/* ── DESIGN TOKENS ───────────────────────────────────────────────────── */
:root{
  --bg:#ffffff;
  --panel:#f8fafc;
  --panel2:#f1f5f9;
  --brd:#e2e8f0;
  --brd2:#cbd5e1;
  --txt:#0f172a;
  --txt2:#475569;
  --txt3:#94a3b8;
  --red:#dc2626;
  --amb:#d97706;
  --grn:#059669;
  --blu:#2563eb;
  --card-r:5px;
  /* Typography scale */
  --f-xs:8px;
  --f-sm:9px;
  --f-base:11px;
  --f-md:12px;
  --f-lg:15px;
  --f-xl:18px;
  --f-label:9px;
  --f-value:13px;
  --lh:1.4;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg);color:var(--txt);
  font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:var(--f-base);line-height:var(--lh);
  overflow:hidden;height:100vh;display:flex;flex-direction:column;
}

/* ── FORM CONTROLS ───────────────────────────────────────────────────── */
input[type=number],select{
  background:var(--bg);border:1px solid var(--brd2);color:var(--txt);
  padding:2px 6px;border-radius:3px;
  font-family:inherit;font-size:var(--f-base);
  width:64px;text-align:right;
}
select{width:auto;text-align:left}
input[type=number]:focus,select:focus{
  outline:none;border-color:var(--blu);box-shadow:0 0 0 2px rgba(37,99,235,.12);
}
button{
  cursor:pointer;font-family:inherit;
  font-size:var(--f-base);font-weight:600;
  border-radius:4px;padding:4px 10px;border:1.5px solid;
  transition:background .1s,border-color .1s;
}
.btn-go{background:var(--grn);color:#fff;border-color:#047857}
.btn-go:hover{background:#047857}
.btn-sec{background:var(--panel2);color:var(--txt2);border-color:var(--brd2)}
.btn-sec:hover{background:var(--brd)}

/* ── HEADER ─────────────────────────────────────────────────────────── */
#hdr{
  height:75px;background:#fff;border-bottom:2px solid #e85d1a;
  display:flex;align-items:center;gap:10px;padding:0 14px;flex-shrink:0;
  position:relative;
}
.hdr-logo{
  width:170px;height:62px;object-fit:contain;
}
.hdr-brand{display:flex;align-items:center;flex-shrink:0;z-index:1}
.hdr-mid{
  position:absolute;left:0;right:0;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;pointer-events:none;
}
.hdr-title{font-size:13px;font-weight:700;color:var(--txt);letter-spacing:.04em}
.hdr-sub{font-size:var(--f-xs);color:var(--txt3);margin-top:2px}
.hdr-right{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto;z-index:1;min-width:0}
.hdr-clock-wrap{text-align:right;min-width:52px}
.hdr-clock-lbl{font-size:var(--f-xs);color:var(--txt3);text-transform:uppercase;letter-spacing:.1em}
.hdr-clock{font-size:var(--f-xl);font-weight:700;font-variant-numeric:tabular-nums;color:var(--txt);line-height:1}

/* ── PHASE PILL ─────────────────────────────────────────────────────── */
.pill{
  padding:5px 14px;border-radius:6px;
  font-size:10px;font-weight:800;letter-spacing:.12em;border:2px solid;
  text-transform:uppercase;transition:box-shadow .3s,background .3s;
}
/* Modal/small pill variant */
.pill-sm{padding:3px 10px;font-size:var(--f-xs);font-weight:700;border-radius:20px;border-width:1.5px}

