:root {
  color-scheme: dark;
  --bg: #07090b;
  --surface: #0d1216;
  --surface-2: #111920;
  --surface-3: #15232b;
  --line: #263941;
  --line-hot: #4f7980;
  --text: #e8f4f0;
  --muted: #8aa09b;
  --faint: #546966;
  --amber: #f4b84a;
  --green: #6ee7a8;
  --cyan: #65d8ff;
  --red: #ff6b6b;
  --violet: #b895ff;
  --shadow: rgba(0, 0, 0, 0.44);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(101, 216, 255, 0.08), transparent 28rem),
    linear-gradient(rgba(244, 184, 74, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 216, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 34px 34px, 34px 34px, auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  line-height: 1.45;
}

.console {
  width: min(1360px, 100%);
  margin: 0 auto;
  padding: clamp(14px, 2vw, 28px);
}

.masthead,
.clock-panel,
.readout-panel,
.strip-panel,
.data-panel,
.block-panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(21, 35, 43, 0.92), rgba(9, 14, 17, 0.95)),
    var(--surface);
  box-shadow: 0 18px 50px var(--shadow);
}

.masthead {
  position: relative;
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: stretch;
  min-height: 184px;
  padding: clamp(16px, 2.7vw, 32px);
  overflow: hidden;
}

.masthead::after {
  content: "";
  position: absolute;
  inset: auto 24px 20px auto;
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.75;
}

.status-rail {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  gap: 8px;
}

.status-rail span {
  border: 1px solid var(--line-hot);
  background: linear-gradient(180deg, rgba(101, 216, 255, 0.28), rgba(110, 231, 168, 0.1));
}

.masthead-copy {
  align-self: center;
}

.kicker,
.panel-title span,
.tag {
  margin: 0;
  color: var(--green);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 16ch;
  margin: 6px 0 12px;
  color: var(--text);
  font-size: clamp(2.5rem, 6.4vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.brief {
  max-width: 74ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.5vw, 1.16rem);
}

.about-masthead h1 {
  max-width: 18ch;
}

.command-chip {
  align-self: start;
  justify-self: end;
  max-width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line-hot);
  color: var(--cyan);
  background: rgba(101, 216, 255, 0.06);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.command-grid,
.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 18px;
  margin-top: 18px;
}

.clock-panel,
.readout-panel,
.strip-panel,
.data-panel,
.block-panel {
  min-width: 0;
  padding: clamp(16px, 2.4vw, 24px);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(79, 121, 128, 0.45);
}

code {
  color: var(--cyan);
  font: inherit;
  overflow-wrap: anywhere;
}

.instrument-wrap {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.ast-clock {
  --day-angle: 0deg;
  --block-angle: 0deg;
  --round-angle: 0deg;
  --slice-angle: 0deg;
  --tick-angle: 0deg;
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1;
  border: 1px solid var(--line-hot);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--surface) 0 21%, transparent 21.5%),
    repeating-conic-gradient(from -90deg, rgba(244, 184, 74, 0.34) 0 1deg, transparent 1deg 36deg),
    repeating-conic-gradient(from -90deg, rgba(101, 216, 255, 0.16) 0 0.5deg, transparent 0.5deg 6deg),
    radial-gradient(circle at center, rgba(101, 216, 255, 0.1), transparent 64%),
    #080c0f;
  box-shadow: inset 0 0 70px rgba(0, 0, 0, 0.68), 0 0 42px rgba(101, 216, 255, 0.12);
}

.clock-scale,
.clock-orbit,
.clock-hand,
.dial-labels,
.dial-label {
  position: absolute;
  pointer-events: none;
}

.outer-scale {
  inset: 7%;
  border: 1px dashed rgba(101, 216, 255, 0.32);
  border-radius: 50%;
}

.inner-scale {
  inset: 24%;
  border: 1px solid rgba(110, 231, 168, 0.22);
  border-radius: 50%;
}

.clock-orbit {
  border: 1px solid rgba(84, 105, 102, 0.8);
  border-radius: 50%;
}

.day-orbit { inset: 10%; }
.block-orbit { inset: 20%; }
.round-orbit { inset: 30%; }
.slice-orbit { inset: 40%; }

.dial-labels {
  inset: 0;
  border-radius: 50%;
}

.dial-label {
  left: var(--label-x);
  top: var(--label-y);
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 1.25rem;
  margin-left: -1.1rem;
  margin-top: -0.625rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1;
  transform: translate(-50%, -50%);
}

