/* ============================================================================
 *  GRIDLOCK — control-room dark theme
 * ========================================================================== */
:root {
  --bg: #04060a;
  --panel: #0c111b;
  --panel2: #111826;
  --line: #1c2738;
  --ink: #dce6f2;
  --dim: #7a8aa0;
  --accent: #7fe3b0;
  --accent2: #5bc0eb;
  --warn: #f0903a;
  --bad: #f0453a;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  background: var(--bg); color: var(--ink);
  font: 13px/1.4 -apple-system, "Segoe UI", system-ui, sans-serif;
  display: grid;
  grid-template-columns: 232px 1fr 296px;
  grid-template-rows: 64px 1fr 50px;
  grid-template-areas:
    "hud hud hud"
    "palette stage inspector"
    "transport transport transport";
}

/* ---- HUD ---- */
#hud {
  grid-area: hud; display: flex; align-items: center; gap: 22px;
  padding: 0 18px; background: linear-gradient(180deg, #0e1524, #0a0f19);
  border-bottom: 1px solid var(--line);
}
.hud-brand { display: flex; flex-direction: column; }
.logo { font-weight: 800; letter-spacing: 1px; font-size: 18px; color: var(--accent); }
.tag { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 2px; }
.hud-clock #clock { font: 600 16px var(--mono); }
.weather { font-size: 11px; color: var(--dim); margin-top: 2px; }

.hud-freq { width: 200px; }
.freq-readout { font: 700 24px var(--mono); line-height: 1; }
.freq-readout .hz { font-size: 12px; color: var(--dim); margin-left: 3px; }
.freq-bar { position: relative; height: 8px; margin-top: 5px; border-radius: 4px;
  background: linear-gradient(90deg, #f0453a 0%, #e8d44d 25%, #43d17a 50%, #e8d44d 75%, #f0453a 100%); }
.freq-zone { position: absolute; left: 44%; width: 12%; top: 0; bottom: 0;
  border-left: 1px solid rgba(255,255,255,.5); border-right: 1px solid rgba(255,255,255,.5); }
.freq-needle { position: absolute; top: -3px; width: 2px; height: 14px; background: #fff;
  left: 50%; box-shadow: 0 0 6px #fff; transition: left .1s linear; }
.freq-cap, .score-cap { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; margin-top: 3px; }

.hud-stats { display: flex; gap: 16px; flex: 1; flex-wrap: wrap; }
.stat { min-width: 70px; }
.stat .v { font: 600 15px var(--mono); }
.stat .k { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; }
.stat .v.warn { color: var(--warn); } .stat .v.bad { color: var(--bad); } .stat .v.good { color: var(--accent); }

.hud-money { text-align: right; min-width: 130px; }
.money { font: 700 18px var(--mono); color: var(--accent); }
.money.bad { color: var(--bad); }
.score-wrap { height: 6px; background: #1c2738; border-radius: 3px; margin-top: 4px; overflow: hidden; }
.score-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); width: 100%; transition: width .3s; }

/* ---- palette ---- */
#palette { grid-area: palette; background: var(--panel); border-right: 1px solid var(--line);
  overflow-y: auto; padding: 10px; }
.pal-section { margin-bottom: 14px; }
.pal-section h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--dim);
  margin-bottom: 7px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
.pal-items { display: flex; flex-direction: column; gap: 6px; }
.pal-item { display: flex; align-items: center; gap: 9px; padding: 8px; border-radius: 8px;
  background: var(--panel2); border: 1px solid transparent; cursor: pointer; transition: .12s; }
.pal-item:hover { border-color: var(--line); transform: translateX(2px); }
.pal-item.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pal-item .pi-glyph { font-size: 20px; width: 26px; text-align: center; }
.pal-item .pi-name { font-weight: 600; font-size: 12px; }
.pal-item .pi-sub { font-size: 10px; color: var(--dim); font-family: var(--mono); }

.line-config label { display: block; font-size: 10px; color: var(--dim); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 8px; }
.line-config select { width: 100%; margin-top: 3px; padding: 6px; border-radius: 6px;
  background: var(--panel2); color: var(--ink); border: 1px solid var(--line); font-size: 12px; }
.line-stat { font: 11px var(--mono); color: var(--accent2); background: var(--panel2);
  padding: 7px; border-radius: 6px; margin-top: 6px; white-space: pre-line; }

