);
}

@media (max-width: 1000px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-brand {
    align-items: flex-start;
  }

  .view-controls {
    justify-content: flex-start;
  }

  .filter-control {
    min-width: 220px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 14px;
  }

  .auth-mode-switch {
    width: 100%;
    justify-content: space-between;
  }

  .auth-mode-btn {
    flex: 1 1 0;
    text-align: center;
  }

  h1 {
    font-size: 32px;
  }

  .panel,
  .panel-sub,
  .chart-card {
    padding: 14px;
  }

  .viz-canvas-wrap {
    height: 240px;
  }

  .viz-map {
    height: 260px;
  }

  .hero-brand {
    gap: 10px;
  }

  .brand-icon {
    height: clamp(44px, 16vw, 60px);
  }
}