/* BIM4DAI - alien-technology minimalist HUD */

:root {
  --bg: #030608;
  --panel: rgba(7, 13, 18, 0.78);
  --line: rgba(108, 242, 255, 0.16);
  --line-strong: rgba(108, 242, 255, 0.45);
  --txt: #c9d7de;
  --dim: #5d7383;
  --acc: #6cf2ff;
  --acc2: #8f7bff;
  --bad: #ff5c7a;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  /* iOS-style glass: translucency + heavy blur/saturation + light hairline */
  --glass-bg: rgba(17, 28, 37, 0.5);
  --glass-line: rgba(255, 255, 255, 0.12);
  --glass: blur(22px) saturate(160%);
  --glass-hi: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; background: var(--bg); }
body {
  font-family: var(--mono);
  color: var(--txt);
  font-size: 12px;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}
#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; outline: none; }

button, input {
  font-family: var(--mono);
  letter-spacing: 0.1em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--txt);
  cursor: pointer;
}
button:hover { border-color: var(--line-strong); color: var(--acc); }
a { color: var(--acc); text-decoration: none; }

/* ------------------------------------------------------------- top bar */
#top {
  position: fixed; top: 0; left: 0; right: 0; height: 54px; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  background: linear-gradient(180deg, rgba(4, 8, 11, 0.9), rgba(4, 8, 11, 0.55) 70%, transparent);
  pointer-events: none;
}
#top > * { pointer-events: auto; }
.brand { display: flex; align-items: center; gap: 10px; }
.mark { width: 20px; height: 20px; color: var(--acc); }
.logo { letter-spacing: 0.34em; font-weight: 600; font-size: 13px; color: #eaf7fb; }
.sep { width: 1px; height: 18px; background: var(--line-strong); }
.proj { letter-spacing: 0.18em; color: var(--dim); font-size: 11px; }

/* --------------------------------------------------------- left drawer */
#left {
  position: fixed; top: 66px; left: 14px; bottom: 108px; width: 302px; z-index: 10;
  display: flex; flex-direction: column;
  background: var(--glass-bg); backdrop-filter: var(--glass);
  border: 1px solid var(--glass-line); border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--glass-hi);
  transform: translateX(-330px); opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
}
#left.open { transform: none; opacity: 1; }
#tabs { display: flex; border-bottom: 1px solid var(--line); }
.tab { flex: 1; padding: 9px 0; font-size: 10px; border: none; border-right: 1px solid var(--line); color: var(--dim); }
.tab:last-child { border-right: none; }
.tab.on { color: var(--acc); box-shadow: inset 0 -1px 0 var(--acc); }
#search {
  margin: 10px; padding: 8px 10px; font-size: 11px; letter-spacing: 0.14em;
  background: rgba(108, 242, 255, 0.04); border: 1px solid var(--line); color: var(--txt); outline: none;
}
#search:focus { border-color: var(--line-strong); }
#tree { flex: 1; overflow-y: auto; padding: 0 6px 10px; }
.row {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 6px; border-bottom: 1px solid rgba(108, 242, 255, 0.05);
  cursor: default;
}
.row:hover { background: rgba(108, 242, 255, 0.05); }
.row.hid { opacity: 0.38; }
.row.solo .nm { color: var(--acc2); }
.eye { border: none; font-size: 9px; color: var(--acc); width: 16px; padding: 0; }
.row.hid .eye { color: var(--dim); }
.nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; cursor: pointer; }
.nm:hover { color: var(--acc); }
.ct { color: var(--dim); font-size: 9px; min-width: 30px; text-align: right; }
.bar { width: 54px; height: 3px; background: rgba(108, 242, 255, 0.1); }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--acc2), var(--acc)); box-shadow: 0 0 6px rgba(108,242,255,.5); }
.pc { color: var(--dim); font-size: 9px; min-width: 30px; text-align: right; }

