:root {
  --fog: #e8eeef;
  --paper: #f8fbfa;
  --ink: #14272c;
  --deep: #19353d;
  --deep-soft: #254750;
  --signal: #009fb4;
  --signal-soft: #c8edf0;
  --amber: #e3972f;
  --danger: #ba4a43;
  --line: #b9c8ca;
  --muted: #64777b;
  --white: #ffffff;
  --shadow: 0 18px 60px rgba(15, 45, 53, 0.12);
  font-family: 'Avenir Next', Avenir, 'Segoe UI', system-ui, sans-serif;
  color: var(--ink);
  background: var(--fog);
}

* {
  box-sizing: border-box;
}

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

body {
  background: linear-gradient(rgba(20, 39, 44, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 39, 44, 0.035) 1px, transparent 1px),
    var(--fog);
  background-size: 24px 24px;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--deep);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(280px, 22vw) 1fr;
}

.gate {
  position: sticky;
  top: 0;
  min-height: 100vh;
  padding: 28px clamp(24px, 3vw, 44px);
  display: flex;
  flex-direction: column;
  color: var(--white);
  background: var(--deep);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 3px;
}

.brand-mark i {
  display: block;
  background: var(--signal);
}

.brand-mark i:nth-child(1) {
  height: 42%;
}
.brand-mark i:nth-child(2) {
  height: 100%;
}
.brand-mark i:nth-child(3) {
  height: 68%;
}

.brand-name {
  font-weight: 700;
}

.brand-version {
  margin-left: auto;
  padding: 3px 7px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  font: 600 11px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.12em;
}

.gate-copy {
  margin: clamp(56px, 11vh, 104px) 0 32px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--signal);
  font: 700 11px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.gate-copy h1 {
  margin: 0;
  font-family: 'Avenir Next Condensed', 'Arial Narrow', 'Segoe UI', sans-serif;
  font-size: clamp(42px, 5.4vw, 70px);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.045em;
}

.gate-copy > p:last-child {
  max-width: 27ch;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  line-height: 1.7;
}

.connection-state {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font: 650 12px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.signal {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(227, 151, 47, 0.16);
}

.connection-state[data-state='connected'] .signal {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(0, 159, 180, 0.18);
}

.connection-state[data-state='error'] .signal {
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(186, 74, 67, 0.18);
}

.credential-form {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.credential-form label {
  color: rgba(255, 255, 255, 0.62);
  font: 700 10px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.credential-form input {
  width: 100%;
  padding: 11px 12px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.055);
  font: 500 13px/1.3 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.credential-form input::placeholder {
  color: rgba(255, 255, 255, 0.32);
}

.primary-button,
.quiet-button,
.danger-button,
.refresh-button,
.action-button {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 700;
}

.primary-button {
  margin-top: 4px;
  color: var(--deep);
  background: var(--signal);
}

.quiet-button {
  color: inherit;
  border-color: currentColor;
  background: transparent;
}

.danger-button {
  color: var(--white);
  background: var(--danger);
}

.privacy-note {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  line-height: 1.5;
}

.section-nav {
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.section-nav button {
  width: 100%;
  padding: 14px 0;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.6);
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  text-align: left;
}

.section-nav button[aria-current='page'] {
  color: var(--white);
}

.section-nav button[aria-current='page'] span::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 3px;
  margin: 0 10px 3px 0;
  background: var(--signal);
}

.section-nav kbd {
  color: inherit;
  font: 600 10px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.gate-footer {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.38);
  font: 600 9px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace {
  min-width: 0;
  padding: clamp(28px, 5vw, 72px);
}

.masthead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.masthead h2 {
  margin: 0;
  font-family: 'Avenir Next Condensed', 'Arial Narrow', 'Segoe UI', sans-serif;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.masthead > div > p:last-child {
  max-width: 65ch;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.masthead-actions {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.refresh-button {
  flex: 0 0 auto;
  color: var(--deep);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.5);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
  min-height: 620px;
  border: 1px solid var(--line);
  background: rgba(248, 251, 250, 0.82);
  box-shadow: var(--shadow);
}