.pill-normal{background:#059669;color:#fff;border-color:#047857;box-shadow:0 0 0 0 transparent}
.pill-detect,.pill-confirm{
  background:var(--red);color:#fff;border-color:#b91c1c;
  box-shadow:0 0 10px 2px rgba(220,38,38,.45);
  animation:pill-pulse 1.4s ease-in-out infinite;
}
.pill-tvs{background:var(--blu);color:#fff;border-color:#1d4ed8;box-shadow:0 0 10px 2px rgba(37,99,235,.4)}
.pill-evac{background:#7c3aed;color:#fff;border-color:#6d28d9;box-shadow:0 0 10px 2px rgba(124,58,237,.4)}
.pill-riv{background:var(--amb);color:#fff;border-color:#b45309;box-shadow:0 0 10px 2px rgba(217,119,6,.4)}
.pill-ok{background:#059669;color:#fff;border-color:#047857;box-shadow:0 0 12px 3px rgba(5,150,105,.5)}

@keyframes pill-pulse{
  0%,100%{box-shadow:0 0 8px 2px rgba(220,38,38,.4)}
  50%{box-shadow:0 0 18px 6px rgba(220,38,38,.7)}
}

/* ── OVERVIEW ───────────────────────────────────────────────────────── */
#ov-wrap{background:#ede8e0;border-bottom:1px solid #d4cfc8;padding:3px 10px;flex-shrink:0}
.ov-lbl{font-size:var(--f-xs);color:#475569;text-transform:uppercase;letter-spacing:.07em;margin-bottom:2px}
#ovc{display:block;width:100%;height:48px;border-radius:2px}

/* ── MAIN AREA ───────────────────────────────────────────────────────── */
#main-area{
  flex:1;display:flex;min-height:0;overflow:hidden;
}

/* ── SIDEBAR TOGGLE — always-visible narrow strip, in normal flow ────── */
#sidebar-toggle{
  flex-shrink:0;
  width:36px;
  display:flex;align-items:flex-start;justify-content:center;
  padding-top:14px;
  cursor:pointer;user-select:none;
  background:#fff;
  border-right:1px solid var(--brd);
}
#sidebar-toggle:hover{background:var(--panel)}
#sidebar-toggle .sb-hamburger{display:flex;flex-direction:column;gap:4px}
#sidebar-toggle .sb-hamburger span{
  display:block;width:16px;height:1.5px;
  background:var(--txt2);border-radius:2px;
  transition:background .15s;
}
#sidebar-toggle:hover .sb-hamburger span{background:var(--txt)}

/* ── LEFT SIDEBAR — in normal flow, pushes canvas ───────────────────── */
#sidebar{
  flex-shrink:0;
  width:240px;
  overflow:hidden;
  background:#fff;
  border-right:1px solid var(--brd);
  transition:width .25s ease;
}
#sidebar.sidebar-closed{width:0}

/* Scrollable content area — handles scroll, fixed width prevents jitter */
#sidebar-content{
  width:240px;
  height:100%;
  overflow-y:auto;
  overflow-x:hidden;
}
#sidebar-content::-webkit-scrollbar{width:4px}
#sidebar-content::-webkit-scrollbar-thumb{background:var(--brd2);border-radius:2px}

/* Section */
.sb-section{border-bottom:1px solid var(--brd)}

/* Section header */
.sb-h{
  display:flex;align-items:center;gap:10px;
  padding:0 14px;height:30px;
  background:var(--panel2);white-space:nowrap;
}
.sb-icon{
  font-size:12px;flex-shrink:0;width:16px;text-align:center;color:var(--txt3);
}
.sb-label{
  flex:1;font-size:var(--f-xs);font-weight:700;
  color:var(--txt3);letter-spacing:.1em;text-transform:uppercase;
  white-space:nowrap;overflow:hidden;
  transition:opacity .15s;
}
#sidebar.sidebar-closed .sb-label{opacity:0;pointer-events:none}

/* Section body */
.sb-body{
  padding:10px 14px 12px;
  background:#fff;
}
#sidebar.sidebar-closed .sb-body{display:none}

/* Rows inside sidebar */
.pr{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px}
.pr:last-child{margin-bottom:0}
.pr span{
  font-size:var(--f-sm);color:var(--txt2);
  flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ── CANVAS COLUMN ──────────────────────────────────────────────────── */
#canvas-col{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}

