/* app.css — Ventilation Web Tool */

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #fbfcfd;
  --ink: #16191d;
  --ink-2: #5b6470;
  --ink-3: #8b95a1;
  --line: #dfe3e8;
  --line-2: #eceff2;
  --accent: #0b6ec9;
  --accent-ink: #ffffff;
  --ok: #17803d;
  --warn: #b25a00;
  --danger: #c0362c;
  --tx: #0b6ec9;
  --rx: #17803d;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --panel: #1b1f23;
    --panel-2: #212629;
    --ink: #e8ecef;
    --ink-2: #a3adb8;
    --ink-3: #78838f;
    --line: #2e353b;
    --line-2: #262c31;
    --accent: #4a9eea;
    --accent-ink: #0d1116;
    --ok: #4ac06d;
    --warn: #e0973a;
    --danger: #ef6a5e;
    --tx: #4a9eea;
    --rx: #4ac06d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

h1, h2, h3 { margin: 0; font-weight: 600; }

code { font-family: var(--mono); font-size: .92em; }

/* ------------------------------------------------------------------ topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 16px; letter-spacing: -.01em; }
.sub { margin: 0; font-size: 12px; color: var(--ink-2); }

.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink-3);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ink-3) 20%, transparent);
  flex: 0 0 auto;
}
.dot[data-state="on"]   { background: var(--ok);     box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
.dot[data-state="busy"] { background: var(--warn);   box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 22%, transparent); }
.dot[data-state="err"]  { background: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 22%, transparent); }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

/* ------------------------------------------------------------------ buttons */

.btn {
  font: inherit;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--ink-3); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger  { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.small   { padding: 5px 10px; font-size: 13px; }

.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }
.check input { margin: 0; }

.select {
  font: inherit;
  font-size: 13px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--ink);
  max-width: 250px;
}
.select:disabled { opacity: .5; }

/* ------------------------------------------------------------------ layout */

.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 53px); }

.sidenav {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 14px 10px 40px;
  overflow-y: auto;
  max-height: calc(100vh - 53px);
  position: sticky;
  top: 53px;
}

.nav-section { margin-bottom: 18px; }
.nav-section h2 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-3);
  padding: 0 8px 6px;
}

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  padding: 6px 9px;
  margin-bottom: 1px;
  border: 0;
  background: none;
  color: var(--ink-2);
  border-radius: 6px;
  cursor: pointer;
}
.nav-item:hover { background: var(--line-2); color: var(--ink); }
.nav-item.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-weight: 500; }
.nav-item[disabled] { opacity: .35; cursor: not-allowed; }
.nav-item[disabled]:hover { background: none; color: var(--ink-2); }

.content { padding: 20px 24px 60px; max-width: 1100px; overflow-x: hidden; }

.view { display: none; }
.view.active { display: block; }

.view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.view-head h2 { font-size: 19px; }
.head-actions { display: flex; align-items: center; gap: 10px; }

/* Elke regel met een eigen `display` overschrijft het hidden-attribuut van de
   browser. Dat kost je een veld dat blijft staan waar het weg hoort. */
[hidden] { display: none !important; }

.inline-field { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }
.inline-field input { width: 64px; padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); font: inherit; }

.hint { color: var(--ink-2); font-size: 13px; margin: 0 0 14px; }
.empty { color: var(--ink-3); font-style: italic; }

.banner { padding: 12px 18px; font-size: 13px; }
.banner.error { background: color-mix(in srgb, var(--danger) 12%, var(--bg)); color: var(--ink); border-bottom: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); }
.banner.warn { background: color-mix(in srgb, var(--warn) 14%, var(--bg)); color: var(--ink); border-bottom: 1px solid color-mix(in srgb, var(--warn) 34%, transparent); }

.badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--warn);
  color: #fff;
}

/* Bij emulatie een rand rond het venster: nooit verwarren met een echte box. */
body[data-emulating] .topbar { box-shadow: inset 0 3px 0 var(--warn); }

/* ------------------------------------------------------------------- cards */

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.card h3 { font-size: 13px; color: var(--ink-2); margin-bottom: 8px; font-weight: 600; }
.card.wide { grid-column: 1 / -1; }

.kv { display: grid; grid-template-columns: minmax(90px, auto) 1fr; gap: 3px 12px; font-size: 13px; }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; font-family: var(--mono); word-break: break-word; }

/* ------------------------------------------------------------------ tables */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }

table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 7px 11px; text-align: left; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
th { background: var(--panel-2); color: var(--ink-2); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--line-2); }
td.mono { font-family: var(--mono); }

/* -------------------------------------------------- componenten in het menu */

.nav-mini {
  float: right; border: 0; background: none; cursor: pointer;
  color: var(--ink-3); font-size: 13px; line-height: 1; padding: 0 2px;
}
.nav-mini:hover { color: var(--accent); }
.nav-empty { color: var(--ink-3); font-size: 12px; font-style: italic; padding: 2px 9px; margin: 0; }

.nav-node {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 5px 9px;
  margin-bottom: 1px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font: inherit;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
}
.nav-node:hover { background: var(--line-2); color: var(--ink); }
.nav-node.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }

/* De inspringing komt uit de boom: padding-left wordt per node gezet, naar de
   diepte in de `prnt`-keten. Verder geen hulplijnen; inspringing alleen leest
   rustiger. */

.node-num {
  flex: 0 0 auto;
  min-width: 22px;
  height: 20px;
  padding: 0 5px;
  border-radius: 5px;
  background: var(--line-2);
  color: var(--ink-2);
  font-size: 11px;
  font-family: var(--mono);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav-node.is-box .node-num { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok); }
.nav-node.active .node-num { background: var(--accent); color: var(--accent-ink); }

.nav-node-name {
  min-width: 0; flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 13px;
}
.nav-node-flag {
  flex: 0 0 auto; font-size: 10px; padding: 0 5px; border-radius: 8px;
  background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger);
}

/* ------------------------------------------------------------ componentpagina */

.detail-section { margin-bottom: 22px; }
.detail-section > h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--ink-3); margin: 0 0 8px; font-weight: 600;
}

.banner-inline {
  margin: 0 0 12px;
  padding: 9px 11px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--warn) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 32%, transparent);
  font-size: 12.5px;
  color: var(--ink);
}

.topology-rows { display: flex; flex-direction: column; gap: 10px; }
.topology-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line-2);
  flex-wrap: wrap;
}
.topology-row:first-child { padding-top: 0; border-top: 0; }
.topology-row b { display: block; font-weight: 500; font-size: 13.5px; }
.topology-row small { color: var(--ink-3); font-size: 12px; }
.topology-controls { display: flex; align-items: center; gap: 8px; }

.group-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.group-tabs button {
  font: inherit; font-size: 12.5px; padding: 5px 11px;
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--panel); color: var(--ink-2); cursor: pointer;
}
.group-tabs button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.group-tabs button.active {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
}
.group-tabs button:disabled { opacity: .4; cursor: not-allowed; }

/* -------------------------------------------------------------- parameters */

.param-section { margin-bottom: 22px; }
.param-section > h3 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--ink-3); margin-bottom: 8px;
}

.param-list { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }

.param {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 12px;
  align-items: center;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line-2);
}
.param:last-child { border-bottom: 0; }
.param:hover { background: var(--panel-2); }

.param-name { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.param-name b { font-weight: 500; font-size: 13.5px; }
.param-name small { color: var(--ink-3); font-size: 11.5px; font-family: var(--mono); }

.param-edit { display: flex; align-items: center; gap: 6px; justify-content: flex-end; }
.param-edit input {
  width: 100px; padding: 5px 8px; font: inherit; font-family: var(--mono);
  border: 1px solid var(--line); border-radius: 6px;
  background: var(--panel); color: var(--ink); text-align: right;
}
.param-edit input:disabled { background: var(--line-2); color: var(--ink-2); }
.param-edit input.dirty,
.param-edit select.dirty { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, var(--panel)); }

.param-edit select {
  width: 168px;
  padding: 5px 8px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
}
.param-edit select:disabled { background: var(--line-2); color: var(--ink-2); }
.param-edit .unit { color: var(--ink-3); font-size: 12px; min-width: 28px; }
.param-edit .ro { color: var(--ink-3); font-size: 11px; }

.save-bar {
  position: sticky; bottom: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px; margin-top: 12px;
  background: var(--panel); border: 1px solid var(--warn); border-radius: var(--radius);
}
.save-bar span { font-size: 13px; color: var(--ink-2); }

/* ------------------------------------------------------------------ console */

.console-input { display: flex; gap: 8px; margin-bottom: 6px; }
.console-input input {
  flex: 1; padding: 8px 11px; font: inherit; font-family: var(--mono);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink);
}

.suggest { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.suggest button {
  font: inherit; font-size: 12px; font-family: var(--mono);
  padding: 3px 8px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); color: var(--ink-2); cursor: pointer;
}
.suggest button:hover { border-color: var(--accent); color: var(--accent); }

.log {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  height: 52vh;
  overflow: auto;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.log .t  { color: var(--ink-3); }
.log .tx { color: var(--tx); font-weight: 600; }
.log .rx { color: var(--rx); }
.log .sy { color: var(--ink-3); font-style: italic; }
.log .ui { color: var(--warn); }
.log .er { color: var(--danger); }
.log .hex { color: var(--ink-3); font-size: 11px; }

/* -------------------------------------------------------------- toast/dialog */

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--bg);
  padding: 10px 18px; border-radius: 20px; font-size: 13px;
  z-index: 100; box-shadow: 0 6px 20px rgba(0,0,0,.25); max-width: 80vw;
}
.toast[data-kind="err"] { background: var(--danger); color: #fff; }
.toast[data-kind="ok"]  { background: var(--ok); color: #fff; }

.dialog {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink);
  padding: 18px 20px; max-width: 420px;
}
.dialog::backdrop { background: rgba(0,0,0,.45); }
.dialog h3 { font-size: 16px; margin-bottom: 8px; }
.dialog p { color: var(--ink-2); font-size: 13.5px; margin: 0 0 16px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------------------------------------------------------------- responsive */

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidenav { position: static; max-height: none; border-right: 0; border-bottom: 1px solid var(--line); }
  .content { padding: 16px; }
  .param { grid-template-columns: 1fr; }
  .param-edit { justify-content: flex-start; }
}