/* Basic dark theme mirroring the Flutter app */
:root {
  --bg: #000;
  --fg: #fff;
  --fg-muted: rgba(255,255,255,0.7);
  --fg-dim: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.14);
  --card: rgba(255,255,255,0.03);
  --chip-bg: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
}

.container { margin: 0 16px; padding: 0 16px; }

.appbar {
  background: #000;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}
.appbar-inner { display: flex; align-items: center; gap: 12px; padding: 12px 0; }
.app-title { font-size: 20px; font-weight: 800; margin: 0; letter-spacing: 0.3px; }

.search-form { margin-left: auto; }
.search-form input[type="search"] {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 16px;
  padding: 12px 14px;
  outline: none;
  width: min(380px, 50vw);
}
.search-form input[type="search"]::placeholder { color: rgba(255,255,255,0.54); }
.search-form input[type="search"]:focus { border-color: rgba(255,255,255,0.7); }

.content { padding: 16px 0 32px; }
.footer { padding: 24px 0 48px; color: var(--fg-dim); }

.list { display: grid; gap: 12px; }
.card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 12px 16px;
}
.card:hover { border-color: rgba(255,255,255,0.4); }
.card-body { display: grid; gap: 8px; }
.card-title { font-size: 20px; font-weight: 800; letter-spacing: 0.2px; }
.card-trailing { color: var(--fg-dim); font-size: 28px; padding-left: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { display: inline-flex; align-items: center; border-radius: 18px; padding: 6px 10px; background: var(--chip-bg); border: 1px solid var(--border); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: 0.3px; }
.chip-category { border-color: color-mix(in srgb, var(--chip-color) 60%, transparent); background: color-mix(in srgb, var(--chip-color) 15%, transparent); color: var(--chip-color); }
.chip-large { padding: 6px 12px; font-size: 14px; }

.empty { display: grid; place-items: center; min-height: 40vh; color: var(--fg-muted); }

.row { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; margin-bottom: 16px; }
.section-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 14px 16px 16px; margin: 8px 0; }
.section-title { margin: 0 0 10px 0; font-weight: 800; font-size: 16px; }

.chart-wrap { position: relative; width: 100%; max-width: 500px; height: 500px; }

.breadcrumbs { margin-bottom: 12px; }
.breadcrumbs a { color: var(--fg); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }

/* Hero section styles */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  min-height: 64vh;
  padding: 8px 0 24px;
}
.hero-copy { display: grid; gap: 10px; }
.eyebrow { color: var(--fg-dim); font-weight: 700; margin: 0; letter-spacing: 0.2px; }
.hero-title {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: 0.2px;
}
.hero-subtitle { margin: 0; color: var(--fg-muted); font-size: clamp(14px, 2.5vw, 18px); }
.hero-art { display: grid; place-items: center; }
.hero-graphic { width: 100%; max-width: 520px; height: auto; filter: drop-shadow(0 12px 48px rgba(0,0,0,0.5)); opacity: 0.95; }

.cta-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }

/* Button styles used for primary actions on the homepage */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.3px;
}
.btn:hover { border-color: rgba(255,255,255,0.35); }
.btn-large { padding: 14px 18px; font-size: 16px; }
.btn-primary { background: linear-gradient(100deg, #3BA4FF 0%, #39D353 100%); color: #000; border-color: transparent; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.5); }

/* Form styles for THC calculator */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 700; font-size: 13px; color: var(--fg-muted); }
.field input, .field select {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 14px;
  padding: 12px 12px;
  outline: none;
  width: 100%;
}
.field input::placeholder { color: rgba(255,255,255,0.45); }
.field input:focus, .field select:focus { border-color: rgba(255,255,255,0.7); }

/* Result status visuals */
.result-display { background: linear-gradient(135deg, rgba(57,211,83,0.35), rgba(57,211,83,0.12)); border: 1px solid rgba(57,211,83,0.45); }
.caution-display { background: linear-gradient(135deg, rgba(234,179,8,0.35), rgba(234,179,8,0.12)); border: 1px solid rgba(234,179,8,0.45); }
.warning-display { background: linear-gradient(135deg, rgba(239,68,68,0.4), rgba(239,68,68,0.15)); border: 1px solid rgba(239,68,68,0.55); }

.status-card { border-radius: 18px; padding: 16px; }
.text-muted { color: var(--fg-dim); }
.helper-text { color: var(--fg-muted); margin: 0 0 8px 0; }

/* Meter (threshold visualization) */
.meter { position: relative; height: 12px; border-radius: 999px; background: rgba(255,255,255,0.12); overflow: hidden; }
.meter-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0%; background: linear-gradient(90deg, #3BA4FF, #39D353); }
.meter-mark { position: absolute; top: 0; bottom: 0; width: 2px; background: #eab308; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-art { order: 10; }
  .cta-buttons { justify-content: center; }
}

@media (max-width: 640px) {
  .appbar-inner { flex-wrap: wrap; }
  .search-form { width: 100%; order: 10; }
  .search-form input[type="search"] { width: 100%; }
  .row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}