:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #627386;
  --line: #c9d3df;
  --panel: #f6f8fa;
  --button: #243447;
  --button-hover: #344b63;
  --focus: #0b6bcb;
  --shadow: 0 16px 34px rgba(31, 41, 51, 0.16);
}

* {
  box-sizing: border-box;
}

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

body {
  background: #000000;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
}

.app-shell {
  height: 100vh;
  height: 100dvh;
  display: grid;
  grid-template-columns: minmax(300px, 25vw) minmax(0, 1fr);
  overflow: hidden;
}

.stage {
  grid-column: 2;
  grid-row: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
  background: #000000;
}

.stage::before {
  content: "";
  position: absolute;
  inset: 3%;
  background-image: url("Rings/ChatGPT Image May 6, 2026, 04_53_52 PM bronze source centered.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
}

#ringsCanvas {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
}

.stage-legal-links {
  position: absolute;
  z-index: 2;
  left: 30px;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: min(92%, 430px);
  color: #7d8792;
  font-size: 0.78rem;
}

.stage-legal-links a {
  color: #7d8792;
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 135, 146, 0.45);
}

.stage-legal-links a:hover {
  color: #aeb7c2;
  border-bottom-color: #aeb7c2;
}

.stage-version {
  display: none;
}

.controls {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  border-right: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
  overflow-y: auto;
}

.controls-menu {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
}

.menu-toggle {
  width: 44px;
  min-height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.menu-toggle span {
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
}

.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: min(260px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: 6px;
}

.menu-panel a {
  display: block;
  min-height: 42px;
  border-radius: 4px;
  padding: 10px 12px;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.menu-panel a:hover,
.menu-panel a:focus-visible {
  background: #eef3f8;
  outline: 0;
}

.date-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

label {
  font-size: 0.95rem;
  font-weight: 650;
}

input,
select,
button {
  font: inherit;
}

input[type="range"] {
  width: 100%;
}

input[type="datetime-local"] {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 9px;
  background: #ffffff;
  color: var(--ink);
}

.date-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 9px;
  background: #ffffff;
  color: var(--ink);
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  padding: 8px 10px;
  color: #ffffff;
  background: var(--button);
  cursor: pointer;
  white-space: nowrap;
}

button:hover {
  background: var(--button-hover);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus), transparent 68%);
  outline-offset: 2px;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 10px;
}

.step-now {
  grid-column: 1 / -1;
}

.step-plus {
  grid-column: 1;
}

.step-minus {
  grid-column: 2;
}

.readout {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  color: var(--muted);
  font-size: 0.85rem;
}

.readout div {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 7px;
  background: #ffffff;
}

.readout strong {
  display: block;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: capitalize;
}

@media (max-width: 820px), (pointer: coarse) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .stage {
    grid-column: 1;
    grid-row: 1;
  }

  .controls {
    grid-column: 1;
    grid-row: 2;
    border-right: 0;
    border-top: 1px solid var(--line);
    max-height: 42vh;
  }

  .stage-legal-links {
    left: 16px;
    right: 16px;
    bottom: 12px;
    width: auto;
  }

  .date-row {
    grid-template-columns: 1fr;
  }

  .date-fields {
    grid-template-columns: 1fr;
  }

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

  .step-now {
    grid-column: 1 / -1;
  }

  .step-plus {
    grid-column: 1;
  }

  .step-minus {
    grid-column: 2;
  }

  .step-hour {
    grid-row: 2;
  }

  .step-day {
    grid-row: 3;
  }

  .step-week {
    grid-row: 4;
  }

  .step-month {
    grid-row: 5;
  }

  .step-year {
    grid-row: 6;
  }

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

@media (max-width: 420px) {
  .button-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .readout {
    grid-template-columns: 1fr;
  }
}