/* ── TUNNEL CANVAS ──────────────────────────────────────────────────── */
#tunnel-outer{flex:1;position:relative;min-height:280px;display:flex;flex-direction:column}
#tunnel-wrap{flex:1;background:#f7f3ed;overflow-x:hidden;overflow-y:auto;cursor:grab}
#tunnel-wrap:active{cursor:grabbing}
#tc{display:block;width:100%}

/* ── MODAL OVERLAY ──────────────────────────────────────────────────── */
#tunnel-modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(2,6,23,0.82);
  z-index:490;backdrop-filter:blur(3px);
}
body.modal-open #tunnel-modal-overlay{display:block}

/* ── MODAL SHELL ────────────────────────────────────────────────────── */
#modal-shell{
  display:none;position:fixed;
  top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:500;width:min(98vw,1400px);max-height:96vh;
  background:var(--bg);border:1.5px solid #3b82f6;border-radius:8px;
  box-shadow:0 8px 60px rgba(59,130,246,0.35);
  flex-direction:column;overflow:hidden;
}
body.modal-open #modal-shell{display:flex}
#modal-hdr{
  display:flex;align-items:center;gap:8px;
  padding:6px 12px;background:var(--panel);
  border-bottom:1px solid var(--brd);flex-shrink:0;
}
.modal-hdr-left{display:flex;align-items:center;gap:7px;flex-shrink:0}
.modal-hdr-mid{flex:1;display:flex;justify-content:center}
.modal-hdr-mid select{background:var(--bg);color:var(--txt);border:1px solid var(--brd2);border-radius:3px;padding:2px 6px;font-size:var(--f-base)}
.modal-hdr-right{display:flex;align-items:center;gap:5px;flex-shrink:0}
#modal-canvas-wrap{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}
#modal-ov-wrap{background:#ede8e0;border-bottom:1px solid #d4cfc8;flex-shrink:0;padding:2px 8px}
#modal-ovc{display:block;width:100%;height:36px}
#modal-tunnel-outer{flex:1;position:relative;min-height:200px;display:flex;flex-direction:column}
#modal-tunnel-wrap{flex:1;background:#f7f3ed;overflow-x:hidden;overflow-y:auto;cursor:grab}
#modal-tunnel-wrap:active{cursor:grabbing}
#modal-tc{display:block;width:100%}
#modal-zoom-bar{position:absolute;top:6px;right:10px;display:flex;gap:4px;align-items:center;
  background:rgba(15,23,42,0.85);border-radius:4px;padding:3px 6px}
#modal-zoom-bar button{padding:2px 7px;font-size:var(--f-base);background:#1e293b;
  border:1px solid #475569;color:#e2e8f0;border-radius:3px;cursor:pointer}
#modal-zoom-bar button:hover{background:#334155}
#modal-zoom-lbl{font-size:var(--f-sm);color:#e2e8f0;min-width:80px}
#modal-pan-wrap{display:flex;align-items:center;gap:7px;padding:3px 10px;
  background:#ede8e0;border-top:1px solid #d4cfc8;flex-shrink:0}
#modal-pan-wrap input[type=range]{flex:1;height:3px;accent-color:var(--blu)}
#modal-bottom{display:flex;gap:0;height:164px;flex-shrink:0;border-top:1px solid var(--brd)}
#modal-kpi{width:360px;flex-shrink:0;padding:6px 10px;border-right:1px solid var(--brd);overflow-y:auto}
#modal-log{flex:1;padding:4px 0;overflow:hidden;display:flex;flex-direction:column}
#modal-evlist{flex:1;overflow-y:auto;padding:0 8px}
.modal-panel-hdr{
  font-size:var(--f-xs);font-weight:700;color:var(--txt3);
  text-transform:uppercase;letter-spacing:.1em;
  margin-bottom:5px;padding-bottom:3px;border-bottom:1px solid var(--brd);
}
.modal-kpi-grid{display:grid;grid-template-columns:1fr auto auto;gap:2px 8px;align-items:baseline}
.modal-kpi-grid .kl{font-size:var(--f-sm);color:var(--txt3)}
.modal-kpi-grid .kv{font-size:var(--f-md);font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.modal-kpi-grid .ku{font-size:var(--f-xs);color:var(--txt3)}