/* ---- stage ---- */
#stage { grid-area: stage; position: relative; overflow: hidden; }
#cv { display: block; width: 100%; height: 100%; cursor: crosshair; }
#alerts { position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 6px; align-items: center; pointer-events: none; }
.alert { padding: 7px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
  background: rgba(12,17,27,.92); border: 1px solid var(--line); animation: pop .3s; }
.alert.bad { border-color: var(--bad); color: var(--bad); }
.alert.warn { border-color: var(--warn); color: var(--warn); }
.alert.good { border-color: var(--accent); color: var(--accent); }
@keyframes pop { from { transform: scale(.8); opacity: 0; } }
#hint { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--dim); background: rgba(12,17,27,.8); padding: 6px 14px;
  border-radius: 16px; border: 1px solid var(--line); max-width: 80%; text-align: center; }

/* ---- inspector ---- */
#inspector { grid-area: inspector; background: var(--panel); border-left: 1px solid var(--line);
  overflow-y: auto; padding: 14px; }
.inspect-empty h2 { font-size: 16px; margin-bottom: 8px; }
.inspect-empty p { color: var(--dim); font-size: 12px; margin-bottom: 12px; }
.primer { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.primer li { font-size: 11px; color: var(--dim); padding-left: 14px; position: relative; }
.primer li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }
.primer b { color: var(--ink); }

.insp-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.insp-glyph { font-size: 30px; }
.insp-title { font-size: 16px; font-weight: 700; }
.insp-kind { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 1.5px; }
.insp-blurb { font-size: 11px; color: var(--dim); margin-bottom: 12px; font-style: italic;
  border-left: 2px solid var(--line); padding-left: 8px; }
.insp-rows { display: flex; flex-direction: column; gap: 1px; background: var(--line); border-radius: 8px; overflow: hidden; }
.insp-row { display: flex; justify-content: space-between; padding: 7px 10px; background: var(--panel2); }
.insp-row .rk { color: var(--dim); font-size: 11px; }
.insp-row .rv { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.insp-actions { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.insp-actions button { flex: 1; min-width: 64px; padding: 8px; border-radius: 7px; cursor: pointer;
  background: var(--panel2); border: 1px solid var(--line); color: var(--ink); font-size: 12px; font-weight: 600; transition: .12s; }
.insp-actions button:hover { border-color: var(--accent); }
.insp-actions button.danger:hover { border-color: var(--bad); color: var(--bad); }

/* ---- transport ---- */
#transport { grid-area: transport; display: flex; align-items: center; gap: 10px;
  padding: 0 14px; background: var(--panel); border-top: 1px solid var(--line); }
#transport button { padding: 7px 12px; border-radius: 7px; cursor: pointer; font-weight: 600; font-size: 12px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--ink); transition: .12s; }
#transport button:hover { border-color: var(--accent); }
#transport button.big { background: var(--accent); color: #04221a; border-color: var(--accent); padding: 8px 18px; }
#transport button.big.paused { background: var(--accent); }
.speeds { display: flex; gap: 4px; }
.speeds button.active { background: var(--accent2); color: #042029; border-color: var(--accent2); }
#transport button.toggled { background: var(--accent2); color: #042029; border-color: var(--accent2); }
.grow { flex: 1; }
.legend { display: flex; gap: 12px; font-size: 11px; color: var(--dim); }
.legend i.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }

/* ---- dispatch controls in the inspector ---- */
.disp-box { margin-top: 12px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.disp-box .disp-title { font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--dim); margin-bottom: 8px; }
.mode-toggle { display: flex; gap: 4px; margin-bottom: 8px; }
.mode-toggle button { flex: 1; padding: 6px; border-radius: 6px; cursor: pointer; font-size: 11px; font-weight: 600;
  background: var(--panel); border: 1px solid var(--line); color: var(--dim); }
.mode-toggle button.active { background: var(--accent); color: #04221a; border-color: var(--accent); }
.disp-slider { width: 100%; margin: 4px 0; accent-color: var(--accent); }
.disp-val { display: flex; justify-content: space-between; font: 11px var(--mono); color: var(--ink); }
.disp-hint { font-size: 10px; color: var(--dim); margin-top: 4px; }

/* ---- status strip (live plain-language diagnosis) ---- */
#statusStrip { position: absolute; top: 10px; left: 10px; display: flex; flex-direction: column; gap: 4px;
  max-width: 340px; pointer-events: none; }
.diag { font-size: 11px; padding: 5px 10px; border-radius: 6px; background: rgba(8,12,20,.85); border-left: 3px solid var(--dim);
  color: var(--ink); backdrop-filter: blur(3px); }
.diag.ok { border-left-color: var(--accent); }
.diag.warn { border-left-color: var(--warn); }
.diag.error { border-left-color: var(--bad); }
.diag .dk { color: var(--dim); font-size: 10px; text-transform: uppercase; letter-spacing: 1px; }