/* ------------------------------------------------------ selection card */
#card {
  position: fixed; top: 66px; right: 14px; width: 330px; max-height: calc(100vh - 160px); z-index: 10;
  background: var(--glass-bg); backdrop-filter: var(--glass);
  border: 1px solid var(--glass-line); border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--glass-hi);
  padding: 16px 16px 14px;
  display: none; flex-direction: column;
}
#card.open { display: flex; }
#card-close {
  position: absolute; top: 8px; right: 8px; width: 24px; height: 24px;
  border: none; color: var(--dim); font-size: 14px;
}
#card-close:hover { color: var(--bad); }
#card h2 { font-size: 13px; letter-spacing: 0.12em; font-weight: 600; color: #eaf7fb; padding-right: 22px; }
#card .sub { color: var(--acc2); font-size: 9px; letter-spacing: 0.22em; margin: 5px 0 12px; }
#card-props { overflow-y: auto; border-top: 1px solid var(--line); }
.pr { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px solid rgba(108, 242, 255, 0.06); }
.pr span { color: var(--dim); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; }
.pr b { font-weight: 400; font-size: 11px; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; user-select: text; }
#card-status { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 12px; }
#card-status .st {
  padding: 8px 4px; font-size: 9px; letter-spacing: 0.14em;
  border: 1px solid var(--line); color: var(--txt);
}
#card-status .st:first-child { grid-column: span 2; }
#card-status .st:hover { border-color: var(--sc); color: var(--sc); }
#card-status .st.on { border-color: var(--sc); color: var(--sc); box-shadow: 0 0 14px color-mix(in srgb, var(--sc) 30%, transparent) inset; }
.hint { margin-top: 10px; font-size: 8px; letter-spacing: 0.16em; color: var(--dim); }

/* ---------------------------------------------------- bottom toolbar */
/* APS-style: one dark pill, icon clusters split by hairline dividers */
#toolbar {
  position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%);
  z-index: 12; display: flex;
}
.tbg {
  display: flex; align-items: center; gap: 2px; padding: 4px 6px; position: relative;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 14px; backdrop-filter: var(--glass);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), var(--glass-hi);
}
.tbsep {
  width: 1px; height: 24px; margin: 0 7px; flex: none;
  background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
}
.tbw { position: relative; display: flex; }
.tbb {
  width: 40px; height: 40px; border: none; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: #cfdde4; background: transparent; position: relative;
}
.tbb:hover { background: rgba(255, 255, 255, 0.08); color: var(--acc); }
.tbb.on { color: var(--acc); background: rgba(255, 255, 255, 0.06); box-shadow: inset 0 -2px 0 var(--acc); }
.tbb svg { width: 20px; height: 20px; display: block; }
.tbb .fo {
  position: absolute; top: 4px; right: 4px; width: 0; height: 0;
  border-top: 4px solid currentColor; border-left: 4px solid transparent; opacity: 0.35;
}
.tbf {
  position: absolute; bottom: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  display: none; flex-direction: column; gap: 2px; padding: 5px; min-width: 176px;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 12px; backdrop-filter: var(--glass);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), var(--glass-hi);
}
.tbf.open { display: flex; }
.tbf button {
  display: flex; align-items: center; gap: 9px; padding: 8px 11px;
  border: none; border-radius: 7px; font-size: 10px; letter-spacing: 0.16em;
  color: var(--txt); background: transparent; text-align: left; white-space: nowrap;
}
.tbf button:hover { background: rgba(255, 255, 255, 0.08); color: var(--acc); }
.tbf button.on { color: var(--acc); }
.tbf button.on::after { content: '●'; margin-left: auto; font-size: 7px; padding-left: 12px; }
.tbf .fh { padding: 6px 11px 3px; font-size: 8px; letter-spacing: 0.24em; color: var(--dim); }

.mlabel {
  position: fixed; z-index: 11; transform: translate(-50%, -130%);
  padding: 3px 8px; font-size: 10px; letter-spacing: 0.08em; border-radius: 4px;
  background: rgba(4, 8, 11, 0.85); border: 1px solid var(--acc); color: var(--acc);
  pointer-events: none; white-space: nowrap;
}
body.hidecard #card { display: none !important; }

/* ------------------- legend (vertical stack above the crew reporter) */
#legend {
  display: flex; flex-direction: column; align-items: stretch; gap: 4px;
  margin-bottom: 8px;
}
.chip {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 8px; font-size: 8px; letter-spacing: 0.1em;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 8px; backdrop-filter: var(--glass); box-shadow: var(--glass-hi);
}
.chip i { width: 6px; height: 6px; border-radius: 2px; display: inline-block; box-shadow: 0 0 5px currentColor; flex: none; }
.chip b { color: var(--dim); font-weight: 400; margin-left: auto; padding-left: 10px; }
.chip.off { opacity: 0.4; }