/* ── FULLSCREEN ─────────────────────────────────────────────────────── */
#tunnel-wrap:fullscreen{background:#f7f3ed;width:100%;height:100%;overflow:auto}
#tunnel-wrap:-webkit-full-screen{background:#f7f3ed;width:100%;height:100%;overflow:auto}

/* ── ZOOM BAR ───────────────────────────────────────────────────────── */
#zoom-bar{
  position:absolute;bottom:7px;right:12px;display:flex;gap:4px;align-items:center;
  background:rgba(15,23,42,0.75);border:1px solid #334155;border-radius:4px;
  padding:3px 7px;z-index:20;
}
#zoom-bar button{padding:2px 8px;font-size:var(--f-base);background:#e2ddd6;border:1px solid #a8a29e;color:#1c1917}
#zoom-bar button:hover{background:#334155}
#zoom-lbl{font-size:var(--f-sm);color:#e2e8f0;min-width:80px;font-weight:600}

/* ── PAN SLIDER ─────────────────────────────────────────────────────── */
#pan-wrap{
  background:#ede8e0;border-top:1px solid #d4cfc8;padding:4px 12px;
  flex-shrink:0;display:flex;align-items:center;gap:7px;
}
#pan-sl{flex:1;height:3px;accent-color:var(--blu)}
.pan-lbl{font-size:var(--f-xs);color:#475569;font-weight:600}

/* ── CONTROL PANEL ───────────────────────────────────────────────────── */
#cp-wrap{flex-shrink:0;border-top:1.5px solid var(--brd)}
#cp-wrap{flex-shrink:0;border-top:1.5px solid var(--brd);position:relative}
#params-bar{
  background:var(--panel);
  display:flex;overflow-x:auto;flex-shrink:0;align-items:stretch;
  height:215px;transition:height .22s ease;
}
#params-bar.cp-expanded{height:340px}
/* Left group: Timeline + KPI side by side, equal width, total = right group width */
#cp-left{flex:1;min-width:0;display:flex;border-right:1px solid var(--brd)}
#pg-timeline{flex:1;min-width:120px}
#pg-kpi     {flex:1;min-width:160px}
/* Centre: fixed width, never shrinks */
#pg-status{
  width:220px;flex-shrink:0;background:#fff;display:flex;flex-direction:column;
  border-right:1px solid var(--brd);
}
/* Right group: Event Log, same flex weight as left group */
#cp-right{flex:1;min-width:0;display:flex}
#pg-log{flex:1;min-width:160px}
#pg-status-top{
  display:flex;flex-direction:column;align-items:center;
  gap:7px;padding:0 8px 8px;flex-shrink:0;
}
#pg-status-top .pg-h{width:100%;padding:5px 0;margin-bottom:2px;justify-content:center}
#pg-status-bot{height:68px;flex-shrink:0;display:flex;flex-direction:column}
#pg-status-bot .pg-h{
  padding:4px 8px;font-size:var(--f-xs);font-weight:700;letter-spacing:.15em;
  color:var(--txt2);display:flex;align-items:center;justify-content:center;gap:4px;
  background:var(--panel);flex-shrink:0;
}
.pg-status-body{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;flex:1;padding:4px 8px;
}
.sim-controls{display:flex;gap:6px;justify-content:center}
.sim-controls .btn-go,.sim-controls .btn-sec{padding:6px 16px;font-size:var(--f-base);font-weight:600}
.sim-clock{text-align:center}
.sim-clock .hdr-clock-lbl{font-size:var(--f-xs);color:var(--txt3);text-transform:uppercase;letter-spacing:.1em}
.sim-clock .hdr-clock{font-size:var(--f-xl);font-weight:700;font-variant-numeric:tabular-nums;color:var(--txt);line-height:1}
/* Live indicator dot */
.status-dot{
  display:inline-block;
  width:7px;height:7px;border-radius:50%;
  background:#059669;flex-shrink:0;
  box-shadow:0 0 6px 2px rgba(5,150,105,.5);
  animation:dot-breathe 2s ease-in-out infinite;
  vertical-align:middle;
}
@keyframes dot-breathe{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.6;transform:scale(.8)}
}
/* Pill inside status card */
#pg-status .pill{
  width:100%;text-align:center;
  font-size:11px;padding:7px 10px;
  border-radius:8px;letter-spacing:.14em;
}
#params-bar::-webkit-scrollbar{height:3px}
#params-bar::-webkit-scrollbar-thumb{background:var(--brd2)}
#pg-kpi .pg-body,#pg-log .pg-body{height:calc(100% - 24px);overflow-y:auto}
#pg-kpi #kpi-body{padding:0}

