/* ============ NUMB SPACE PROGRAM — UI ============ */
:root {
  --orange: #ff9330;
  --orange-hi: #ffb266;
  --cyan: #39d7ff;
  --green: #5dff8d;
  --red: #ff5d5d;
  --yellow: #ffd75d;
  --bg-glass: rgba(12, 16, 24, 0.78);
  --bg-glass-lite: rgba(20, 26, 38, 0.62);
  --stroke: rgba(255, 255, 255, 0.12);
  --stroke-hi: rgba(255, 147, 48, 0.55);
  --text: #e8eef6;
  --text-dim: #93a1b5;
  --font-head: 'Orbitron', 'Segoe UI', sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #000; }
body { font-family: var(--font-body); color: var(--text); font-size: 16px; }
canvas { display: block; }
#game { position: fixed; inset: 0; }
#ui-root { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
#ui-root > * { pointer-events: auto; }
.hidden { display: none !important; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
::-webkit-scrollbar-thumb { background: rgba(255,147,48,0.4); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,147,48,0.7); }

/* ---------- generic ---------- */
.screen { position: absolute; inset: 0; display: flex; flex-direction: column; }
.panel {
  background: var(--bg-glass);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.06);
}
.btn {
  font-family: var(--font-head); font-size: 14px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--text); background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  border: 1px solid var(--stroke); border-radius: 8px; padding: 11px 22px; cursor: pointer;
  text-transform: uppercase; transition: all .15s ease; position: relative; overflow: hidden;
}
.btn:hover { border-color: var(--stroke-hi); color: var(--orange-hi); box-shadow: 0 0 18px rgba(255,147,48,0.25); transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(180deg, #ff9330, #e0731a); color: #1a0e00; border-color: #ffb266; }
.btn.primary:hover { box-shadow: 0 0 26px rgba(255,147,48,0.55); color: #000; }
.btn.danger { border-color: rgba(255,93,93,0.5); }
.btn.danger:hover { color: var(--red); border-color: var(--red); box-shadow: 0 0 18px rgba(255,93,93,0.3); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.35; pointer-events: none; }
.btn.small { padding: 6px 12px; font-size: 11px; }
.kbd {
  display: inline-block; min-width: 26px; text-align: center; padding: 2px 7px; margin: 0 3px;
  background: rgba(255,255,255,0.09); border: 1px solid var(--stroke); border-bottom-width: 3px;
  border-radius: 5px; font-family: var(--font-head); font-size: 11px; color: var(--orange-hi);
}
input[type=text] {
  font-family: var(--font-head); font-size: 15px; color: var(--text); letter-spacing: 1px;
  background: rgba(0,0,0,0.4); border: 1px solid var(--stroke); border-radius: 8px; padding: 9px 14px; outline: none;
}
input[type=text]:focus { border-color: var(--stroke-hi); }
input[type=range] { accent-color: var(--orange); }
select {
  font-family: var(--font-body); font-weight: 600; font-size: 14px; color: var(--text);
  background: #141a26; border: 1px solid var(--stroke); border-radius: 8px; padding: 8px 12px; outline: none; cursor: pointer;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bob { 0%,100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-12px) rotate(3deg); } }

/* ---------- loading ---------- */
#loading {
  position: fixed; inset: 0; z-index: 100; background: radial-gradient(ellipse at 50% 40%, #101828 0%, #05070c 70%);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
}
.load-numb { animation: bob 1.6s ease-in-out infinite; filter: drop-shadow(0 6px 24px rgba(255,147,48,0.4)); }
.load-title { font-family: var(--font-head); font-size: 30px; font-weight: 900; letter-spacing: 8px; color: var(--orange); text-shadow: 0 0 30px rgba(255,147,48,0.5); }
.load-tip { color: var(--text-dim); font-size: 16px; letter-spacing: 1px; }
.loading-bar { width: 320px; height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
#loading-fill { width: 0%; height: 100%; background: linear-gradient(90deg, var(--orange), var(--yellow)); transition: width .3s ease; border-radius: 3px; }

