/* DigiTools workbench — dark, dense, one accent (docs/design.md §9).
   Colour never carries meaning on its own: every state also has a glyph
   or a word, so screenshots and colour-blind readers lose nothing. */

:root {
  --bg:        #0e1113;
  --panel:     #14181b;
  --panel-2:   #191e21;
  --raised:    #1e2429;
  --line:      #242c31;
  --line-soft: #1b2226;
  --ink:       #dde5e8;
  --dim:       #8b979e;
  --dimmer:    #616c73;
  --accent:    #35b0a7;
  --accent-dim:#1c5f5c;
  --warn:      #d9a441;
  --danger:    #d4695f;
  --ok:        #6fbf73;

  --mono: "DejaVu Sans Mono", "JetBrains Mono", "Noto Sans Mono", ui-monospace, monospace;
  --sans: "Inter", "Noto Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --rail: 132px;
  --row: 26px;
}

* { box-sizing: border-box; }

html, body, #app { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 13px; line-height: 1.45;
  -webkit-font-smoothing: antialiased; overflow: hidden;
}
::selection { background: var(--accent-dim); color: #fff; }

/* ---------- scrollbars ---------- */
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: #2a3237; border-radius: 5px; }
*::-webkit-scrollbar-thumb:hover { background: #37424a; }

/* ---------- shell ---------- */
.shell {
  display: grid; height: 100%;
  grid-template-columns: var(--rail) 1fr;
  grid-template-rows: 38px 1fr 54px;
  grid-template-areas: "top top" "rail main" "bar bar";
}
.topbar {
  grid-area: top; display: flex; align-items: center; gap: 14px;
  padding: 0 12px; background: var(--panel); border-bottom: 1px solid var(--line);
}
/* The striped sun and a plain wordmark (assets/brand). The sun's red is the
   logo's own, not a UI colour: the accent stays for selection and focus. */
.brand { display: inline-flex; align-items: center; gap: 8px;
         font-weight: 600; letter-spacing: .08em; color: var(--ink); }
.brand-mark { width: 20px; height: 20px; flex: none; }
.projname { color: var(--dim); }
.projname b { color: var(--ink); font-weight: 600; }
.topbar .spacer { flex: 1; }

.tier { display: flex; align-items: center; gap: 0; border: 1px solid var(--line);
        border-radius: 4px; overflow: hidden; }
.tier button {
  font: inherit; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  background: transparent; color: var(--dim); border: 0; padding: 3px 10px; cursor: pointer;
}
.tier button.on { background: var(--accent-dim); color: #eafffd; font-weight: 600; }
.tier button:hover:not(.on) { color: var(--ink); background: var(--raised); }

.stat { color: var(--dimmer); font-family: var(--mono); font-size: 11px; }
.stat b { color: var(--dim); font-weight: 500; }

/* ---------- rail ---------- */
.rail {
  grid-area: rail; background: var(--panel); border-right: 1px solid var(--line);
  padding: 8px 0; display: flex; flex-direction: column; gap: 1px;
}
.rail a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 12px; color: var(--dim); text-decoration: none;
  font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  border-left: 2px solid transparent; cursor: pointer;
}
.rail a:hover { color: var(--ink); background: var(--panel-2); }
.rail a.on { color: var(--ink); border-left-color: var(--accent); background: var(--panel-2); }
.rail .count {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0;
  background: var(--accent-dim); color: #d6fffb; border-radius: 8px; padding: 0 6px;
}
.rail .hint { margin-top: auto; padding: 10px 12px; color: var(--dimmer);
              font-size: 10.5px; line-height: 1.5; }
.rail kbd { font-family: var(--mono); }

/* ---------- main ---------- */
.main { grid-area: main; overflow: hidden; display: flex; flex-direction: column; }
.view { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.viewhead {
  display: flex; align-items: center; gap: 12px; padding: 9px 14px;
  border-bottom: 1px solid var(--line); background: var(--panel-2); flex: none;
}
.viewhead h1 { font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
               margin: 0; color: var(--dim); font-weight: 600; }
.viewhead .spacer { flex: 1; }

.split { flex: 1; display: grid; grid-template-columns: 300px 1fr; overflow: hidden; }
.split > .left { border-right: 1px solid var(--line); overflow: auto; }
.split > .right { overflow: auto; padding: 16px 18px; }

/* ---------- lists ---------- */
.group { padding: 9px 12px 3px; color: var(--dimmer); font-size: 10px;
         letter-spacing: .14em; text-transform: uppercase; }
.row {
  display: flex; align-items: center; gap: 8px; padding: 4px 12px;
  cursor: pointer; border-left: 2px solid transparent; min-height: var(--row);
}
.row:hover { background: var(--panel-2); }
.row.sel { background: var(--raised); border-left-color: var(--accent); }
.row .dot { width: 6px; height: 6px; border-radius: 50%; flex: none;
            background: var(--accent); }
.row .dot.read { background: transparent; border: 1px solid var(--dimmer); }
.row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .meta { font-family: var(--mono); font-size: 10.5px; color: var(--dimmer); }