/* ---- bottom drawer ---- */
#drawer { position: absolute; left: 0; right: 0; bottom: 0; height: 46%; min-height: 240px;
  background: linear-gradient(180deg, rgba(10,15,24,.97), rgba(8,11,18,.99)); border-top: 1px solid var(--line);
  display: flex; flex-direction: column; transition: transform .25s ease; box-shadow: 0 -12px 30px rgba(0,0,0,.4); }
#drawer.closed { transform: translateY(100%); }
.drawer-tabs { display: flex; align-items: center; gap: 4px; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.dtab { padding: 6px 12px; border-radius: 7px 7px 0 0; cursor: pointer; font-size: 12px; font-weight: 600;
  background: transparent; border: 1px solid transparent; color: var(--dim); }
.dtab:hover { color: var(--ink); }
.dtab.active { background: var(--panel2); border-color: var(--line); color: var(--accent); }
.badge { display: inline-block; min-width: 16px; padding: 0 4px; border-radius: 8px; background: var(--bad); color: #fff;
  font-size: 9px; font-weight: 700; text-align: center; }
.badge:empty { display: none; }
.win-sel { display: flex; gap: 3px; }
.win-sel button { padding: 4px 8px; border-radius: 5px; cursor: pointer; font-size: 11px; background: var(--panel2);
  border: 1px solid var(--line); color: var(--dim); }
.win-sel button.active { color: var(--accent2); border-color: var(--accent2); }
.drawer-close { padding: 4px 10px; border-radius: 6px; cursor: pointer; background: var(--panel2);
  border: 1px solid var(--line); color: var(--ink); font-size: 14px; }
.drawer-body { flex: 1; position: relative; overflow: hidden; }
.tabpane { position: absolute; inset: 0; }
.tabpane.hidden { display: none; }
#chartCv { width: 100%; height: 100%; display: block; }

/* event log */
#eventPane { overflow-y: auto; padding: 8px 10px; }
.ev-filters { display: flex; gap: 6px; margin-bottom: 8px; position: sticky; top: 0; background: rgba(8,11,18,.95); padding-bottom: 6px; }
.ev-filters button { padding: 4px 10px; border-radius: 5px; cursor: pointer; font-size: 11px; background: var(--panel2);
  border: 1px solid var(--line); color: var(--dim); }
.ev-filters button.active { color: var(--ink); border-color: var(--accent); }
.ev-row { display: grid; grid-template-columns: 92px 56px 1fr; gap: 10px; padding: 5px 8px; border-radius: 5px; font-size: 12px;
  border-left: 3px solid var(--dim); margin-bottom: 3px; background: var(--panel2); align-items: center; }
.ev-row.warn { border-left-color: var(--warn); }
.ev-row.error { border-left-color: var(--bad); }
.ev-row .ev-t { font: 11px var(--mono); color: var(--dim); }
.ev-row .ev-cat { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); }
.ev-empty { color: var(--dim); font-size: 12px; padding: 20px; text-align: center; }

/* dispatch board */
#dispatchPane { overflow-y: auto; padding: 10px; }
.dboard-head { font-size: 11px; color: var(--dim); margin-bottom: 8px; }
.dboard-row { display: grid; grid-template-columns: 150px 70px 130px 1fr 140px; gap: 10px; align-items: center;
  padding: 8px 10px; border-radius: 7px; background: var(--panel2); border: 1px solid var(--line); margin-bottom: 5px; }
.dboard-row .dname { font-weight: 600; font-size: 12px; display: flex; align-items: center; gap: 6px; }
.dboard-row .dout { font: 12px var(--mono); }
.dbar { height: 8px; border-radius: 4px; background: rgba(255,255,255,.1); overflow: hidden; }
.dbar > div { height: 100%; }
.dboard-row .dmode { display: flex; gap: 3px; }
.dboard-row .dmode button { padding: 4px 8px; font-size: 10px; border-radius: 5px; cursor: pointer; font-weight: 600;
  background: var(--panel); border: 1px solid var(--line); color: var(--dim); }
.dboard-row .dmode button.active { background: var(--accent); color: #04221a; border-color: var(--accent); }
.dboard-row input[type=range] { width: 100%; accent-color: var(--accent2); }

/* ---- modal ---- */
.modal { position: fixed; inset: 0; background: rgba(2,4,8,.75); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden { display: none; }
.modal-card { width: min(880px, 92vw); max-height: 86vh; display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.modal-head h2 { font-size: 16px; }
.modal-head button { background: var(--panel2); border: 1px solid var(--line); color: var(--ink); border-radius: 6px; padding: 5px 10px; cursor: pointer; }
.modal-body { overflow-y: auto; padding: 18px; font-size: 13px; line-height: 1.6; }
.modal-body h3 { color: var(--accent); margin: 16px 0 6px; font-size: 14px; }
.modal-body h3:first-child { margin-top: 0; }
.modal-body p { color: var(--ink); margin-bottom: 8px; }
.modal-body code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; font-family: var(--mono); font-size: 12px; color: var(--accent2); }
.modal-body .eq { background: #0a0f19; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; margin: 8px 0;
  font-family: var(--mono); font-size: 13px; color: var(--accent2); overflow-x: auto; }
.modal-body ul { margin: 4px 0 8px 18px; color: var(--dim); }
.modal-body li { margin-bottom: 4px; }
.modal-body li b { color: var(--ink); }
.modal-foot { padding: 10px 18px; border-top: 1px solid var(--line); font-size: 11px; color: var(--dim); }
.modal-foot a { color: var(--accent2); }

