/* Terminal look: near-black + one accent (amber). Square corners, no shadows, gradients or glow.
   The account menu switches to light (remembered per browser). */
:root {
  --bg: #0c0c0b; --side: #0c0c0b; --fg: #e8e4da; --muted: #7d7a72; --card: #111110; --raised: #181816;
  --line: #22211f; --accent: #e0a030; --accent-fg: #0c0c0b; --accent-soft: rgba(224, 160, 48, .08);
  --danger: #d0604e; --ok: var(--accent); --warn: var(--muted);
  --font: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}
:root[data-theme=light] {
  --bg: #f4f2ec; --side: #f4f2ec; --fg: #1a1916; --muted: #6e6a60; --card: #efece5; --raised: #e7e3da;
  --line: #d8d4ca; --accent: #9a6400; --accent-fg: #f4f2ec; --accent-soft: rgba(154, 100, 0, .08);
  --danger: #a8382a;
  color-scheme: light;
}
* { box-sizing: border-box; border-radius: 0; }
html, body { height: 100%; }
body { margin: 0; font: 13px/1.5 var(--font); background: var(--bg); color: var(--fg); }
svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; flex: none; }
/* Icons only where they carry function (menu toggle, close). */
#nav svg, .button svg, .cc-tabs svg, .modal-head .icon { display: none; }
[hidden] { display: none !important; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.error { color: var(--danger); white-space: pre-wrap; margin: 0; }
.error:empty { display: none; }
code, .mono { font-family: var(--font); font-size: 1em; }
h1 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: .02em; }
h2 { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 1.5rem 0 .5rem; }
::selection { background: var(--accent); color: var(--accent-fg); }

/* --- shell --- */
.shell { display: flex; min-height: 100%; }
#sidebar { width: 210px; flex: none; background: var(--side); border-right: 1px solid var(--line); padding: .75rem .5rem; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.shell.collapsed #sidebar { display: none; }
.brand { display: flex; align-items: center; gap: .5rem; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .14em; padding: .25rem .5rem 1rem; }
.brand img { width: 16px; height: 16px; }
#nav { display: grid; gap: 0; }
#nav a, #nav summary { display: flex; align-items: center; gap: .5rem; padding: .3rem .5rem; color: var(--muted); text-decoration: none; cursor: pointer; border-left: 2px solid transparent; }
#nav summary { list-style: none; margin-top: .9rem; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
#nav details a { padding-left: .75rem; }
#nav > a { margin-top: .9rem; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
#nav > a:first-child { margin-top: 0; }
#nav summary::-webkit-details-marker { display: none; }
#nav summary::after { content: "+"; margin-left: auto; }
#nav details[open] summary::after { content: "-"; }
#nav a:hover, #nav summary:hover { color: var(--fg); }
#nav a.active { color: var(--accent); border-left-color: var(--accent); }
#nav .count { margin-left: auto; padding: 0 .35rem; background: var(--accent); color: var(--bg); font-size: 10px; letter-spacing: 0; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: .75rem; padding: .4rem 1rem; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.spacer { flex: 1; }
main { padding: 1.25rem; width: 100%; max-width: 1400px; }
.icon-button { background: none; border: 1px solid transparent; color: var(--muted); padding: .3rem; cursor: pointer; display: inline-flex; }
.icon-button:hover { color: var(--fg); border-color: var(--line); }
.avatar { width: 28px; height: 28px; border: 1px solid var(--line); background: none; color: var(--accent); font: 600 11px var(--font); text-transform: uppercase; cursor: pointer; display: inline-grid; place-items: center; flex: none; }
.avatar:hover { border-color: var(--accent); }
#user-menu { inset: auto; top: 44px; right: 12px; margin: 0; min-width: 220px; background: var(--card); color: var(--fg); border: 1px solid var(--line); padding: .4rem; }
#user-menu p { margin: .25rem .5rem; overflow-wrap: anywhere; }
.menu-item { display: block; width: 100%; text-align: left; font: inherit; background: none; border: 0; color: var(--fg); padding: .4rem .5rem; cursor: pointer; }
.menu-item:hover { color: var(--accent-fg); background: var(--accent); }
@media (max-width: 800px) {
  #sidebar { position: fixed; z-index: 10; left: 0; }
  .shell:not(.open) #sidebar { display: none; }
  main { padding: 1rem; }
}