/* ---------- main menu ---------- */
#menu-screen { justify-content: center; align-items: flex-start; padding-left: 8vw; animation: fadeIn .8s ease; background: linear-gradient(90deg, rgba(3,5,10,0.72) 0%, rgba(3,5,10,0.25) 55%, transparent 100%); }
.logo-block { margin-bottom: 44px; animation: slideUp .8s ease; }
.logo-sub { font-family: var(--font-head); font-size: 15px; font-weight: 500; letter-spacing: 10px; color: var(--cyan); margin-bottom: 6px; }
h1.logo { font-family: var(--font-head); font-size: 56px; font-weight: 900; letter-spacing: 6px; line-height: 1.05; color: #fff; text-shadow: 0 0 40px rgba(255,147,48,0.35); }
h1.logo .accent { color: var(--orange); }
.logo-tag { margin-top: 12px; color: var(--text-dim); font-size: 17px; letter-spacing: 2px; font-weight: 500; }
.menu-buttons { display: flex; flex-direction: column; gap: 12px; width: 300px; animation: slideUp 1s ease; }
.menu-buttons .btn { text-align: left; padding: 14px 24px; font-size: 15px; }
.menu-version { position: absolute; bottom: 18px; left: 8vw; color: var(--text-dim); font-size: 13px; letter-spacing: 1px; }
.menu-save-info { margin-top: 16px; color: var(--text-dim); font-size: 14px; }

/* ---------- modal ---------- */
#modal-root { position: fixed; inset: 0; z-index: 50; pointer-events: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.55); backdrop-filter: blur(4px); pointer-events: auto; animation: fadeIn .2s ease; }
.modal {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  min-width: 380px; max-width: 640px; max-height: 82vh; overflow-y: auto; padding: 28px 32px;
  pointer-events: auto; animation: slideUp .25s ease;
}
.modal h2 { font-family: var(--font-head); font-size: 20px; letter-spacing: 3px; color: var(--orange); margin-bottom: 14px; text-transform: uppercase; }
.modal p { color: var(--text); font-size: 16px; line-height: 1.55; margin-bottom: 10px; white-space: pre-line; }
.modal .dim { color: var(--text-dim); font-size: 14px; }
.modal-buttons { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.setting-row label { font-size: 16px; font-weight: 600; color: var(--text); }

/* ---------- HUD (flight) ---------- */
#hud { position: absolute; inset: 0; pointer-events: none; }
#hud > * { pointer-events: auto; }

#hud-top { position: absolute; top: 0; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; }
#altimeter { padding: 8px 34px 10px; border-radius: 0 0 14px 14px; text-align: center; min-width: 260px; }
#altimeter .alt-value { font-family: var(--font-head); font-size: 26px; font-weight: 700; color: #fff; letter-spacing: 2px; }
#altimeter .alt-label { font-size: 12px; color: var(--text-dim); letter-spacing: 3px; text-transform: uppercase; }
#apsis-readouts { display: flex; gap: 18px; margin-top: 6px; padding: 5px 16px; border-radius: 10px; font-size: 14px; }
#apsis-readouts b { color: var(--cyan); font-family: var(--font-head); font-size: 13px; }
#apsis-readouts span { color: var(--text); font-weight: 600; }

#met-block { position: absolute; top: 12px; left: 14px; padding: 10px 16px; min-width: 190px; }
#met-clock { font-family: var(--font-head); font-size: 18px; color: var(--green); letter-spacing: 2px; }
#met-label { font-size: 11px; color: var(--text-dim); letter-spacing: 2px; }
#warp-bars { display: flex; gap: 3px; margin-top: 7px; align-items: center; }
.warp-chevron { width: 0; height: 0; border-top: 7px solid transparent; border-bottom: 7px solid transparent; border-left: 10px solid rgba(255,255,255,0.14); }
.warp-chevron.on { border-left-color: var(--green); filter: drop-shadow(0 0 4px rgba(93,255,141,0.6)); }
.warp-chevron.phys { border-left-color: var(--yellow); }
#warp-text { margin-left: 8px; font-size: 13px; color: var(--text-dim); font-weight: 600; }
#situation-text { margin-top: 5px; font-size: 13px; color: var(--orange-hi); letter-spacing: 1px; font-weight: 600; }
#body-name-text { font-size: 13px; color: var(--text-dim); }