/* ---------- detail ---------- */
.dtitle { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.dtitle h2 { font-size: 15px; margin: 0; font-weight: 600; }
.dtitle .sub { color: var(--dimmer); font-family: var(--mono); font-size: 11px; }

.block { margin: 16px 0; }
.blabel { font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
          color: var(--accent); margin-bottom: 5px; font-weight: 600; }
.quote { color: var(--ink); font-style: italic; border-left: 2px solid var(--line);
         padding-left: 10px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-family: var(--mono); font-size: 10.5px; color: var(--dim);
        background: var(--panel-2); border: 1px solid var(--line);
        border-radius: 3px; padding: 1px 7px; }
.chip.warn { color: var(--warn); border-color: #4a3c1e; }

/* ---------- proposal ---------- */
.proposal { border: 1px solid var(--line); border-radius: 4px; background: var(--panel); }
.proposal .phead { display: flex; align-items: center; padding: 7px 11px;
                   border-bottom: 1px solid var(--line-soft); }
.proposal .conf { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.proposal ul { list-style: none; margin: 0; padding: 8px 11px; }
.proposal li { display: flex; gap: 10px; padding: 2px 0; }
.proposal li .act { color: var(--accent); width: 108px; flex: none; font-size: 12px; }
.proposal li .det { font-family: var(--mono); font-size: 11.5px; color: var(--ink); }
/* Versions carry a longer name than a proposal step — "with a beat, 92 bpm"
   should not wrap onto two lines. */
.versions li .act { width: 148px; }
.versions li .btn { padding: 2px 9px; margin-left: 8px; }

.disclaim { color: var(--dimmer); font-size: 11px; margin-top: 7px; }

/* ---------- buttons ---------- */
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
button.btn {
  font: inherit; font-size: 12px; background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 4px; padding: 5px 11px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
}
button.btn:hover { border-color: var(--dimmer); background: var(--raised); }
button.btn.primary { border-color: var(--accent-dim); background: var(--accent-dim); color: #eafffd; }
button.btn.primary:hover { background: #24706c; }
button.btn.danger:hover { border-color: var(--danger); color: var(--danger); }
button.btn:disabled { opacity: .4; cursor: not-allowed; }
button.btn kbd, .rail kbd, kbd.k {
  font-family: var(--mono); font-size: 10px; color: var(--dimmer);
  border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; background: var(--bg);
}

/* ---------- inputs ---------- */
input.text, select.sel {
  font: inherit; background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 4px; padding: 5px 9px; outline: none;
}
input.text:focus, select.sel:focus { border-color: var(--accent); }
input.text::placeholder { color: var(--dimmer); }
.searchbar { display: flex; gap: 8px; align-items: center; padding: 10px 14px;
             border-bottom: 1px solid var(--line); }
.searchbar input.text { flex: 1; font-family: var(--mono); font-size: 12.5px; }
.filters { display: flex; gap: 8px; align-items: center; padding: 7px 14px;
           border-bottom: 1px solid var(--line); color: var(--dimmer); font-size: 11.5px; }

/* ---------- table ---------- */
table.grid { width: 100%; border-collapse: collapse; font-size: 12px; }
table.grid th {
  position: sticky; top: 0; background: var(--panel-2); text-align: left;
  font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--dimmer);
  font-weight: 600; padding: 6px 10px; border-bottom: 1px solid var(--line); z-index: 1;
}
table.grid td { padding: 3px 10px; border-bottom: 1px solid var(--line-soft); }
table.grid tr { cursor: pointer; }
table.grid tr:hover td { background: var(--panel-2); }
table.grid tr.sel td { background: var(--raised); }
table.grid td.mono, .mono { font-family: var(--mono); }
table.grid td.num { text-align: right; font-family: var(--mono); color: var(--dim); }

/* ---------- arrangement ---------- */
.arr { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.arr .arrow { display: grid; align-items: stretch; border-bottom: 1px solid var(--line-soft); }
.arr .arrow:last-child { border-bottom: 0; }
.arr .lbl { padding: 6px 10px; font-size: 12px; color: var(--dim);
            border-right: 1px solid var(--line); display: flex; align-items: center; gap: 6px; }
.arr .lbl b { color: var(--ink); font-weight: 500; flex: none; }
.arr .lbl .cli { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.arr .lbl.head { color: var(--dimmer); font-size: 10px; letter-spacing: .12em;
                 text-transform: uppercase; }
.arr .cell { border-right: 1px solid var(--line-soft); padding: 5px 6px; min-height: 30px; }
.arr .cell:last-child { border-right: 0; }
.arr .sec { font-size: 10.5px; color: var(--dim); font-family: var(--mono);
            display: flex; justify-content: space-between; }
.arr .part { background: var(--accent-dim); border-radius: 2px; height: 17px;
             display: flex; align-items: center; padding: 0 6px; font-family: var(--mono);
             font-size: 10px; color: #cdfffb; overflow: hidden; white-space: nowrap; }
.arr .part.audio { background: #5b3f22; color: #ffe2bd; }
.arr .muted .part { opacity: .3; }