/* ── PARAM CARD (collapsible) ───────────────────────────────────────── */
.pg{
  border-right:1px solid var(--brd);flex-shrink:0;min-width:0;
  display:flex;flex-direction:column;
}
.pg:last-child{border-right:none}
.pg-h{
  display:flex;align-items:center;
  padding:5px 9px 4px;
  font-size:var(--f-xs);font-weight:700;color:var(--txt3);
  text-transform:uppercase;letter-spacing:.1em;
  border-bottom:.5px solid var(--brd);flex-shrink:0;
  background:var(--panel);white-space:nowrap;
}
#params-bar .pg-h:hover{background:var(--brd)}
.pg-toggle{
  font-size:8px;color:var(--txt3);font-weight:400;
  margin-left:4px;flex-shrink:0;transition:transform .2s;line-height:1;
}
.pg.collapsed .pg-toggle{transform:rotate(-90deg)}
.pg-body{padding:5px 9px;flex:1;overflow:hidden;min-width:120px}
.pg.collapsed .pg-body{display:none}
/* ── LEGEND TOOLTIP (navbar) ─────────────────────────────────────────── */
.legend-btn{
  position:relative;display:flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:5px;cursor:default;
  font-size:var(--f-sm);font-weight:600;color:var(--txt2);
  border:1px solid var(--brd);background:var(--panel);
  user-select:none;transition:background .15s;
}
.legend-btn:hover{background:var(--brd);color:var(--txt)}
.legend-tip{
  display:none;position:absolute;top:calc(100% + 8px);right:0;
  background:#fff;border:1px solid var(--brd);border-radius:7px;
  box-shadow:0 6px 24px rgba(0,0,0,.13);padding:10px 12px;
  z-index:600;min-width:200px;
}
.legend-btn:hover .legend-tip{display:block}.leg-tip-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 10px}
.leg{display:flex;align-items:center;gap:5px;font-size:var(--f-sm);color:var(--txt2)}
.lb{display:inline-block;width:18px;height:9px;border-radius:1px}
.lbd{display:inline-block;width:6px;height:14px;border-radius:1px}
.lp{display:inline-block;width:8px;height:8px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}

/* ── TIMELINE ───────────────────────────────────────────────────────── */
.tl-track{height:4px;background:var(--brd);border-radius:2px;margin-bottom:5px;overflow:hidden}
.tl-fill{height:100%;background:linear-gradient(90deg,var(--grn),var(--amb),var(--red));border-radius:2px;transition:width .3s}
.ph-step{
  display:flex;align-items:center;gap:5px;
  font-size:var(--f-sm);color:var(--txt3);
  padding:2px 0;border-bottom:.5px solid var(--brd);
}
.ph-step:last-child{border-bottom:none}
.ph-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;border:1.5px solid var(--brd2);background:var(--brd)}
.ph-step.done .ph-dot{background:var(--grn);border-color:var(--grn)}
.ph-step.active .ph-dot{background:var(--amb);border-color:var(--amb)}
.ph-step.done .ph-lbl{color:var(--grn);font-weight:600}
.ph-step.active .ph-lbl{color:var(--amb);font-weight:600}