/* stage list */
#stage-list { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column-reverse; gap: 6px; max-height: 60vh; overflow-y: auto; padding: 8px; }
.stage-item { display: flex; align-items: center; gap: 9px; padding: 6px 10px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid transparent; min-width: 150px; transition: all .2s; }
.stage-item.next { border-color: var(--stroke-hi); background: rgba(255,147,48,0.10); }
.stage-item.spent { opacity: 0.32; }
.stage-num { font-family: var(--font-head); font-size: 15px; color: var(--orange); width: 20px; text-align: center; }
.stage-info { flex: 1; }
.stage-name { font-size: 12.5px; font-weight: 600; color: var(--text); }
.fuel-bar { height: 5px; background: rgba(255,255,255,0.1); border-radius: 3px; margin-top: 3px; overflow: hidden; }
.fuel-fill { height: 100%; background: linear-gradient(90deg, var(--green), #b7ff5d); border-radius: 3px; transition: width .2s linear; }

/* navball cluster */
#navball-cluster { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); display: flex; align-items: flex-end; gap: 10px; padding-bottom: 6px; }
#navball-canvas { position: fixed; z-index: 11; pointer-events: none; }
#navball-frame { width: 218px; height: 218px; border-radius: 50%; position: relative; background: radial-gradient(circle, rgba(10,14,20,0.9) 62%, rgba(10,14,20,0.35) 100%); border: 2px solid var(--stroke); box-shadow: 0 0 34px rgba(0,0,0,0.7), inset 0 0 24px rgba(0,0,0,0.8); }
#speed-tape { position: absolute; top: -46px; left: 50%; transform: translateX(-50%); text-align: center; padding: 5px 22px; border-radius: 10px; white-space: nowrap; }
#speed-value { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: #fff; }
#speed-mode { font-size: 11px; color: var(--cyan); letter-spacing: 2px; text-transform: uppercase; cursor: pointer; }
#throttle-col { display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 10px 8px; border-radius: 12px; }
#throttle-gauge { width: 13px; height: 130px; background: rgba(255,255,255,0.08); border-radius: 7px; overflow: hidden; position: relative; }
#throttle-fill { position: absolute; bottom: 0; width: 100%; background: linear-gradient(180deg, var(--yellow), var(--orange)); border-radius: 7px; }
.gauge-label { font-size: 10px; color: var(--text-dim); letter-spacing: 1px; writing-mode: vertical-rl; }
#gforce-col { display:flex; flex-direction: column; align-items:center; gap:5px; padding: 10px 8px; border-radius: 12px; }
#gforce-gauge { width: 13px; height: 130px; background: rgba(255,255,255,0.08); border-radius: 7px; overflow: hidden; position: relative; }
#gforce-fill { position: absolute; bottom: 0; width: 100%; background: linear-gradient(180deg, var(--red), var(--green)); border-radius: 7px; }
#sas-col { display: flex; flex-direction: column; gap: 6px; }
.sas-btn { width: 46px; height: 34px; border-radius: 8px; border: 1px solid var(--stroke); background: rgba(255,255,255,0.05); color: var(--text-dim); font-family: var(--font-head); font-size: 10px; cursor: pointer; transition: all .15s; }
.sas-btn:hover { border-color: var(--stroke-hi); color: var(--text); }
.sas-btn.on { background: rgba(93,255,141,0.16); border-color: var(--green); color: var(--green); box-shadow: 0 0 12px rgba(93,255,141,0.3); }
.sas-btn.mnv { }

/* resources */
#resource-panel { position: absolute; top: 12px; right: 14px; padding: 12px 16px; min-width: 210px; }
.res-row { display: flex; align-items: center; gap: 10px; margin-bottom: 7px; }
.res-row:last-child { margin-bottom: 0; }
.res-label { font-size: 12px; color: var(--text-dim); width: 78px; letter-spacing: 1px; text-transform: uppercase; font-weight: 600; }
.res-bar { flex: 1; height: 8px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.res-fill { height: 100%; border-radius: 4px; transition: width .2s linear; }
.res-fill.fuel { background: linear-gradient(90deg, #ffd75d, #ff9330); }
.res-fill.elec { background: linear-gradient(90deg, #39d7ff, #5d8dff); }
.res-val { font-size: 12px; color: var(--text); width: 46px; text-align: right; font-weight: 600; }