/* ---------- agent strip ---------- */
.agent { border: 1px solid var(--line); border-radius: 4px; margin-top: 16px; }
.agent .ahead { display: flex; align-items: center; gap: 8px; padding: 6px 11px;
                border-bottom: 1px solid var(--line-soft); }
.agent .live { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.agent table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 11px; }
.agent td { padding: 3px 11px; color: var(--dim); }
.agent td.t { color: var(--dimmer); width: 62px; }
.agent td.tool { color: var(--accent); }

/* ---------- plan ---------- */
.plan { font-family: var(--mono); font-size: 12px; }
.plan .step { display: flex; gap: 10px; padding: 2px 0; }
.plan .m { width: 12px; flex: none; text-align: center; font-weight: 700; }
.plan .m.add { color: var(--ok); } .plan .m.same { color: var(--dimmer); }
.plan .m.cant { color: var(--warn); } .plan .m.destroy { color: var(--danger); }
.plan .what { min-width: 190px; color: var(--ink); }
.plan .det { color: var(--dim); }

/* ---------- provenance ---------- */
.prov { font-family: var(--mono); font-size: 12px; line-height: 1.75; }
.prov .k { color: var(--dimmer); display: inline-block; width: 92px; }
.prov .v { color: var(--ink); }
.prov .tree { color: var(--accent-dim); }

/* ---------- audition bar ---------- */
.audition {
  grid-area: bar; background: var(--panel); border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px; padding: 0 12px;
}
.audition .play {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  border: 1px solid var(--accent-dim); background: var(--panel-2); color: var(--accent);
  cursor: pointer; display: grid; place-items: center; font-size: 12px;
}
.audition .play:hover { background: var(--accent-dim); color: #eafffd; }
.audition .play:disabled { opacity: .35; cursor: not-allowed; }
.audition .who { width: 190px; flex: none; overflow: hidden; }
.audition .who .n { font-size: 12px; overflow: hidden; text-overflow: ellipsis;
                    white-space: nowrap; }
.audition .who .s { color: var(--dimmer); font-size: 10.5px; font-family: var(--mono); }
.audition .time { font-family: var(--mono); font-size: 11px; color: var(--dim);
                  width: 92px; text-align: right; flex: none; }
.audition .toggle { font-size: 11px; color: var(--dimmer); cursor: pointer;
                    border: 1px solid var(--line); border-radius: 3px; padding: 2px 7px; }
.audition .toggle.on { color: var(--accent); border-color: var(--accent-dim); }

/* ---------- waveform ---------- */
.wave { display: block; width: 100%; cursor: pointer; }
.wave rect.bar { fill: var(--dimmer); }
.wave rect.bar.played { fill: var(--accent); }
.wave line.head { stroke: var(--ink); stroke-width: 1; }

/* ---------- states ---------- */
.empty, .loading, .errbox {
  padding: 40px 24px; color: var(--dim); max-width: 560px;
}
.empty h3, .errbox h3 { color: var(--ink); font-size: 14px; margin: 0 0 6px; font-weight: 600; }
.errbox { color: var(--danger); }
.errbox pre, .empty pre {
  font-family: var(--mono); font-size: 11.5px; color: var(--dim); background: var(--panel-2);
  border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; margin-top: 10px;
  white-space: pre-wrap;
}
.offline {
  background: #3a2418; border: 1px solid #5c3a22; color: #f0c99a;
  padding: 5px 10px; font-size: 11.5px; display: flex; gap: 8px; align-items: center;
}
.signin { padding: 40px 24px; max-width: 420px; display: grid; gap: 10px; color: var(--dim); }
.signin h3 { color: var(--ink); font-size: 14px; margin: 0; font-weight: 600; }
.signin p { margin: 0; }
.signin label { display: grid; gap: 4px; font-size: 11.5px; }
.signin pre {
  font-family: var(--mono); font-size: 11.5px; background: var(--panel-2); margin: 0;
  border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; white-space: pre-wrap;
}
.signin .errbox { padding: 0; }
.cli { color: var(--dimmer); font-family: var(--mono); font-size: 11px; }

/* a sample whose audio has not been rendered yet has no peaks to draw */
.wave.pending { opacity: .5; }
.wave.pending line { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 3; }

/* What the phone made of a capture, under the operator's own words. Dimmer
   and marked, because it is derived rather than said (ADR 0008). */
.quote.made { color: var(--dim); font-style: normal; border-left-color: var(--line); }
.versions li.tried { opacity: .6; }
.versions li.tried .act { color: var(--warn); }