.ledger,
.detail {
  min-width: 0;
  padding: clamp(20px, 3vw, 34px);
}

.ledger {
  border-right: 1px solid var(--line);
}

.detail {
  background: rgba(255, 255, 255, 0.46);
}

.welcome-state,
.detail-empty,
.empty-state,
.loading-state,
.error-state {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.welcome-index {
  color: var(--signal);
  font: 800 clamp(46px, 8vw, 100px) / 0.85 'Avenir Next Condensed',
    'Arial Narrow', sans-serif;
  letter-spacing: -0.05em;
}

.welcome-state p {
  margin: 28px 0;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.welcome-rule {
  width: 180px;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 5px;
}

.welcome-rule i {
  height: 4px;
  background: var(--line);
}

.welcome-rule i:nth-child(2) {
  background: var(--signal);
}

.detail-glyph {
  color: var(--signal);
  font-size: 54px;
}

.detail-empty p,
.empty-state p,
.error-state p {
  max-width: 30ch;
  color: var(--muted);
  line-height: 1.6;
}

.list-header {
  margin-bottom: 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
}

.list-header strong {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.list-header span {
  color: var(--muted);
  font: 600 11px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.record-list {
  display: grid;
  gap: 0;
}

.record {
  width: 100%;
  padding: 18px 4px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
}

.record:hover,
.record[aria-current='true'] {
  background: linear-gradient(90deg, var(--signal-soft), transparent 74%);
}

.record-title {
  display: block;
  overflow: hidden;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-meta {
  margin-top: 7px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
  color: var(--muted);
  font: 550 11px/1.4 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.record-side {
  display: grid;
  justify-items: end;
  align-content: center;
  gap: 7px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 750 10px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

.status[data-tone='waiting']::before {
  background: var(--amber);
}
.status[data-tone='failed']::before {
  background: var(--danger);
}
.status[data-tone='quiet']::before {
  background: var(--line);
}

.record-time {
  color: var(--muted);
  font: 500 10px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.detail-header {
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ink);
}

.detail-header h3 {
  margin: 5px 0 8px;
  font-family: 'Avenir Next Condensed', 'Arial Narrow', sans-serif;
  font-size: 30px;
  font-weight: 650;
  line-height: 1;
  overflow-wrap: anywhere;
}

.detail-header code,
.fact dd,
.event-sequence {
  font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.detail-header code {
  color: var(--muted);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.facts {
  margin: 22px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.fact {
  min-width: 0;
  margin: 0;
  padding-left: 10px;
  border-left: 3px solid var(--line);
}

.fact dt {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact dd {
  margin: 5px 0 0;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.action-button {
  color: var(--deep);
  border-color: var(--deep);
  background: transparent;
}

.action-button[data-kind='danger'] {
  color: var(--danger);
  border-color: var(--danger);
}

.run-log {
  margin: 28px 0;
  border: 1px solid var(--line);
  background: var(--deep);
  color: var(--white);
}

.run-log-header {
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font: 650 10px/1.3 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.run-log-header span,
.run-log-meta,
.run-log-placeholder {
  color: rgba(255, 255, 255, 0.62);
}

.run-log-meta,
.run-log-placeholder {
  margin: 0;
  padding: 11px 12px;
  font-size: 10px;
  line-height: 1.5;
}

.run-log-content {
  max-height: 320px;
  margin: 0;
  padding: 14px 12px 18px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 500 11px/1.55 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  tab-size: 2;
}

.run-log[data-state='pending'],
.run-log[data-state='not_started'] {
  border-left: 4px solid var(--amber);
}

.run-log[data-state='retired'],
.run-log[data-state='not_found'],
.run-log[data-state='unavailable'] {
  border-left: 4px solid var(--line);
}

.timeline-heading {
  margin: 30px 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.event-spine {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.event-spine::before {
  content: '';
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 16px;
  width: 2px;
  background: var(--line);
}

.event {
  position: relative;
  min-height: 50px;
  padding: 0 0 18px 46px;
}

.event-sequence {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 34px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--deep);
  border: 2px solid var(--signal);
  background: var(--paper);
  font-size: 10px;
  font-weight: 800;
}

.event strong {
  display: block;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.event span:last-child {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font: 500 10px/1.3 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.confirmation-dialog {
  width: min(460px, calc(100vw - 32px));
  padding: 0;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.task-editor-dialog,
.presence-dialog {
  padding: 0;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.task-editor-dialog {
  width: min(720px, calc(100vw - 32px));
}