/* mission panel */
#mission-panel { position: absolute; right: 14px; top: 132px; width: 268px; padding: 14px 16px; max-height: 44vh; overflow-y: auto; }
#mission-panel h3 { font-family: var(--font-head); font-size: 13px; letter-spacing: 2px; color: var(--orange); margin-bottom: 4px; }
#mission-panel .mission-desc { font-size: 13px; color: var(--text-dim); margin-bottom: 10px; line-height: 1.4; }
.objective { display: flex; gap: 9px; align-items: flex-start; padding: 5px 0; font-size: 14px; font-weight: 600; color: var(--text); }
.objective .check { width: 17px; height: 17px; border: 2px solid var(--stroke); border-radius: 5px; flex-shrink: 0; margin-top: 1px; position: relative; transition: all .3s; }
.objective.done { color: var(--green); }
.objective.done .check { background: var(--green); border-color: var(--green); box-shadow: 0 0 10px rgba(93,255,141,0.5); }
.objective.done .check::after { content: '✓'; position: absolute; inset: 0; color: #05230f; font-size: 13px; font-weight: 900; text-align: center; line-height: 16px; }

/* crew portraits */
#crew-panel { position: absolute; bottom: 12px; right: 14px; display: flex; gap: 8px; }
.crew-portrait { width: 86px; padding: 6px; border-radius: 10px; text-align: center; }
.crew-portrait canvas { width: 72px; height: 72px; border-radius: 8px; background: #0a0e14; }
.crew-name { font-size: 11px; color: var(--text); font-weight: 700; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* action buttons */
#action-buttons { position: absolute; bottom: 12px; left: 14px; display: flex; flex-direction: column; gap: 8px; }
.action-btn { display: flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 9px; border: 1px solid var(--stroke); background: var(--bg-glass); color: var(--text); font-family: var(--font-body); font-weight: 700; font-size: 13.5px; cursor: pointer; transition: all .15s; letter-spacing: 0.5px; }
.action-btn:hover { border-color: var(--stroke-hi); color: var(--orange-hi); }
.action-btn.armed { border-color: var(--green); color: var(--green); animation: pulse 1.2s infinite; }
.action-btn .kbd { margin: 0; }

/* toasts */
#toasts { position: absolute; top: 15vh; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; z-index: 30; }
.toast { padding: 10px 26px; border-radius: 10px; font-size: 16px; font-weight: 700; letter-spacing: 1px; background: var(--bg-glass); border: 1px solid var(--stroke); animation: slideUp .3s ease; backdrop-filter: blur(10px); }
.toast.good { border-color: var(--green); color: var(--green); box-shadow: 0 0 24px rgba(93,255,141,0.25); }
.toast.bad { border-color: var(--red); color: var(--red); box-shadow: 0 0 24px rgba(255,93,93,0.25); }
.toast.big { font-size: 22px; padding: 16px 38px; font-family: var(--font-head); }

/* camera hint */
#cam-hint { position: absolute; bottom: 240px; left: 50%; transform: translateX(-50%); font-size: 12px; color: var(--text-dim); letter-spacing: 1px; background: rgba(0,0,0,0.35); padding: 4px 14px; border-radius: 8px; }