.block-labels .dial-label {
  color: var(--amber);
  font-weight: 700;
}

.round-labels .dial-label {
  color: var(--green);
  font-size: 0.68rem;
  opacity: 0.82;
}

.clock-hand {
  left: 50%;
  bottom: 50%;
  width: 3px;
  transform-origin: 50% 100%;
  border-radius: 99px;
}

.day-hand {
  height: 42%;
  background: var(--red);
  transform: translateX(-50%) rotate(var(--day-angle));
}

.block-hand {
  height: 34%;
  background: var(--amber);
  transform: translateX(-50%) rotate(var(--block-angle));
}

.round-hand {
  height: 26%;
  background: var(--green);
  transform: translateX(-50%) rotate(var(--round-angle));
}

.slice-hand {
  height: 18%;
  background: var(--cyan);
  transform: translateX(-50%) rotate(var(--slice-angle));
}

.tick-hand {
  width: 2px;
  height: 12%;
  background: var(--violet);
  transform: translateX(-50%) rotate(var(--tick-angle));
}

.clock-core {
  position: absolute;
  inset: 34%;
  display: grid;
  place-content: center;
  gap: 3px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(13, 18, 22, 0.96);
  box-shadow: 0 0 0 8px rgba(13, 18, 22, 0.55);
}

.clock-core span {
  color: var(--muted);
  font-size: 0.78rem;
}

.clock-core strong {
  color: var(--amber);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
  color: var(--muted);
  font-size: 0.84rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.day-dot { background: var(--red); }
.block-dot { background: var(--amber); }
.round-dot { background: var(--green); }
.slice-dot { background: var(--cyan); }
.tick-dot { background: var(--violet); }

.timestamp {
  display: grid;
  grid-template-columns: 9ch minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px 0;
  border-bottom: 1px solid rgba(79, 121, 128, 0.28);
}

.timestamp strong {
  display: flex;
  gap: 5px;
  min-width: 0;
  color: var(--cyan);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
}

.timestamp b {
  color: var(--faint);
  font-weight: 400;
}

.timestamp em {
  color: var(--muted);
  font-style: normal;
}

.civilian strong {
  color: var(--green);
}

.signal-list,
.calendar-list {
  margin: 16px 0 0;
}

.signal-list div,
.calendar-list div {
  display: grid;
  grid-template-columns: minmax(10ch, 0.75fr) minmax(0, 1.25fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(79, 121, 128, 0.25);
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  color: var(--text);
  text-align: right;
  overflow-wrap: anywhere;
}

.strip-panel,
.block-panel,
.about-panel,
.adjustment-panel {
  margin-top: 18px;
}

.bars {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 74px;
  gap: 12px;
  align-items: center;
}

.bar-row > span,
.bar-row code {
  color: var(--muted);
}

.bar-row > span {
  text-align: right;
}

.bar-track {
  height: 10px;
  overflow: hidden;
  border: 1px solid rgba(79, 121, 128, 0.34);
  background: rgba(7, 9, 11, 0.7);
}

.bar-fill {
  display: block;
  width: 0%;
  height: 100%;
  transition: width 0.2s linear;
}

.tick-fill { background: var(--violet); }
.slice-fill { background: var(--cyan); }
.round-fill { background: var(--green); }
.block-fill { background: var(--amber); }
.day-fill { background: var(--red); }

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.month-cell {
  min-height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(79, 121, 128, 0.28);
  background: rgba(7, 9, 11, 0.38);
  color: var(--text);
  font-size: 0.88rem;
}

.month-cell.header {
  min-height: auto;
  padding: 0 0 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.68rem;
}

.month-cell.today {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(244, 184, 74, 0.14);
  box-shadow: inset 0 0 0 1px rgba(244, 184, 74, 0.18);
}

.month-cell.adjustment {
  grid-column: 1 / -1;
  min-height: 76px;
  color: var(--amber);
  text-align: center;
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.block-card {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(79, 121, 128, 0.32);
  background: rgba(7, 9, 11, 0.42);
}

.block-card.active {
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(244, 184, 74, 0.18), rgba(7, 9, 11, 0.5));
  box-shadow: inset 0 0 0 1px rgba(244, 184, 74, 0.16);
}

.block-card code {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.block-card strong {
  display: block;
  margin: 6px 0 4px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.block-card span,
.block-card p {
  color: var(--muted);
  font-size: 0.82rem;
}

.block-card p {
  margin: 7px 0 0;
}

.unit-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.unit-grid div {
  min-width: 0;
  padding: 12px;
  border-left: 2px solid var(--line-hot);
  background: rgba(7, 9, 11, 0.35);
}