/* ── FLOATING WINDOWS ───────────────────────────────────────────────── */
.fwin{
  position:fixed;background:var(--bg);border:1px solid var(--brd2);
  border-radius:var(--card-r);box-shadow:0 4px 20px rgba(0,0,0,.10);
  z-index:300;min-width:200px;user-select:none;
}
.fwin-hdr{
  background:var(--panel);border-bottom:1px solid var(--brd);
  padding:5px 10px;border-radius:var(--card-r) var(--card-r) 0 0;
  font-size:var(--f-xs);font-weight:700;letter-spacing:.1em;color:var(--txt3);
  text-transform:uppercase;cursor:move;
  display:flex;justify-content:space-between;align-items:center;
}
.fclose{cursor:pointer;font-size:13px;color:var(--txt3);line-height:1}
.fclose:hover{color:var(--red)}

/* ── KPI WINDOW (float, hidden by default) ──────────────────────────── */
#kpi-win{right:12px;top:80px;width:216px}
#kpi-body{padding:8px 10px}

/* KPI Group heading */
.kg{
  font-size:var(--f-xs);font-weight:700;color:var(--txt3);
  text-transform:uppercase;letter-spacing:.1em;
  margin:6px 0 3px;padding-bottom:2px;border-bottom:.5px solid var(--brd);
}
.kg:first-child{margin-top:0}
.kg-body{overflow:hidden}

/* KPI Row */
.kr{display:flex;align-items:baseline;gap:4px;margin-bottom:4px}
.kr:last-child{margin-bottom:0}
.kl{
  font-size:var(--f-label);color:var(--txt3);flex:1;
  white-space:nowrap;font-weight:400;
}
.kv{
  font-size:var(--f-value);font-weight:700;
  font-variant-numeric:tabular-nums;min-width:36px;text-align:right;color:var(--txt);
}
.ku{font-size:var(--f-xs);color:var(--txt3);min-width:18px}
.kv-r{color:var(--red)}.kv-a{color:var(--amb)}.kv-g{color:var(--grn)}.kv-b{color:var(--blu)}
.ks{height:1px;background:var(--brd);margin:5px 0}

/* Highlight row on fire values */
.kr.hi-red{background:rgba(220,38,38,.04);border-radius:3px;padding:1px 3px;margin:0 -3px 4px}

/* ── LOG WINDOW (float, hidden by default) ──────────────────────────── */
#log-win{left:10px;bottom:80px;width:310px}
#evlist{padding:3px 0;overflow-y:auto;height:100%}
#evlist::-webkit-scrollbar{width:3px}
#evlist::-webkit-scrollbar-thumb{background:var(--brd2)}
.ev{display:flex;gap:6px;padding:3px 10px;border-bottom:.5px solid var(--brd);font-size:var(--f-sm)}
.ev:last-child{border-bottom:none}
.ev-t{color:var(--txt3);min-width:34px;font-size:var(--f-xs);font-variant-numeric:tabular-nums;font-weight:600}
.ev-msg{color:var(--txt2);line-height:var(--lh)}
.ev-msg.danger{color:var(--red);font-weight:600}
.ev-msg.ok{color:var(--grn);font-weight:600}
.ev-msg.info{color:var(--blu)}

/* ── FLOAT TOGGLE BUTTONS (removed from main UI) ───────────────────── */
#float-btns{display:none}

/* ── CUSTOM FIRE PANEL ──────────────────────────────────────────────── */
#custom-fire-pg .pg-body{background:rgba(37,99,235,.04);border-radius:0 0 4px 0}