/* ---------- map view ---------- */
#map-ui { position: absolute; inset: 0; pointer-events: none; }
#map-ui > * { pointer-events: auto; }
#map-hint { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); font-size: 13px; color: var(--text-dim); background: var(--bg-glass); padding: 7px 18px; border-radius: 10px; border: 1px solid var(--stroke); white-space: nowrap; }
#node-editor { position: absolute; left: 14px; bottom: 70px; width: 250px; padding: 14px 16px; }
#node-editor h3 { font-family: var(--font-head); font-size: 13px; letter-spacing: 2px; color: var(--cyan); margin-bottom: 10px; }
.node-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; gap: 6px; }
.node-row .nlabel { font-size: 13px; font-weight: 700; width: 84px; }
.nlabel.pro { color: var(--yellow); } .nlabel.nrm { color: #d75dff; } .nlabel.rad { color: var(--cyan); } .nlabel.time { color: var(--text-dim); }
.node-btn { width: 30px; height: 26px; border-radius: 6px; border: 1px solid var(--stroke); background: rgba(255,255,255,0.06); color: var(--text); font-weight: 900; cursor: pointer; font-size: 14px; }
.node-btn:hover { border-color: var(--stroke-hi); color: var(--orange-hi); }
.node-val { font-size: 13px; font-weight: 700; color: var(--text); min-width: 62px; text-align: center; }
#node-total { font-size: 14px; margin: 8px 0; color: var(--text); font-weight: 700; }
#node-total b { color: var(--yellow); }
#fc-panel { position: absolute; left: 14px; top: 120px; width: 250px; padding: 14px 16px; }
#fc-panel h3 { font-family: var(--font-head); font-size: 13px; letter-spacing: 2px; color: var(--orange); margin-bottom: 10px; }
#fc-panel .fc-note { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; line-height: 1.35; }
.fc-btn { display: block; width: 100%; margin-bottom: 7px; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--stroke); background: rgba(255,255,255,0.05); color: var(--text); font-weight: 700; font-size: 13px; cursor: pointer; text-align: left; transition: all .15s; font-family: var(--font-body); letter-spacing: 0.5px; }
.fc-btn:hover:not(:disabled) { border-color: var(--stroke-hi); color: var(--orange-hi); }
.fc-btn:disabled { opacity: 0.35; cursor: default; }
.fc-btn.active { border-color: var(--green); color: var(--green); animation: pulse 1.4s infinite; }
#target-info { position: absolute; right: 14px; top: 120px; width: 240px; padding: 14px 16px; }
#target-info h3 { font-family: var(--font-head); font-size: 13px; letter-spacing: 2px; color: var(--cyan); margin-bottom: 8px; }
#target-info .ti-row { display: flex; justify-content: space-between; font-size: 13.5px; padding: 3px 0; font-weight: 600; }
#target-info .ti-row span:first-child { color: var(--text-dim); }

/* ---------- space center ---------- */
#crosshair { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.85); box-shadow: 0 0 6px rgba(0,0,0,0.8); pointer-events: none; }
#interact-prompt { position: absolute; left: 50%; top: 58%; transform: translateX(-50%); padding: 10px 24px; font-size: 16px; font-weight: 700; letter-spacing: 1px; pointer-events: none; animation: fadeIn .2s ease; }
#interact-prompt .kbd { font-size: 13px; }
#sc-header { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 26px; padding: 10px 28px; align-items: center; }
#sc-header .sc-stat { text-align: center; }
#sc-header .sc-stat .v { font-family: var(--font-head); font-size: 17px; color: var(--cyan); }
#sc-header .sc-stat .l { font-size: 11px; color: var(--text-dim); letter-spacing: 2px; text-transform: uppercase; }
#sc-header .sc-title { font-family: var(--font-head); font-size: 15px; letter-spacing: 3px; color: var(--orange); }
#sc-click-hint { position: absolute; left: 50%; bottom: 12vh; transform: translateX(-50%); color: var(--text-dim); font-size: 15px; letter-spacing: 1px; background: var(--bg-glass); padding: 9px 22px; border-radius: 10px; border: 1px solid var(--stroke); }