.presence-dialog {
  width: min(520px, calc(100vw - 32px));
}

.task-editor-dialog::backdrop,
.presence-dialog::backdrop {
  background: rgba(11, 31, 36, 0.76);
}

.task-editor-dialog form,
.presence-dialog form {
  padding: clamp(22px, 4vw, 34px);
}

.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.task-editor-dialog h2,
.presence-dialog h2 {
  margin: 0;
  font-family: 'Avenir Next Condensed', 'Arial Narrow', sans-serif;
  font-size: 34px;
  line-height: 1;
}

.editor-intro,
.presence-dialog form > p:not(.eyebrow),
.editor-note,
.presence-expiry {
  color: var(--muted);
  line-height: 1.6;
}

.editor-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.editor-grid label,
.presence-input {
  display: grid;
  gap: 7px;
}

.editor-grid label > span,
.presence-input > span {
  color: var(--muted);
  font: 700 10px/1.2 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.editor-grid input:not([type='checkbox']),
.editor-grid textarea,
.presence-input input {
  width: 100%;
  padding: 11px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
  font: 500 13px/1.45 ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

.editor-grid textarea {
  resize: vertical;
}

.editor-grid input[readonly] {
  color: var(--muted);
  border-left: 4px solid var(--signal);
  background: var(--fog);
}

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

.editor-check {
  grid-column: 1 / -1;
  grid-template-columns: auto 1fr;
  align-items: center;
  justify-content: start;
}

.editor-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--signal);
}

.editor-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--amber);
  font-size: 11px;
}

.proof-ticket {
  position: relative;
  margin: 22px 0;
  padding: 18px 16px 18px 22px;
  display: block;
  color: var(--white);
  border-left: 6px solid var(--signal);
  background: var(--deep);
  font: 650 12px/1.5 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  overflow-wrap: anywhere;
}

.proof-ticket::after {
  content: 'HOST FILE';
  position: absolute;
  top: 8px;
  right: 10px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.presence-expiry {
  margin-bottom: 0;
  font-size: 11px;
}

.presence-error {
  margin: 14px 0 0;
  padding: 10px 12px;
  color: var(--danger);
  border-left: 3px solid var(--danger);
  background: rgba(186, 74, 67, 0.08);
  font-size: 12px;
  line-height: 1.5;
}

.confirmation-dialog::backdrop {
  background: rgba(11, 31, 36, 0.7);
}

.confirmation-dialog form {
  padding: 30px;
}

.confirmation-dialog h2 {
  margin: 0;
  font-family: 'Avenir Next Condensed', 'Arial Narrow', sans-serif;
  font-size: 32px;
}

.confirmation-dialog form > p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.6;
}

.dialog-actions {
  margin-top: 26px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.confirmation-dialog .quiet-button {
  color: var(--deep);
}

.toast {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  max-width: min(420px, calc(100vw - 48px));
  padding: 14px 18px;
  color: var(--white);
  background: var(--deep-soft);
  box-shadow: var(--shadow);
  font-size: 13px;
}

.toast[data-tone='error'] {
  background: var(--danger);
}

.loading-state span {
  width: 34px;
  height: 34px;
  border: 3px solid var(--line);
  border-top-color: var(--signal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 240px 1fr;
  }

  .workspace {
    padding: 32px;
  }

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

  .ledger {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .shell {
    display: block;
  }

  .gate {
    position: relative;
    min-height: auto;
    padding: 22px;
  }

  .gate-copy {
    margin: 42px 0 26px;
  }

  .gate-copy h1 {
    font-size: 48px;
  }

  .gate-footer {
    margin-top: 36px;
  }

  .workspace {
    padding: 26px 18px 48px;
  }

  .masthead {
    align-items: flex-start;
    flex-direction: column;
  }

  .masthead-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .masthead h2 {
    font-size: 40px;
  }

  .workspace-grid {
    min-height: 0;
  }

  .welcome-state,
  .detail-empty,
  .empty-state,
  .loading-state,
  .error-state {
    min-height: 300px;
  }

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

  .record-side {
    justify-items: start;
  }

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

  .editor-wide,
  .editor-check {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}