/* -------------------------------------- statusline (reported-by crew) */
#statusline {
  position: fixed; right: 14px; bottom: 14px; z-index: 10;
  display: flex; flex-direction: column; align-items: stretch; gap: 4px;
}
.slab { font-size: 7.5px; letter-spacing: 0.24em; color: var(--dim); padding-right: 2px; text-align: right; }
#crew {
  padding: 5px 8px; font-size: 8px; letter-spacing: 0.14em;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 8px; backdrop-filter: var(--glass); box-shadow: var(--glass-hi);
  outline: none; text-transform: uppercase;
}
#crew:focus { border-color: var(--line-strong); }

/* ---------------------------------------------------------------- toast */
#toast {
  position: fixed; top: 64px; left: 50%; transform: translate(-50%, -8px); z-index: 20;
  padding: 8px 16px; font-size: 10px; letter-spacing: 0.18em;
  background: var(--glass-bg); backdrop-filter: var(--glass); border-radius: 9px;
  border: 1px solid var(--acc); color: var(--acc); box-shadow: var(--glass-hi);
  opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.25s;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.show.bad { border-color: var(--bad); color: var(--bad); }

/* ------------------------------------------------------------ hover chip */
#hoverchip {
  position: fixed; z-index: 9; display: none; pointer-events: none;
  padding: 4px 8px; font-size: 10px; letter-spacing: 0.06em;
  background: rgba(4, 8, 11, 0.85); border: 1px solid var(--line); color: #dff4f9;
  max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ----------------------------------------------------------------- boot */
#boot {
  position: fixed; inset: 0; z-index: 50; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s;
}
#boot.gone { opacity: 0; pointer-events: none; }
.boot-box { width: min(430px, 86vw); display: flex; flex-direction: column; align-items: center; }
.boot-mark { width: 46px; height: 46px; color: var(--acc); animation: bootpulse 2.2s infinite; }
@keyframes bootpulse { 50% { opacity: 0.35; filter: drop-shadow(0 0 12px rgba(108,242,255,.9)); } }
.boot-name { margin-top: 14px; font-size: 19px; letter-spacing: 0.52em; text-indent: 0.52em; color: #eaf7fb; }
.boot-tag { margin-top: 6px; font-size: 9px; letter-spacing: 0.3em; color: var(--dim); }
#boot-bar { width: 100%; height: 2px; margin: 26px 0 14px; background: rgba(108, 242, 255, 0.12); }
#boot-bar i { display: block; width: 0; height: 100%; background: var(--acc); box-shadow: 0 0 10px var(--acc); transition: width 0.15s; }
#boot-log { width: 100%; height: 128px; overflow: hidden; font-size: 9px; line-height: 1.9; letter-spacing: 0.14em; color: var(--dim); }
#boot-log .err { color: var(--bad); }
.boot-tip { margin-top: 18px; font-size: 8px; letter-spacing: 0.2em; color: rgba(93, 115, 131, 0.6); text-align: center; }

/* --------------------------------------------------------------- mobile */
@media (max-width: 760px) {
  .proj { display: none; }
  #left { width: min(302px, 84vw); }
  #card { width: min(330px, 92vw); right: 4vw; top: auto; bottom: 104px; max-height: 42vh; }
  #statusline { bottom: 60px; }
  #toolbar { bottom: 8px; max-width: 98vw; overflow-x: auto; scrollbar-width: none; }
  #toolbar::-webkit-scrollbar { display: none; }
  .tbb { width: 36px; height: 36px; }
  .tbb svg { width: 19px; height: 19px; }
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); }
::-webkit-scrollbar-track { background: transparent; }