/* ---------- VAB ---------- */
#vab-screen { background: linear-gradient(180deg, #0b0f17 0%, #10151f 100%); animation: fadeIn .3s ease; }
#vab-top { display: flex; align-items: center; gap: 14px; padding: 12px 18px; background: var(--bg-glass); border-bottom: 1px solid var(--stroke); z-index: 5; }
#vab-top .vab-logo { font-family: var(--font-head); font-size: 16px; letter-spacing: 3px; color: var(--orange); margin-right: 8px; }
#rocket-name { flex: 0 0 300px; }
#vab-main { flex: 1; display: flex; min-height: 0; }
#vab-catalog { width: 320px; display: flex; flex-direction: column; border-right: 1px solid var(--stroke); background: rgba(8,11,17,0.6); }
.part-tabs { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--stroke); }
.tab { flex: 1; min-width: 70px; padding: 10px 4px; text-align: center; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; text-transform: uppercase; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--orange); border-bottom-color: var(--orange); }
#part-list { flex: 1; overflow-y: auto; padding: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.part-card { border: 1px solid var(--stroke); border-radius: 10px; background: rgba(255,255,255,0.04); padding: 8px; cursor: pointer; text-align: center; transition: all .15s; position: relative; }
.part-card:hover { border-color: var(--stroke-hi); background: rgba(255,147,48,0.07); transform: translateY(-2px); }
.part-card canvas { width: 100%; height: 74px; object-fit: contain; }
.part-card .pc-name { font-size: 12px; font-weight: 700; color: var(--text); margin-top: 4px; line-height: 1.2; }
.part-card .pc-info { font-size: 10.5px; color: var(--text-dim); margin-top: 2px; }
.part-card.locked { opacity: 0.38; filter: grayscale(0.8); cursor: default; }
.part-card.locked:hover { transform: none; border-color: var(--stroke); background: rgba(255,255,255,0.04); }
.part-card .lock-badge { position: absolute; top: 6px; right: 8px; font-size: 13px; }
#vab-center { flex: 1; position: relative; min-width: 0; }
#vab-canvas-wrap { position: absolute; inset: 0; }
#vab-hint { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); font-size: 12.5px; color: var(--text-dim); background: rgba(0,0,0,0.4); padding: 5px 16px; border-radius: 8px; white-space: nowrap; }
#vab-right { width: 330px; display: flex; flex-direction: column; border-left: 1px solid var(--stroke); background: rgba(8,11,17,0.6); }
#vab-stack-panel { flex: 1; overflow-y: auto; padding: 14px; border-bottom: 1px solid var(--stroke); }
#vab-stack-panel h3, #vab-stats h3 { font-family: var(--font-head); font-size: 12px; letter-spacing: 2px; color: var(--cyan); margin-bottom: 10px; text-transform: uppercase; }
.stack-item { display: flex; align-items: center; gap: 8px; padding: 7px 10px; margin-bottom: 5px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid transparent; cursor: pointer; font-size: 13.5px; font-weight: 600; }
.stack-item:hover { border-color: var(--stroke); }
.stack-item.selected { border-color: var(--orange); background: rgba(255,147,48,0.1); }
.stack-item .si-type { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-left: auto; }
.stack-item .si-radial { color: var(--cyan); font-size: 11px; }
.stack-tools { display: flex; gap: 6px; margin-top: 8px; }
#vab-stats { padding: 14px; max-height: 46vh; overflow-y: auto; }
.stat-row { display: flex; justify-content: space-between; font-size: 14px; padding: 3.5px 0; font-weight: 600; }
.stat-row span:first-child { color: var(--text-dim); }
.stat-row .warn { color: var(--red); }
.stat-row .ok { color: var(--green); }
.stage-block { border: 1px solid var(--stroke); border-radius: 9px; padding: 8px 12px; margin-bottom: 7px; background: rgba(255,255,255,0.03); }
.stage-block .sb-title { font-size: 12px; font-family: var(--font-head); color: var(--orange); letter-spacing: 1px; margin-bottom: 4px; }
.stage-block .sb-row { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text); padding: 1.5px 0; }
.stage-block .sb-row span:first-child { color: var(--text-dim); }
#launch-btn { margin-left: auto; }

/* ---------- help overlay ---------- */
#help-overlay { position: fixed; inset: 0; z-index: 60; background: rgba(2,4,8,0.88); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; animation: fadeIn .2s; }
.help-box { max-width: 860px; max-height: 86vh; overflow-y: auto; padding: 30px 40px; }
.help-box h2 { font-family: var(--font-head); letter-spacing: 3px; color: var(--orange); margin-bottom: 18px; }
.help-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 40px; }
.help-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; font-size: 14.5px; font-weight: 600; border-bottom: 1px solid rgba(255,255,255,0.05); }
.help-row span:first-child { color: var(--text-dim); }
.help-sec { grid-column: 1 / -1; font-family: var(--font-head); font-size: 12px; color: var(--cyan); letter-spacing: 2px; margin-top: 12px; }

