/* wirefan demo: dark ground, one ember accent, monospace data.
   Same palette as the README visuals in docs/img (drawn in Figma). */

:root {
  color-scheme: dark;
  --paper: #000000;        /* page ground */
  --paper-2: #0e0a08;      /* raised surfaces: panels, inputs, log */
  --rule: #3b2a1f;         /* hairlines */
  --frame: #5a4436;        /* structural rules between regions */
  --ink: #fff3e8;          /* primary text */
  --ink-2: #d9cabe;        /* secondary text */
  --dim: #a8978b;          /* labels, placeholders */
  --olive: #8db5f7;        /* channel names and event tags in the log */
  --accent: #f0561c;       /* ember */
  --accent-soft: #2a160c;  /* ember wash for highlights */
  --ok: #4cc38a;
  --warn: #ffb23f;
  --err: #e5484d;
  --display: "Archivo", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", "Menlo", "Consolas", "Roboto Mono", monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --peer-color: var(--accent);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
.mono { font-family: var(--mono); font-size: 0.92em; }
.dim { color: var(--dim); }

/* ---------- masthead ---------- */
.masthead {
  padding: 28px 36px 18px;
  border-bottom: 1px solid var(--frame);
  background: var(--paper);
}
.masthead-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--display);
}
.brand-mark {
  width: 28px;
  height: 28px;
  transform: translateY(6px);
  display: inline-block;
}
.brand-name {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-style: italic;
  color: var(--ink-2);
  font-size: 16px;
}
.masthead-meta { display: flex; gap: 8px; }
.meta-pill {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--rule);
  padding: 3px 8px;
  background: var(--paper-2);
}
.meta-pill a { text-decoration: none; }
.masthead-rule {
  height: 1px;
  background: var(--rule);
  margin: 14px 0 12px;
}
.tagline-row { align-items: flex-end; }
.tagline {
  margin: 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
}
.tagline strong { color: var(--accent); font-weight: 600; }
.tagline-arrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px dashed var(--accent);
  padding: 6px 10px;
  background: var(--accent-soft);
}
.peer-badge {
  display: none;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 11px;
  background: var(--peer-color);
  color: var(--paper);
}
body.is-connected .peer-badge { display: inline-block; }

/* ---------- grid ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--frame);
  min-height: 70vh;
}
.panel {
  border-right: 1px solid var(--frame);
  display: flex;
  flex-direction: column;
  background: var(--paper);
}
.panel:last-child { border-right: none; }

/* ---------- panel head ---------- */
.panel-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}
.panel-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}
.panel-title {
  margin: 0;
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.panel-status {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  color: var(--dim);
  background: var(--paper);
}
.panel-status[data-state="connected"] { color: var(--ok); border-color: var(--ok); }
.panel-status[data-state="connecting"] { color: var(--warn); border-color: var(--warn); }
.panel-status[data-state="error"] { color: var(--err); border-color: var(--err); }

.panel-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

/* ---------- form ---------- */
.field { display: flex; flex-direction: column; gap: 5px; }
.field.grow { flex: 1; }
.field-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.field input, .field textarea {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink-2);
  border-radius: 0;
  padding: 9px 10px;
  width: 100%;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- buttons ---------- */
.btn {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 9px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  border-radius: 0;
  transition: background 80ms linear, color 80ms linear;
}
.btn:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-warn {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-warn:hover:not(:disabled) {
  background: var(--accent);
  color: var(--paper);
}
.btn-ghost { background: transparent; }

/* ---------- key/value ---------- */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 14px;
  margin: 4px 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.kv dt {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
  padding-top: 2px;
}
.kv dd {
  margin: 0;
  font-size: 13px;
  word-break: break-all;
  color: var(--ink);
}

/* ---------- log ---------- */
.log {
  flex: 1;
  min-height: 220px;
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--ink-2);
  background: #070504;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
}
.log-empty {
  padding: 22px 16px;
  color: var(--dim);
  font-style: italic;
  font-family: var(--display);
  font-size: 14px;
  text-align: center;
}
.log-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px dashed var(--rule);
}
.log-row:last-child { border-bottom: none; }
.log-row .ts {
  color: var(--dim);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}
.log-row .body { color: var(--ink); word-break: break-all; }
.log-row .tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1px 6px;
  margin-right: 6px;
  border: 1px solid var(--rule);
}
.log-row .tag.evt { color: var(--olive); border-color: var(--olive); }
.log-row .tag.sys { color: var(--accent); border-color: var(--accent); }
.log-row .tag.err { color: var(--err); border-color: var(--err); }
.log-row .ch { color: var(--olive); margin-right: 8px; }
.log-row .peer-chip {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1px 6px;
  margin-right: 6px;
  color: var(--paper);
}
.log-row--new { animation: rowArrive 1200ms ease-out; }
@keyframes rowArrive {
  0%, 35% { background: var(--accent-soft); }
  100%    { background: transparent; }
}
@media (prefers-reduced-motion: reduce) {
  .log-row--new { animation: none; }
}

/* ---------- stats ---------- */
.caption {
  margin: 0;
  font-style: italic;
  color: var(--ink-2);
  font-size: 14px;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--ink-2);
}
.stat {
  padding: 14px 14px 12px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat:nth-child(2n) { border-right: none; }
.stat:nth-last-child(-n+2) { border-bottom: none; }
.stat-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.stat-value {
  font-size: 26px;
  margin-top: 4px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.raw {
  margin: 0;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--ink-2);
  max-height: 240px;
  overflow-y: auto;
}

/* ---------- footer ---------- */
.footer {
  padding: 14px 36px 22px;
  background: var(--paper);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12px;
}

/* ---------- mobile ---------- */
@media (max-width: 720px) {
  .masthead { padding: 20px 18px 14px; }
  .brand-name { font-size: 24px; }
  .brand-sub { display: block; font-size: 14px; }
  .tagline-row { flex-direction: column; align-items: flex-start; }
  .tagline-arrow { align-self: flex-start; }
  .grid {
    grid-template-columns: 1fr;
  }
  .panel { border-right: none; border-bottom: 1px solid var(--frame); }
  .panel:last-child { border-bottom: none; }
  .footer { padding: 14px 18px 22px; }
}