:root {
  --ink: #0f1c24;
  --ink-soft: #3a4f5c;
  --muted: #6b8290;
  --paper: #f3f7f5;
  --panel: rgba(255, 255, 255, 0.78);
  --line: rgba(15, 28, 36, 0.1);
  --accent: #0d8f7a;
  --accent-deep: #066355;
  --accent-soft: #d7f3ec;
  --warn: #b45309;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(15, 28, 36, 0.08);
  --radius: 18px;
  --font: "Outfit", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #c8efe4 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #dce9f5 0%, transparent 50%),
    linear-gradient(180deg, #eef5f2 0%, #f7faf8 40%, #eef2f0 100%);
  line-height: 1.5;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 28, 36, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 28, 36, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  right: -80px;
  bottom: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 143, 122, 0.18), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
  animation: drift 12s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-28px); }
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}

.brand {
  margin-bottom: 2rem;
  animation: rise 0.7s ease both;
}

.brand-mark {
  margin: 0 0 0.5rem;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent-deep);
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  font-weight: 500;
  color: var(--ink-soft);
}

.lede {
  margin: 0.85rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1rem;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem 1.5rem;
  margin-bottom: 1.25rem;
  animation: rise 0.8s ease both;
}

.query-panel {
  animation-delay: 0.08s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

form {
  display: grid;
  gap: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field span {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.field small {
  color: var(--muted);
  font-size: 0.78rem;
}

.field-wide {
  grid-column: 1 / -1;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  padding: 0.78rem 0.9rem;
  font: inherit;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: rgba(13, 143, 122, 0.55);
  box-shadow: 0 0 0 3px rgba(13, 143, 122, 0.15);
}

#address,
#api-key {
  font-family: var(--mono);
  font-size: 0.92rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin-top: 0.25rem;
}

.btn-primary {
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.85rem 1.45rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  box-shadow: 0 10px 24px rgba(13, 143, 122, 0.28);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: wait;
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status.error {
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.results {
  animation: rise 0.55s ease both;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.summary-strip article {
  background: linear-gradient(160deg, #ffffff 0%, #eefaf6 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.05rem 0.95rem;
  box-shadow: var(--shadow);
}

.summary-strip .label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.summary-strip .value {
  margin: 0.25rem 0 0;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.summary-strip .unit {
  margin: 0;
  font-size: 0.78rem;
  color: var(--accent-deep);
  font-weight: 600;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.chart-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  min-height: 180px;
  padding: 0.5rem 0.25rem 0.25rem;
  margin-bottom: 1.1rem;
  overflow-x: auto;
}

.bar-col {
  flex: 1 0 48px;
  min-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.bar {
  width: 100%;
  border-radius: 10px 10px 4px 4px;
  background: linear-gradient(180deg, #1db39a 0%, #0a6f60 100%);
  min-height: 4px;
  transition: height 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.bar span {
  position: absolute;
  top: -1.35rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.bar-label {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: var(--mono);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 0.72rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

td.num,
th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 0.86rem;
}

.mono {
  font-family: var(--mono);
  font-size: 0.8rem;
  word-break: break-all;
}

a {
  color: var(--accent-deep);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}

.empty {
  color: var(--muted);
  padding: 0.8rem 0;
}

@media (max-width: 860px) {
  .field-row,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  .shell {
    padding-top: 2.2rem;
  }
}