/* misc effects */
#screen-flash { position: fixed; inset: 0; pointer-events: none; z-index: 40; opacity: 0; background: #fff; }
.reentry-vignette { position: fixed; inset: 0; pointer-events: none; z-index: 9; opacity: 0; background: radial-gradient(ellipse at center, transparent 46%, rgba(255,100,20,0.55) 100%); transition: opacity .5s; }

/* ---------- tech tree ---------- */
.tech-tree { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tech-node { border: 1px solid var(--stroke); border-radius: 10px; padding: 12px 14px; background: rgba(255,255,255,0.03); }
.tech-node.unlocked { border-color: rgba(93,255,141,0.45); }
.tech-node.next { border-color: var(--stroke-hi); background: rgba(255,147,48,0.06); }
.tech-node.locked { opacity: 0.5; }
.tech-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.tech-name { font-family: var(--font-head); font-size: 13px; letter-spacing: 1px; color: var(--text); }
.tech-node.unlocked .tech-name { color: var(--green); }
.tech-cost { font-size: 13px; font-weight: 700; color: var(--cyan); }
.tech-blurb { font-size: 13px; color: var(--text-dim); margin-bottom: 6px; line-height: 1.35; }
.tech-items { font-size: 12px; color: var(--text); padding: 2px 0; }
.tech-node .btn { margin-top: 8px; width: 100%; }

/* ---------- mission control ---------- */
.mc-list { display: flex; flex-direction: column; gap: 8px; }
.mc-mission { border: 1px solid var(--stroke); border-radius: 10px; padding: 10px 14px; background: rgba(255,255,255,0.03); }
.mc-mission.done { border-color: rgba(93,255,141,0.4); opacity: 0.75; }
.mc-mission.active { border-color: var(--stroke-hi); background: rgba(255,147,48,0.07); }
.mc-mission.locked { opacity: 0.45; }
.mc-head { display: flex; justify-content: space-between; font-weight: 700; font-size: 15px; }
.mc-mission.done .mc-head { color: var(--green); }
.mc-mission.active .mc-head { color: var(--orange-hi); }
.mc-sci { color: var(--cyan); font-size: 13px; }
.mc-blurb { font-size: 13px; color: var(--text-dim); margin-top: 3px; line-height: 1.35; }
.mc-objs { margin-top: 7px; border-top: 1px solid rgba(255,255,255,0.07); padding-top: 5px; }

/* ---------- observatory ---------- */
.obs-row { display: flex; align-items: center; gap: 14px; padding: 8px 4px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.obs-dot { width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; }
.obs-info { flex: 1; }
.obs-name { font-weight: 700; font-size: 15px; }
.obs-desc { font-size: 13px; color: var(--text-dim); line-height: 1.3; }
.obs-sci { font-size: 13px; font-weight: 700; color: var(--cyan); white-space: nowrap; }

/* ---------- roster ---------- */
.roster-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.roster-card { padding: 10px; text-align: center; }
.roster-card canvas { border-radius: 8px; background: #0a0e14; }
.roster-trait { font-size: 11.5px; color: var(--orange-hi); margin-top: 2px; font-style: italic; }

/* ---------- quick launch list ---------- */
.ql-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.ql-btn { text-align: left; text-transform: none; letter-spacing: 0.4px; font-family: var(--font-body); font-size: 15px; padding: 12px 16px; }

