:root {
  --ink: #eef5ff;
  --muted: #8f9aae;
  --canvas: #0f1622;
  --rail: #0a1019;
  --panel: #151f2d;
  --line: #263448;
  --cyan: #3ed5d0;
  --amber: #f4b860;
  --red: #ff7373;
  --focus: #9bece8;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--canvas);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-width: 320px;
}

#app[hidden],
#login-screen[hidden],
.view[hidden] {
  display: none !important;
}
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
}
.rail {
  padding: 28px 16px 20px;
  background: var(--rail);
  border-right: 1px solid #1c2838;
  display: flex;
  flex-direction: column;
}
.brand,
.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-size: 14px;
}
.brand b,
.login-brand b {
  color: var(--cyan);
  font-weight: 750;
}
.brand-mark {
  display: grid;
  place-items: center;
  background: var(--cyan);
  color: #0c1720;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
}
nav {
  margin-top: 46px;
  display: grid;
  gap: 5px;
}
.nav-item {
  border: 0;
  background: transparent;
  color: #8795a9;
  text-align: left;
  padding: 11px 12px;
  border-radius: 9px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.nav-item span {
  display: inline-block;
  width: 25px;
  font-size: 18px;
  vertical-align: -2px;
}
.nav-item:hover {
  background: #111b29;
  color: #dbe8f6;
}
.nav-item.active {
  background: #142938;
  color: var(--cyan);
}
.rail-foot {
  margin-top: auto;
  border-top: 1px solid #1d2a39;
  padding: 18px 10px 0;
}
.rail-foot p,
.crumb {
  font-size: 10px;
  color: #718095;
  letter-spacing: 0.1em;
  margin: 0 0 7px;
}
.rail-foot strong {
  font-size: 12px;
  word-break: break-all;
}
.text-button {
  display: block;
  border: 0;
  background: none;
  color: #8493a5;
  font: inherit;
  font-size: 12px;
  padding: 20px 0 0;
  cursor: pointer;
  text-decoration: none;
}
.text-button:hover {
  color: var(--ink);
}
.workspace {
  padding: 32px 42px;
  overflow: hidden;
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 30px;
}
.crumb {
  color: var(--cyan);
  font-weight: 700;
}
.topbar h1 {
  font-size: 28px;
  letter-spacing: -0.025em;
  margin: 0;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.live-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #9ba8b9;
  font-size: 12px;
}
.live-pill i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px #1a3a41;
}
.primary-button,
.secondary-button {
  border: 0;
  border-radius: 9px;
  padding: 10px 15px;
  font: 600 13px inherit;
  cursor: pointer;
  transition:
    background 0.18s ease,
    transform 0.18s ease;
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.nav-item:focus-visible,
.text-button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
.primary-button {
  background: var(--cyan);
  color: #09202a;
}
.primary-button:hover {
  background: #6ee8e4;
  transform: translateY(-1px);
}
.primary-button:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}
.secondary-button {
  background: #202d3e;
  color: #dce9f7;
}
.secondary-button:hover {
  background: #2b3b50;
}
.status-strip {
  background: #102431;
  border: 1px solid #1b3c4d;
  min-height: 68px;
  padding: 15px 19px;
  display: flex;
  align-items: center;
  gap: 13px;
  border-radius: 13px;
}
.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px #183c45;
}
.status-strip b {
  display: block;
  font-size: 14px;
}
.status-strip small {
  display: block;
  color: #92a5b5;
  margin-top: 3px;
  font-size: 12px;
}
.status-strip time {
  margin-left: auto;
  color: #8fa0b4;
  font-size: 12px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}
.metrics article {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 19px;
  border-radius: 13px;
}
.metrics span {
  font-size: 12px;
  color: #93a1b4;
}
.metrics strong {
  display: block;
  font-size: 28px;
  letter-spacing: -0.03em;
  margin: 12px 0 10px;
}
.metrics small {
  font-size: 11px;
  color: #718198;
}
.metrics .online strong {
  color: var(--cyan);
}
.metrics .offline strong {
  color: var(--red);
}

.round-ledger {
  display: grid;
  grid-template-columns: minmax(150px, 0.75fr) minmax(0, 2.25fr);
  align-items: stretch;
  margin: -6px 0 24px;
  background: #111b28;
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
}

.round-ledger-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 16px 19px;
  border-right: 1px solid var(--line);
}

.round-ledger-title strong {
  font-size: 13px;
}

.round-ledger-title small,
.round-ledger dt {
  color: #8292a7;
  font-size: 11px;
}

.round-ledger dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.round-ledger dl div {
  padding: 14px 18px;
  border-right: 1px solid #223044;
}

.round-ledger dl div:last-child {
  border-right: 0;
}

.round-ledger dd {
  margin: 5px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: #e7eff9;
}

