:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e7;
  --text: #1b1f24;
  --muted: #667085;
  --accent: #5b3fd9;
  --accent-text: #ffffff;
  --danger: #c4320a;
  --ok: #157f3c;
  --code-bg: #f0f2f5;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --surface: #1a1d24;
    --border: #2c313b;
    --text: #e6e8ec;
    --muted: #98a2b3;
    --accent: #8b74ff;
    --accent-text: #0e0b1f;
    --danger: #ff7a59;
    --ok: #4ade80;
    --code-bg: #14171d;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    14px/1.45 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
}

h1,
h2,
h3 {
  margin: 0;
}
h1 {
  font-size: 18px;
}
h2 {
  font-size: 15px;
}
h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 10px;
}

code,
pre,
textarea {
  font:
    12px/1.5 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
pre {
  background: var(--code-bg);
  border-radius: 6px;
  padding: 10px;
  margin: 0;
  overflow: auto;
  max-height: 420px;
}

.muted {
  color: var(--muted);
}
.error {
  color: var(--danger);
}

.top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.top button {
  margin-left: auto;
}

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 53px);
}

.sessions {
  border-right: 1px solid var(--border);
  padding: 16px;
  background: var(--surface);
}
.sessions ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 6px;
}
.sessions li {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.sessions li.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.sessions li .id {
  font-weight: 600;
}
.sessions li .sub {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.detail {
  padding: 16px;
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}
.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}
.detail-head p {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.tabs button {
  background: none;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 8px 12px;
}
.tabs button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  min-width: 0;
}

button {
  background: var(--accent);
  color: var(--accent-text);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
button.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chips button {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.chips button.active {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 10px;
}
.segmented button {
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--text);
}
.segmented button.active {
  background: var(--accent);
  color: var(--accent-text);
}

table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}
.yes {
  color: var(--ok);
  font-weight: 600;
}
.no {
  color: var(--muted);
}
select {
  font: inherit;
  padding: 4px 6px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
}

textarea {
  width: 100%;
  margin: 8px 0;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--code-bg);
  color: var(--text);
}
.row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

details.exchange {
  border-bottom: 1px solid var(--border);
  padding: 6px 0;
}
details.exchange summary {
  cursor: pointer;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
details.exchange .status {
  font-weight: 600;
}
details.exchange pre {
  margin-top: 6px;
}

@media (max-width: 760px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sessions {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sessions ul {
    max-height: 40vh;
    overflow: auto;
  }
  .top {
    flex-wrap: wrap;
    row-gap: 8px;
    padding: 10px 16px;
  }
  .top .who {
    flex: 1 1 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }
  .top .who .conn {
    flex: 1 1 100%;
  }
  .top .who button {
    margin-left: 0;
  }
  .top .who #logout {
    margin-left: auto;
  }
  .top button,
  .detail-head button,
  .top code {
    white-space: nowrap;
  }
  .detail-head {
    flex-wrap: wrap;
  }
  .detail-head .row {
    justify-content: flex-start;
  }
  .tabs button {
    padding: 8px 10px;
  }
}

a {
  color: var(--accent);
}
.links {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}
tr.mine td {
  font-weight: 600;
}

.login {
  max-width: 420px;
  margin: 12vh auto;
  padding: 0 16px;
  display: grid;
  gap: 12px;
}
.login input,
.field input,
.field select {
  font: inherit;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
}
.login .card {
  display: grid;
  gap: 10px;
}
.top .who {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}
.top button {
  margin-left: 0;
}
.field {
  display: grid;
  gap: 3px;
  margin-bottom: 8px;
}
.field label {
  color: var(--muted);
  font-size: 12px;
}
.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}
.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
}
.check input {
  width: auto;
}
.pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
}
.pill.linked {
  border-color: var(--ok);
  color: var(--ok);
}
.pill.blocked,
.pill.not_available {
  border-color: var(--danger);
  color: var(--danger);
}
.sessions li .sub.status {
  margin-top: 2px;
}
.hint {
  font-size: 12px;
  color: var(--muted);
  margin: 6px 0;
}
.fault {
  display: flex;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding: 6px 0;
}
.badge-fault {
  color: var(--danger);
  font-weight: 600;
}
.ok {
  color: var(--ok);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
button.small {
  padding: 3px 9px;
  font-size: 12px;
}
button.busy {
  position: relative;
  padding-left: 28px;
}
button.busy::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.chips button[aria-pressed='true'] {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  font-weight: 600;
}

.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 8px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 32px));
}
.toast {
  display: flex;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--ok);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  animation: slide-in 0.15s ease-out;
}
.toast.error {
  border-left-color: var(--danger);
}
.toast.info {
  border-left-color: var(--accent);
}
.toast .msg {
  flex: 1;
  overflow-wrap: anywhere;
}
.toast button {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0 4px;
  font-size: 16px;
  line-height: 1;
}
@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.conn {
  font-size: 12px;
  color: var(--muted);
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.conn::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.conn.live::before {
  background: var(--ok);
}
.conn.retrying::before {
  background: var(--danger);
}
.conn.paused::before {
  background: #d9a400;
}
.banner {
  background: var(--danger);
  color: #fff;
  padding: 8px 16px;
  font-weight: 600;
}

