:root {
  color-scheme: dark;
  --bg: #090b0f;
  --ink: #d5dde6;
  --muted: #7f8b97;
  --line: #27313b;
  --line-strong: #3a4a59;
  --panel: #0f1318;
  --panel-soft: #12171d;
  --accent: #e33821;
  --accent-2: #9bb8cf;
  --accent-3: #e33821;
  --accent-strong: #c8d8e6;
  --grid: rgba(127, 139, 151, 0.22);
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  overflow: hidden;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(213, 221, 230, 0.06) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 4px;
  color: var(--ink);
  overflow: hidden;
}

button,
input {
  font: inherit;
}

.app {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
  gap: 12px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px;
}

.chart-area,
.controls {
  background: rgba(18, 23, 29, 0.94);
  border: 1px solid var(--line);
  border-radius: 0;
}

.chart-area {
    min-width: 0;
  padding: 12px;
}

.chart-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--accent-strong);
}

h2 {
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h3 {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0;
  margin: 2px 0 0;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--muted);
  margin-bottom: 4px;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

button {
  min-height: 26px;
  border: 1px solid rgba(39, 49, 59, 0.72);
  border-radius: 0;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0 8px;
  text-transform: uppercase;
  white-space: nowrap;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

button:focus-visible,
input:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.chart-wrap {
  position: relative;
  width: 100%;
  height: 300px;
  margin-top: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

#projectionChart {
  display: block;
  width: 100%;
  height: 100%;
}

.threshold-clock {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  margin-top: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 8px 10px;
}

.threshold-clock__label {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.threshold-clock__value {
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  font-weight: 600;
  line-height: 1.25;
  text-align: right;
}

.tooltip {
  position: absolute;
  z-index: 2;
  min-width: 180px;
  pointer-events: none;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: rgba(15, 19, 24, 0.98);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.86rem;
  padding: 10px;
}

.tooltip strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.tooltip span {
  display: block;
  color: var(--muted);
}

.controls label span {
  display: block;
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.controls {
    align-self: start;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px 10px;
  padding: 10px;
}

.controls label {
    display: grid;
  gap: 3px;
  min-width: 0;
  margin-top: 0;
}

.controls input[type="number"] {
    width: 100%;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  padding: 3px 6px;
  font-size: 0.82rem;
}

.controls input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.controls output {
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
}

.share-control output {
  text-align: center;
}

.controls h2,
.controls h3 {
  grid-column: 1 / -1;
}

.anchor-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(4.75rem, 1fr));
  gap: 8px 10px;
}

@media (max-width: 760px) {
    .app {
        grid-template-columns: 1fr;
    padding: 8px;
  }

  .chart-wrap {
    height: 290px;
  }
}

@media (max-width: 520px) {
  .chart-header {
    align-items: stretch;
    flex-direction: column;
  }

  .threshold-clock {
    align-items: start;
    flex-direction: column;
    gap: 4px;
  }

  .threshold-clock__value {
    text-align: left;
    white-space: normal;
  }

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

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

  .app {
    padding: 6px;
  }

  .chart-area,
  .controls {
    padding: 10px;
  }

}