.unit-grid strong,
.unit-grid span {
  display: block;
}

.unit-grid strong {
  color: var(--green);
}

.unit-grid span {
  color: var(--cyan);
  font-size: 0.84rem;
}

.unit-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.copy-bank {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.copy-bank button,
.tool-actions button {
  appearance: none;
  border: 1px solid rgba(79, 121, 128, 0.55);
  background: rgba(101, 216, 255, 0.08);
  color: var(--text);
  font: inherit;
  padding: 8px 10px;
  cursor: pointer;
}

.copy-bank button:hover,
.tool-actions button:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.copy-bank span {
  color: var(--muted);
  font-size: 0.84rem;
}

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

.tool-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
}

.tool-form input {
  width: 100%;
  border: 1px solid rgba(79, 121, 128, 0.55);
  background: rgba(7, 9, 11, 0.7);
  color: var(--text);
  font: inherit;
  padding: 10px 11px;
}

.tool-form input:focus {
  outline: 1px solid var(--cyan);
  border-color: var(--cyan);
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-output {
  margin-top: 16px;
}

.adjustment-grid,
.prose-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.adjustment-grid div,
.reference-table div,
.reference-list div,
.month-name-grid span {
  min-width: 0;
  border: 1px solid rgba(79, 121, 128, 0.32);
  background: rgba(7, 9, 11, 0.38);
}

.adjustment-grid div,
.reference-table div {
  padding: 13px;
}

.adjustment-grid strong,
.adjustment-grid span,
.reference-table strong,
.reference-table span,
.reference-list strong,
.reference-list span {
  display: block;
}

.adjustment-grid strong,
.reference-table strong,
.reference-list strong {
  color: var(--green);
}

.adjustment-grid span,
.reference-table span,
.reference-list span {
  color: var(--cyan);
  font-size: 0.84rem;
}

.adjustment-grid p,
.reference-table p,
.prose-grid p {
  margin: 8px 0 0;
  color: var(--muted);
}

.reference-table {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.reference-table.compact {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.reference-list {
  display: grid;
  gap: 8px;
}

.reference-list div {
  padding: 10px 12px;
}

.month-name-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.month-name-grid span {
  padding: 10px 12px;
  color: var(--text);
}

.rfc-pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid rgba(79, 121, 128, 0.32);
  background: rgba(7, 9, 11, 0.55);
  color: var(--text);
  font: inherit;
  line-height: 1.5;
}

.rfc-pre code {
  color: var(--text);
}

.rfc-page {
  color-scheme: light;
  color: #111;
  background: #d8d8d8;
  font-family: "Courier New", Courier, monospace;
}

.rfc-shell {
  width: min(100%, 86ch);
  margin: 0 auto;
  padding: 32px 12px;
}

.rfc-document {
  min-height: calc(100vh - 64px);
  margin: 0;
  padding: 56px 64px;
  overflow-x: auto;
  border: 1px solid #b8b8b8;
  background: #fff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
  color: #111;
  font: 0.95rem/1.22 "Courier New", Courier, monospace;
  tab-size: 8;
  white-space: pre;
}

.footer {
  padding: 18px;
  color: var(--muted);
  text-align: center;
}

.footer span {
  color: var(--amber);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 10px;
}

.footer-nav a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(101, 216, 255, 0.45);
}

.footer-nav a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@media (max-width: 1040px) {
  .command-grid,
  .split-grid,
  .unit-grid,
  .reference-table,
  .reference-table.compact,
  .month-name-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .console {
    padding: 0;
  }

  .masthead {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .status-rail {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: none;
    height: 8px;
  }

  .command-chip {
    justify-self: stretch;
  }

  .clock-panel,
  .readout-panel,
  .strip-panel,
  .data-panel,
  .block-panel,
  .masthead {
    border-left: 0;
    border-right: 0;
  }

  .timestamp,
  .signal-list div,
  .calendar-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .adjustment-grid,
  .prose-grid {
    grid-template-columns: 1fr;
  }

  .timestamp strong {
    font-size: clamp(2rem, 13vw, 3.2rem);
  }

  dd {
    text-align: left;
  }

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

  .bar-row {
    grid-template-columns: 56px minmax(0, 1fr) 58px;
    gap: 8px;
  }

  .rfc-shell {
    padding: 0;
  }

  .rfc-document {
    min-height: 100vh;
    padding: 24px 16px;
    border: 0;
    box-shadow: none;
    font-size: 0.78rem;
  }
}