#success-rounds {
  color: var(--cyan);
}

#failed-rounds,
#node-failure-count {
  color: var(--red);
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 13px;
}
.panel-heading {
  padding: 21px 22px 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}
.panel-heading h2 {
  font-size: 15px;
  margin: 0 0 5px;
}
.panel-heading p {
  font-size: 12px;
  color: #8998ad;
  margin: 0;
}
.node-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 16px 22px;
  border-bottom: 1px solid #223044;
}
.node-row:last-child {
  border: 0;
}
.node-row strong {
  display: block;
  font-size: 13px;
}
.node-row strong small {
  color: #8090a5;
  font-weight: 500;
}
.node-row span {
  display: block;
  color: #8797aa;
  font-size: 12px;
  margin-top: 5px;
  max-width: 540px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.node-meta {
  display: flex;
  align-items: center;
  gap: 19px;
  white-space: nowrap;
}
.node-meta b {
  font-size: 12px;
  color: #d2deeb;
}
.status {
  font-size: 11px;
  font-weight: 700;
  border-radius: 99px;
  padding: 5px 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.status:before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.status.ok {
  background: #123631;
  color: #67e6c1;
}
.status.ok:before {
  background: #67e6c1;
}
.status.bad {
  background: #3b2228;
  color: #ff9b9b;
}
.status.bad:before {
  background: #ff7373;
}
.status.pending {
  background: #2d3035;
  color: #bbc1cc;
}
.status.pending:before {
  background: #aeb5c0;
}
.table-panel {
  overflow: hidden;
}
.filters {
  display: flex;
  gap: 8px;
}
.filters input,
.filters select,
.login-card input {
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: #0d1520;
  border: 1px solid #2c3b50;
  border-radius: 8px;
  padding: 9px 10px;
  outline: none;
}
.filters input {
  width: 180px;
}
.filters input:focus,
.filters select:focus,
.login-card input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px #1a464b;
}
.filters select {
  color: #b7c4d2;
}
.table-wrap {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
  min-width: 780px;
}
th {
  padding: 12px 22px;
  color: #8090a6;
  font-size: 10px;
  letter-spacing: 0.08em;
  font-weight: 650;
}
td {
  padding: 14px 22px;
  border-top: 1px solid #223044;
  color: #c7d3e0;
}
td strong {
  color: #eef5ff;
}
td span {
  color: #8494a7;
}
.failure {
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #9aa9ba;
}
.history-list {
  padding: 4px 22px;
}

.log-panel {
  margin-top: 18px;
}
.history-row {
  display: grid;
  grid-template-columns: 190px 120px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid #223044;
  font-size: 13px;
}
.history-row:last-child {
  border: 0;
}
.history-row time,
.history-row span {
  color: #95a4b6;
}
.empty {
  padding: 28px 22px;
  color: #8493a7;
  font-size: 13px;
}
.error-banner {
  margin: -10px 0 20px;
  padding: 9px 11px 9px 15px;
  border-radius: 9px;
  background: #3c2228;
  color: #ffaaaa;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.error-banner .secondary-button {
  padding: 7px 10px;
  background: #562d35;
  color: #ffe1e1;
}
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(
    circle at 70% 10%,
    #123443 0,
    #0f1622 42%,
    #0a1019 100%
  );
}
.login-card {
  width: min(100%, 400px);
  background: #121c29;
  border: 1px solid #2b3a4f;
  border-radius: 15px;
  padding: 35px;
  box-shadow: 0 20px 60px #0008;
}
.login-card h1 {
  margin: 27px 0 10px;
  font-size: 24px;
  letter-spacing: -0.03em;
}
.login-card > p {
  margin: 0 0 28px;
  color: #9aa9b9;
  font-size: 13px;
  line-height: 1.65;
}
.login-card label {
  display: grid;
  gap: 8px;
  color: #adbac9;
  font-size: 12px;
  margin-bottom: 16px;
}
.login-card input {
  width: 100%;
  padding: 11px;
}
.login-card .primary-button {
  width: 100%;
  margin-top: 6px;
}
.form-error {
  color: #ff9a9a;
  font-size: 12px;
  margin: -6px 0 12px;
}
@media (max-width: 900px) {
  .workspace {
    padding: 24px;
  }
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .app-shell {
    grid-template-columns: 190px minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  .app-shell {
    display: block;
  }
  .rail {
    padding: 15px 16px;
    display: block;
    border-right: 0;
    border-bottom: 1px solid #1c2838;
  }
  .rail nav {
    display: flex;
    margin: 16px 0 0;
    overflow: auto;
  }
  .nav-item {
    white-space: nowrap;
    padding: 8px 10px;
  }
  .nav-item span {
    display: none;
  }
  .rail-foot {
    display: none;
  }
  .workspace {
    padding: 21px 15px;
  }
  .topbar {
    margin-bottom: 22px;
  }
  .topbar h1 {
    font-size: 23px;
  }
  .top-actions {
    gap: 10px;
  }
  .live-pill {
    display: none;
  }
  .metrics {
    gap: 9px;
    margin: 16px 0;
  }
  .metrics article {
    padding: 14px;
  }
  .metrics strong {
    font-size: 23px;
    margin: 8px 0;
  }
  .round-ledger {
    grid-template-columns: 1fr;
  }
  .round-ledger-title {
    flex-direction: row;
    justify-content: space-between;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .round-ledger dl div {
    padding: 13px 12px;
  }
  .status-strip time {
    display: none;
  }
  .panel-heading {
    padding: 17px;
    align-items: flex-start;
  }
  .filters {
    flex-wrap: wrap;
  }
  .filters input {
    width: 100%;
  }
  .node-row {
    padding: 14px 17px;
  }
  .node-row span {
    max-width: 180px;
  }
  .node-meta {
    gap: 8px;
  }
  .node-meta b {
    display: none;
  }
  .history-list {
    padding: 3px 17px;
  }
  .history-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}