.editor-status {
  font-size: 12px;
  color: var(--muted);
}
.editor-status.dirty {
  color: #d9a400;
  font-weight: 600;
}
.editor-status.bad {
  color: var(--danger);
  font-weight: 600;
}
.editor-status.saved {
  color: var(--ok);
  font-weight: 600;
}
textarea.invalid {
  border-color: var(--danger);
}

.pill {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  color: var(--text);
}
.pill.custom {
  border-style: dashed;
}
.empty {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.snippet {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 11px;
  max-height: 220px;
}
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 4px;
}
.sessions li.pulse {
  animation: pulse 1.2s ease-out;
}
@keyframes pulse {
  from {
    background: color-mix(in srgb, var(--accent) 35%, transparent);
  }
  to {
    background: transparent;
  }
}
.filters {
  margin-bottom: 8px;
}
.field.inline {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  margin: 0;
}
.field.inline select {
  width: auto;
}
details.exchange .s2 {
  color: var(--ok);
}
details.exchange .s4 {
  color: #d9a400;
}
details.exchange .s5,
details.exchange .s0 {
  color: var(--danger);
}
details.exchange .tools {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.detail-head .row {
  justify-content: flex-end;
}
@media (prefers-reduced-motion: reduce) {
  .toast,
  .sessions li.pulse,
  button.busy::before {
    animation: none;
  }
}

.login form.field {
  gap: 10px;
  margin: 0;
}
.login form.field label {
  margin-bottom: 0;
}
.login form.field input {
  padding: 9px 10px;
}
.login form.field button {
  margin-top: 4px;
  padding: 10px 12px;
}
.login form.field .error:empty {
  display: none;
}

.detail-empty {
  padding: 48px 32px;
  display: grid;
  gap: 8px;
  align-content: start;
  max-width: 560px;
}
.detail-empty p {
  margin: 0;
}

.toast {
  gap: 8px;
  align-items: center;
  font-weight: 500;
}
.toast::before {
  font-weight: 800;
  font-size: 15px;
  line-height: 1;
}
.toast.success {
  background: color-mix(in srgb, var(--ok) 18%, var(--surface));
  border-color: var(--ok);
  border-left-color: var(--ok);
}
.toast.success::before {
  content: '✓';
  color: var(--ok);
}
.toast.error {
  background: color-mix(in srgb, var(--danger) 18%, var(--surface));
  border-color: var(--danger);
  border-left-color: var(--danger);
}
.toast.error::before {
  content: '✕';
  color: var(--danger);
}
.toast.info {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
  border-color: var(--accent);
  border-left-color: var(--accent);
}
.toast.info::before {
  content: 'i';
  color: var(--accent);
  font-style: italic;
  font-family: Georgia, serif;
}
.toast.error {
  color: var(--text);
}

textarea {
  resize: vertical;
  overflow-y: auto;
  field-sizing: content;
  min-height: 8lh;
  max-height: 560px;
}
textarea[rows='10'] {
  min-height: 10lh;
}
textarea[rows='12'] {
  min-height: 12lh;
}
textarea[rows='18'] {
  min-height: 18lh;
}

[data-panel] {
  display: grid;
  gap: 14px;
  align-content: start;
}
[data-panel] > .grid {
  margin-bottom: 0;
}
.fields {
  margin-bottom: 4px;
}
fieldset.checks {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px 12px;
  margin: 14px 0 0;
  min-width: 0;
}
fieldset.checks legend {
  color: var(--muted);
  font-size: 12px;
  padding: 0 6px;
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.check-grid .check {
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  background: var(--code-bg);
}
.check-grid .check:hover {
  border-color: var(--accent);
}
.check-grid .check:has(input:checked) {
  border-color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, var(--code-bg));
}
.row.actions {
  margin-top: 14px;
}

.card pre + .row,
.card pre + button {
  margin-top: 12px;
}
.card pre {
  margin-bottom: 0;
}

#fault-list + .row {
  margin-top: 12px;
}

#fault-error {
  flex-basis: 100%;
}
#fault-error:empty {
  display: none;
}

.field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 18px;
}
.clear-x {
  padding: 0 4px;
  line-height: 18px;
  font-size: 12px;
  background: none;
  color: var(--muted);
  border: 0;
  border-radius: 0;
}
.clear-x:hover {
  color: var(--text);
  background: none;
}

.confirm {
  max-width: 420px;
  width: calc(100% - 32px);
  padding: 20px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.confirm::backdrop {
  background: rgb(0 0 0 / 55%);
}
.confirm h3 {
  margin: 0 0 8px;
  font-size: 16px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
}
.confirm p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.45;
}
.confirm-actions {
  justify-content: flex-end;
}
.confirm button.danger {
  background: var(--danger);
  color: var(--surface);
}