/* --- page header and tables --- */
.page-head { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; justify-content: space-between; margin-bottom: 1rem; }
.page-head p { margin: .25rem 0 0; color: var(--muted); max-width: 60rem; }
.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .75rem; }
.toolbar input { max-width: 320px; }
.toolbar select { width: auto; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--bg); margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .4rem .75rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-weight: 500; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); background: none; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--raised); }
td.empty { text-align: center; color: var(--muted); padding: 2rem; }
.cell-main { font-weight: 500; }
.cell-sub { color: var(--muted); font-size: .9em; }
.dot { display: inline-block; width: 6px; height: 6px; background: var(--muted); margin-right: .45rem; vertical-align: middle; }
.dot.on { background: var(--accent); }
.chip { display: inline-flex; align-items: center; gap: .3rem; padding: 0 .4rem; margin: .1rem .25rem .1rem 0; border: 1px solid var(--line); background: none; color: var(--fg); font: inherit; font-size: .92em; white-space: nowrap; }
button.chip { cursor: pointer; }
button.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip button { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0 .1rem; font: inherit; }
.chip button:hover { color: var(--accent); }
.badge { display: inline-block; padding: 0 .4rem; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; border: 1px solid var(--line); color: var(--muted); }
.badge.ok { color: var(--accent); border-color: var(--accent); }
.badge.bad { color: var(--danger); border-color: var(--danger); }
.badge.warn { color: var(--fg); }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }

/* --- forms --- */
.stack { display: grid; gap: .8rem; }
.map-row { display: grid; gap: .5rem; grid-template-columns: 2fr 1fr auto; align-items: center; }
@media (max-width: 600px) { .map-row { grid-template-columns: 1fr; } }
.row2 { display: grid; gap: .8rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .row2 { grid-template-columns: 1fr; } }
label { display: grid; gap: .3rem; font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
/* Label text is a caps heading; what sits inside it is data. */
label > *, .hint { font-size: 13px; text-transform: none; letter-spacing: normal; }
.hint { font-weight: 400; color: var(--muted); font-size: 12px; margin: 0; }
input, select, textarea { font: inherit; text-transform: none; letter-spacing: normal; padding: .4rem .55rem; border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%; appearance: none; }
select { background-image: none; padding-right: 1.5rem; cursor: pointer; }
input::placeholder, textarea::placeholder { color: var(--muted); }
input:focus, select:focus, textarea:focus, .picker:focus-within { outline: 0; border-color: var(--accent); }
.button { font: 500 11px var(--font); text-transform: uppercase; letter-spacing: .1em; display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .4rem .8rem; border: 1px solid var(--line); background: none; color: var(--fg); cursor: pointer; text-decoration: none; white-space: nowrap; }
.button:hover { border-color: var(--accent); color: var(--accent); }
.button.primary { border-color: var(--accent); color: var(--accent); }
.button.primary:hover, .button:active { background: var(--accent); color: var(--accent-fg); }
.button.danger { color: var(--danger); }
.button.danger:hover { border-color: var(--danger); }
.button.small { padding: .15rem .5rem; font-size: 10px; }
.button.wide { width: 100%; }
.button:disabled { opacity: .4; cursor: default; }
.button:disabled:hover { border-color: var(--line); color: var(--fg); background: none; }
.setting { display: flex; gap: 1rem; align-items: center; justify-content: space-between; padding: .75rem; border: 1px solid var(--line); background: none; text-transform: none; letter-spacing: normal; font-size: 13px; color: var(--fg); }
.setting strong { display: block; font-weight: 500; }
input.switch { appearance: none; width: 34px; height: 16px; padding: 0; background: none; border: 1px solid var(--line); position: relative; cursor: pointer; flex: none; }
input.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; background: var(--muted); }
input.switch:checked { border-color: var(--accent); background: var(--accent); }
input.switch:checked::after { left: 20px; background: var(--accent-fg); }
.secret { padding: .6rem; border: 1px dashed var(--accent); word-break: break-all; background: none; color: var(--accent); margin: 0; }
pre.command { margin: 0; padding: .6rem; background: var(--bg); border: 1px solid var(--line); white-space: pre-wrap; word-break: break-all; font: inherit; }

/* multi-select picker */
.picker { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: .2rem; min-height: 32px; padding: .2rem .4rem; border: 1px solid var(--line); background: var(--bg); font-weight: 400; color: var(--fg); }
.picker .chips { display: contents; }
.picker ul:empty { display: none; }
.picker input { border: 0; outline: 0; padding: .15rem; flex: 1; min-width: 4rem; width: auto; background: none; }
.picker ul { position: absolute; z-index: 20; left: -1px; right: -1px; top: calc(100% + 2px); margin: 0; padding: 0; list-style: none; background: var(--card); border: 1px solid var(--line); max-height: 260px; overflow-y: auto; }
.picker li { display: flex; gap: .5rem; align-items: center; justify-content: space-between; padding: .3rem .55rem; cursor: pointer; }
.picker li:hover, .picker li.hot { background: var(--raised); }
.picker li.picked { color: var(--accent); }
.picker li .cell-sub { white-space: nowrap; }