/* ---------- station (Numbula One) ---------- */
#st-header {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 20px; padding: 10px 22px; align-items: center; white-space: nowrap;
}
#st-header .st-title { font-family: var(--font-head); font-size: 15px; letter-spacing: 3px; color: var(--orange); }
#st-header .st-stat { text-align: center; }
#st-header .st-stat .v { font-family: var(--font-head); font-size: 16px; color: var(--cyan); }
#st-header .st-stat .l { font-size: 11px; color: var(--text-dim); letter-spacing: 2px; text-transform: uppercase; }
#st-catalog {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  width: min(860px, 94vw); padding: 10px 14px 8px;
}
#st-tabs { display: flex; gap: 8px; margin-bottom: 8px; }
.st-tab {
  font-family: var(--font-head); font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--text-dim); background: transparent; border: 1px solid var(--stroke);
  border-radius: 6px; padding: 5px 12px; cursor: pointer; transition: all .15s ease;
}
.st-tab:hover { color: var(--orange-hi); border-color: var(--stroke-hi); }
.st-tab.on { color: var(--orange); border-color: var(--orange); background: rgba(255,147,48,0.12); }
#st-parts { display: flex; gap: 8px; flex-wrap: wrap; }
.st-part {
  font-family: var(--font-body); font-size: 13.5px; color: var(--text); text-align: left;
  background: var(--bg-glass-lite); border: 1px solid var(--stroke); border-radius: 8px;
  padding: 7px 11px; cursor: pointer; display: flex; flex-direction: column; gap: 1px;
  transition: all .15s ease;
}
.st-part b { font-weight: 600; }
.st-part .cost { font-size: 11.5px; color: var(--cyan); }
.st-part:hover { border-color: var(--stroke-hi); transform: translateY(-1px); box-shadow: 0 0 14px rgba(255,147,48,0.2); }
.st-part.on { border-color: var(--orange); background: rgba(255,147,48,0.16); box-shadow: 0 0 16px rgba(255,147,48,0.35); }
.st-part.poor { opacity: 0.45; }
.st-part.poor .cost { color: var(--red); }
#st-hint { margin-top: 7px; font-size: 12px; color: var(--text-dim); text-align: center; }

/* ---------- tutorial (Mr. NumbMess) ---------- */
#tut-layer { position: fixed; inset: 0; z-index: 15; pointer-events: none; }
#tut-panel {
  position: absolute; display: flex; gap: 12px; align-items: flex-end;
  width: min(620px, 92vw); padding: 12px 16px; pointer-events: auto;
  border-color: var(--stroke-hi); animation: fadeIn .25s;
}
#tut-panel.tut-pos-bc { bottom: 22px; left: 50%; transform: translateX(-50%); }
#tut-panel.tut-pos-bl { bottom: 22px; left: 18px; }
#tut-mascot-wrap { position: relative; flex: 0 0 auto; }
#tut-mascot { display: block; }
#tut-hardhat-tag {
  position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-head); font-size: 9px; letter-spacing: 2px; color: #1a0e00;
  background: var(--orange); border-radius: 4px; padding: 1px 6px;
}
#tut-content { flex: 1; min-width: 0; }
#tut-name { font-family: var(--font-head); font-size: 13px; letter-spacing: 2px; color: var(--orange); margin-bottom: 4px; }
#tut-name span { font-family: var(--font-body); font-size: 11.5px; letter-spacing: 0.5px; color: var(--text-dim); }
#tut-text { font-size: 15.5px; line-height: 1.42; min-height: 66px; white-space: pre-wrap; }
#tut-controls { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
#tut-prog { margin-left: auto; font-family: var(--font-head); font-size: 10px; letter-spacing: 2px; color: var(--text-dim); }
#tut-highlight {
  position: fixed; border: 2px dashed var(--orange); border-radius: 10px; pointer-events: none;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.18), 0 0 22px rgba(255,147,48,0.55);
  animation: tutPulse 1.1s ease-in-out infinite; transition: all .18s ease;
}
#tut-highlight.round { border-radius: 50%; }
@keyframes tutPulse { 0%, 100% { border-color: var(--orange); } 50% { border-color: var(--yellow); } }
#tut-key-hint {
  position: fixed; bottom: 200px; left: 50%; transform: translateX(-50%);
  animation: tutBounce 0.9s ease-in-out infinite;
}
.kbd.big { font-size: 17px; padding: 7px 16px; border-bottom-width: 4px; box-shadow: 0 0 22px rgba(255,147,48,0.45); }
@keyframes tutBounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-7px); } }

@media (max-width: 1100px) {
  #mission-panel { width: 220px; }
  #vab-catalog { width: 260px; }
  #vab-right { width: 280px; }
  h1.logo { font-size: 42px; }
}