/* ---- tutorial: locked palette + focus pulse ---- */
.pal-item.locked { opacity: .3; filter: grayscale(.7); cursor: not-allowed; }
.tut-focus { animation: tutpulse 1.25s ease-in-out infinite; border-radius: 8px; position: relative; z-index: 5; }
@keyframes tutpulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(127,227,176,0); }
  50% { box-shadow: 0 0 0 4px rgba(127,227,176,.55); }
}

/* ---- tutorial: coach card ---- */
#coach { position: absolute; left: 12px; bottom: 12px; width: 340px; max-width: 44%;
  background: linear-gradient(180deg, rgba(14,21,34,.98), rgba(9,13,21,.99));
  border: 1px solid var(--accent); border-radius: 12px; padding: 12px 14px; z-index: 30;
  box-shadow: 0 14px 40px rgba(0,0,0,.5); }
#coach.hidden { display: none; }
.coach-head { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; }
.coach-badge { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: #04221a;
  background: var(--accent); padding: 2px 7px; border-radius: 5px; font-weight: 800; }
.coach-ttl { font-weight: 700; font-size: 13px; flex: 1; }
.coach-x { background: var(--panel2); border: 1px solid var(--line); color: var(--ink); border-radius: 6px; padding: 2px 9px; cursor: pointer; }
.coach-obj { font-size: 11px; color: var(--accent2); margin-bottom: 9px; }
.coach-step { font-size: 13px; line-height: 1.55; color: var(--ink); margin-bottom: 11px; }
.coach-step b { color: var(--accent); }
.coach-dots { display: flex; gap: 5px; margin-bottom: 11px; }
.cdot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); transition: .2s; }
.cdot.done { background: var(--accent); }
.cdot.now { background: var(--accent2); box-shadow: 0 0 7px var(--accent2); }
.coach-ctrls { display: flex; align-items: center; gap: 6px; }
.coach-next, .coach-skip { padding: 7px 14px; border-radius: 7px; cursor: pointer; font-weight: 600; font-size: 12px; border: 1px solid var(--line); }
.coach-next { background: var(--accent); color: #04221a; border-color: var(--accent); }
.coach-skip { background: var(--panel2); color: var(--dim); }
.coach-wait { font-size: 11px; color: var(--warn); font-family: var(--mono); }
.coach-mini { background: var(--panel2); border: 1px solid var(--line); color: var(--dim); border-radius: 6px; padding: 5px 9px; cursor: pointer; }
.coach-mini:hover { color: var(--ink); border-color: var(--accent); }

/* ---- tutorial: level select ---- */
.tut-list { display: flex; flex-direction: column; gap: 8px; }
.tut-card { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  background: var(--panel2); border: 1px solid var(--line); cursor: pointer; transition: .12s; }
.tut-card:hover { border-color: var(--accent); transform: translateX(3px); }
.tut-num { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0;
  background: var(--panel); border: 1px solid var(--line); font-weight: 700; color: var(--accent2); }
.tut-info { flex: 1; }
.tut-title { font-weight: 700; font-size: 13px; }
.tut-concept { font-size: 11px; color: var(--dim); }
.tut-go { padding: 6px 14px; border-radius: 7px; background: var(--accent); color: #04221a; border: none; font-weight: 700; cursor: pointer; flex-shrink: 0; }

/* ---- tutorial: completion ---- */
.done-card { width: min(520px, 92vw); text-align: center; }
#tutDoneBody { padding: 26px 22px 10px; }
.done-burst { font-size: 52px; color: var(--accent); line-height: 1; animation: pop .4s; }
.done-card h2 { font-size: 18px; margin: 8px 0; }
.done-concept { color: var(--ink); font-size: 13px; margin-bottom: 6px; }
.done-obj { color: var(--dim); font-size: 12px; }
.done-foot { display: flex; gap: 8px; justify-content: center; }
.done-foot button { padding: 8px 16px; border-radius: 7px; cursor: pointer; background: var(--panel2); border: 1px solid var(--line); color: var(--ink); font-weight: 600; font-size: 12px; }
.done-foot button:hover { border-color: var(--accent); }
.done-foot button.big { background: var(--accent); color: #04221a; border-color: var(--accent); }