/* direction toggle between source and destination */
.flow { display: grid; grid-template-columns: 1fr auto 1fr; gap: .8rem; align-items: end; }
.direction { display: grid; gap: .3rem; padding-bottom: .4rem; background: none; border: 0; cursor: pointer; }
.direction span { display: block; width: 64px; height: 16px; border: 1px solid var(--line); color: var(--muted); font: 11px/14px var(--font); text-align: center; }
.direction span.on { border-color: var(--accent); background: var(--accent); color: var(--accent-fg); }
@media (max-width: 600px) { .flow { grid-template-columns: 1fr; } .direction { justify-self: center; grid-auto-flow: column; } }

/* --- modal --- */
dialog { width: min(680px, calc(100vw - 2rem)); max-height: calc(100vh - 2rem); padding: 0; border: 1px solid var(--line); background: var(--card); color: var(--fg); }
dialog::backdrop { background: rgba(0, 0, 0, .7); }
.modal-head { display: flex; gap: .75rem; align-items: flex-start; padding: 1rem 1rem .6rem; }
.modal-head p { margin: .2rem 0 0; color: var(--muted); }
.modal-head .icon-button { margin-left: auto; }
.tabs { display: flex; gap: 0; padding: 0 1rem; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tab { font: 500 10px var(--font); text-transform: uppercase; letter-spacing: .1em; background: none; border: 0; border-bottom: 1px solid transparent; margin-bottom: -1px; color: var(--muted); padding: .5rem .6rem; cursor: pointer; white-space: nowrap; }
.tab:hover { color: var(--fg); }
.tab[aria-selected=true] { color: var(--accent); border-bottom-color: var(--accent); }
.modal-body { padding: 1rem; overflow-y: auto; }
.modal-foot { display: flex; gap: .5rem; align-items: center; justify-content: flex-end; padding: .75rem 1rem; border-top: 1px solid var(--line); }
.modal-foot .error { margin-right: auto; }

/* --- control center --- */
.cc-tabs { display: inline-flex; gap: 0; margin-bottom: 1rem; }
.cc-tabs button { font: 500 10px var(--font); text-transform: uppercase; letter-spacing: .1em; padding: .35rem .75rem; border: 1px solid var(--line); margin-right: -1px; background: none; color: var(--muted); cursor: pointer; }
.cc-tabs button:hover { color: var(--fg); }
.cc-tabs button[aria-selected=true] { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); position: relative; }
.canvas { position: relative; border: 1px solid var(--line); min-height: 420px; overflow-x: auto; background: var(--bg); padding: 1.25rem; }
.canvas .subject { max-width: 340px; margin-bottom: 1rem; }
.graph { display: block; width: 100%; min-width: 720px; height: auto; }
.graph .edge { fill: none; stroke: var(--accent); stroke-width: 1; stroke-dasharray: 4 4; animation: flow 1.2s linear infinite; opacity: .6; }
.graph .node rect { fill: var(--bg); stroke: var(--line); stroke-width: 1; rx: 0; }
.graph .node.policy rect { fill: var(--card); }
.graph .node.off rect { stroke-dasharray: 3 3; }
.graph .edge.off { stroke: var(--muted); animation: none; opacity: .4; }
.graph .node { cursor: pointer; }
.graph .node:hover rect, .graph .node:focus rect { stroke: var(--accent); }
.graph .node:focus { outline: 0; }
.graph text { fill: var(--fg); font: 12px var(--font); stroke: none; }
.graph text.sub { fill: var(--muted); font-size: 10px; }
.graph circle { fill: var(--accent); stroke: none; }
.graph circle.off { fill: var(--muted); }
@keyframes flow { to { stroke-dashoffset: -16; } }
@media (prefers-reduced-motion: reduce) { .graph .edge { animation: none; } }

/* --- login --- */
.login { min-height: 100%; display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(360px, 100%); padding: 1.5rem; border: 1px solid var(--line); background: var(--bg); display: grid; gap: 1rem; }
.login-card .brand { justify-content: center; padding-bottom: .25rem; }
.divider { display: flex; align-items: center; gap: .75rem; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; margin: 1rem 0 0; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
details summary { cursor: pointer; color: var(--muted); }
details summary:hover { color: var(--fg); }
details form { margin-top: .75rem; }
.verdict { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .14em; margin: 0; }
.verdict.ok { color: var(--accent); }
.verdict.bad { color: var(--danger); }
.card { background: none; border: 1px solid var(--line); padding: 1rem; max-width: 760px; }