/* ------------------------------------------------- versions & history */
.vwrap { display: flex; flex-direction: column; gap: 2px; }
.vhead {
  margin: 10px 2px 4px; font-size: 9px; letter-spacing: 0.18em;
  color: var(--dim);
}
.lrow {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px;
  border: 1px solid var(--line); font-size: 10.5px;
}
.lrow .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lrow b { color: var(--acc); font-weight: 500; }
.lrow .ct, .vrow .ct { color: var(--dim); font-size: 9.5px; }
.vrow {
  border: 1px solid var(--line); padding: 6px 8px; margin-top: 4px;
  display: flex; flex-direction: column; gap: 3px;
}
.vrow.cur { border-color: var(--line-strong); box-shadow: inset 2px 0 0 var(--acc); }
.vhead.sc { color: var(--mod, #ffb340); margin-top: 16px; }
.vrow.closed { opacity: 0.5; }
.vtop { display: flex; align-items: center; gap: 8px; font-size: 10.5px; }
.vtop b { color: var(--acc); font-weight: 500; letter-spacing: 0.06em; }
.vtop span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vmsg {
  font-size: 10px; color: var(--txt); opacity: 0.8;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.vfoot { display: flex; align-items: center; gap: 6px; }
.va, .vm, .vr { font-style: normal; font-size: 9.5px; letter-spacing: 0.05em; }
.va { color: #3dffb1; }
.vm { color: #ffb340; }
.vr { color: #ff5470; }
.vbtn {
  margin-left: auto; padding: 3px 9px; font-size: 9px; letter-spacing: 0.14em;
  border: 1px solid var(--line); color: var(--txt); background: transparent;
}
.vbtn + .vbtn { margin-left: 4px; }
.vbtn.on, .vbtn:hover { border-color: var(--line-strong); color: var(--acc); }
.hrow { border-top: 1px dashed var(--line); padding: 5px 0 2px; }
.hchg { font-size: 9.5px; color: var(--dim); margin: 2px 0 0 2px; line-height: 1.5; }
.verpill {
  position: fixed; top: 64px; left: 50%; transform: translateX(-50%);
  z-index: 30; padding: 7px 14px; font-size: 10px; letter-spacing: 0.12em;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 9px; box-shadow: var(--glass-hi);
  color: var(--txt); backdrop-filter: var(--glass);
}
.verpill b { color: var(--acc); font-weight: 500; }
.verpill .rl, #toast .rl { cursor: pointer; text-decoration: underline; margin-left: 8px; }

/* -------------------------------------------------- project switcher */
#proj-btn { border: none; background: none; padding: 2px 4px; display: inline-flex; align-items: baseline; gap: 6px; }
#proj-btn .caret { color: var(--dim); font-size: 9px; transition: color .15s; }
#proj-btn:hover .caret, #proj-btn:hover #project-name { color: var(--acc); }
.brand { position: relative; }
#proj-menu {
  display: none; position: absolute; top: 40px; left: 96px; z-index: 40;
  min-width: 260px; max-height: 60vh; overflow: auto;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  border-radius: 12px; backdrop-filter: var(--glass); padding: 6px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), var(--glass-hi);
}
#proj-menu.open { display: block; }
#proj-menu .it {
  display: block; width: 100%; text-align: left; border: none;
  padding: 9px 12px; border-radius: 6px;
}
#proj-menu .it:hover { background: rgba(108, 242, 255, 0.08); }
#proj-menu .it b { display: block; color: var(--txt); font-weight: 500; letter-spacing: .08em; font-size: 12px; }
#proj-menu .it:hover b { color: var(--acc); }
#proj-menu .it i { display: block; font-style: normal; color: var(--dim); font-size: 10px; letter-spacing: .1em; margin-top: 2px; }
#proj-menu .it.cur b { color: var(--acc); }
#proj-menu .hd { padding: 6px 12px 4px; color: var(--dim); font-size: 9px; letter-spacing: .25em; }
#proj-overlay {
  display: none; position: fixed; inset: 0; z-index: 30;
  background: rgba(3, 6, 8, 0.72); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 70px 16px 24px;
}
#proj-overlay.open { display: flex; }
#proj-overlay .pcard {
  width: min(520px, 94vw); background: var(--glass-bg); backdrop-filter: var(--glass);
  border: 1px solid var(--glass-line); border-radius: 14px; padding: 26px 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), var(--glass-hi);
}
#proj-overlay h2 { color: var(--acc); font-size: 16px; letter-spacing: .14em; font-weight: 600; }
#proj-overlay .rid { color: var(--dim); font-size: 11px; margin: 2px 0 16px; }
#proj-overlay .stat { display: flex; gap: 26px; flex-wrap: wrap; margin: 14px 0; }
#proj-overlay .stat div b { display: block; color: var(--txt); font-size: 16px; }
#proj-overlay .stat div span { color: var(--dim); font-size: 10px; letter-spacing: .18em; }
#proj-overlay .mem { color: var(--dim); font-size: 11px; margin: 10px 0 4px; }
#proj-overlay .mem b { color: var(--txt); font-weight: 500; }
#proj-overlay .note { color: var(--dim); font-size: 11px; border-top: 1px dashed var(--line); margin-top: 14px; padding-top: 12px; line-height: 1.6; }
#proj-overlay .row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
#proj-overlay .row a, #proj-overlay .row button {
  border: 1px solid var(--acc); color: var(--acc); border-radius: 6px;
  padding: 8px 16px; font-size: 11px; letter-spacing: .18em; display: inline-block;
}
#proj-overlay .row .minor { border-color: var(--line); color: var(--dim); }
#proj-overlay .row .minor:hover { color: var(--txt); }