:root {
  --bg: #05070d;
  --bg2: #0a0e18;
  --panel: #0d1322;
  --panel2: #111a2c;
  --line: #1b2740;
  --line2: #263553;
  --text: #d5deee;
  --dim: #7f8ca6;
  --cyan: #5fd7ff;
  --cyan-dim: #2a7ea0;
  --amber: #f2b23d;
  --green: #7fd18b;
  --red: #ff6b6b;
  --violet: #c98cff;
  --font-head: "Chakra Petch", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; font-size: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input { font-family: inherit; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 4px; }

/* ---------- layout ---------- */
#app { display: grid; grid-template-columns: 250px 1fr 540px; grid-template-rows: 44px 1fr; height: 100vh; }
#topbar { grid-column: 1 / -1; display: flex; align-items: center; gap: 18px; padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
#topbar .brand { font-family: var(--font-head); font-weight: 700; font-size: 18px; letter-spacing: .2em; color: var(--cyan); text-shadow: 0 0 12px rgba(95,215,255,.45); }
#topbar .brand small { font-size: 10px; color: var(--dim); letter-spacing: .1em; margin-left: 8px; text-shadow: none; }
#station-title { font-family: var(--font-head); font-size: 15px; letter-spacing: .06em; }
#station-title .tier { color: var(--amber); }
#topbar .spacer { flex: 1; }
#topbar .stat { color: var(--dim); font-size: 12px; }
#topbar .stat b { color: var(--text); font-weight: 500; }
#topbar .legacy-pill { border: 1px solid var(--violet); color: var(--violet); padding: 2px 10px; border-radius: 12px; font-size: 12px; }

#left { background: var(--panel); border-right: 1px solid var(--line); overflow-y: auto; padding: 12px; }
#center { position: relative; display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
#right { background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }

/* ---------- left: resources ---------- */
.res-list { display: flex; flex-direction: column; gap: 6px; }
.res { display: grid; grid-template-columns: 10px 1fr auto; grid-template-rows: auto auto; column-gap: 8px; align-items: center; padding: 6px 8px; background: var(--bg2); border: 1px solid var(--line); border-radius: 4px; }
.res.hidden { display: none; }
.res .swatch { width: 10px; height: 10px; border-radius: 2px; grid-row: 1 / 3; }
.res .name { font-size: 11px; color: var(--dim); letter-spacing: .08em; text-transform: uppercase; }
.res .amt { font-size: 15px; font-weight: 500; text-align: right; grid-column: 3; grid-row: 1; }
.res .rate { font-size: 11px; color: var(--dim); text-align: right; grid-column: 3; grid-row: 2; }
.res .rate.neg { color: var(--red); }
.res .rate.pos { color: var(--green); }
.res .sub { font-size: 11px; color: var(--dim); grid-column: 2; grid-row: 2; }
.side-h { font-family: var(--font-head); font-size: 11px; letter-spacing: .2em; color: var(--dim); text-transform: uppercase; margin: 14px 0 6px; }
.bar { position: relative; height: 10px; background: var(--bg2); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.bar > i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--cyan-dim); transition: width .3s; }
.bar.warn > i { background: var(--amber); }
.bar.bad > i { background: var(--red); }
.bar-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--dim); margin-top: 3px; }
.power-eff { font-size: 11px; color: var(--amber); margin-top: 2px; min-height: 16px; }
.mults { font-size: 11px; color: var(--dim); line-height: 1.7; }
.mults b { color: var(--text); font-weight: 500; }

/* ---------- center: viewport ---------- */
#view-wrap { position: relative; flex: 1; min-height: 0; }
#view { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; }
#view-overlay { position: absolute; left: 12px; top: 10px; font-size: 11px; color: var(--dim); pointer-events: none; letter-spacing: .05em; }
#view-overlay b { color: var(--cyan); font-weight: 500; }
#click-float { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.floaty { position: absolute; color: var(--amber); font-weight: 600; font-size: 14px; text-shadow: 0 0 6px rgba(0,0,0,.8); animation: floatUp .9s ease-out forwards; }
@keyframes floatUp { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-40px); } }
#mine-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--line); background: var(--panel); }
#mine-btn {
  flex: 0 0 auto; padding: 12px 26px; font-family: var(--font-head); font-weight: 700; font-size: 16px; letter-spacing: .15em;
  color: #0a0e18; background: linear-gradient(180deg, #ffd27a, var(--amber)); border-radius: 4px;
  box-shadow: 0 0 0 1px #8a5f13, 0 4px 0 #8a5f13, 0 0 18px rgba(242,178,61,.3);
  transition: transform .05s, box-shadow .05s; user-select: none;
}
#mine-btn:active { transform: translateY(3px); box-shadow: 0 0 0 1px #8a5f13, 0 1px 0 #8a5f13; }
#mine-info { color: var(--dim); font-size: 12px; }
#mine-info b { color: var(--amber); font-weight: 500; }
#log { height: 150px; overflow-y: auto; border-top: 1px solid var(--line); background: var(--bg2); padding: 8px 14px; font-size: 12px; }
#log .entry { display: flex; gap: 10px; padding: 1px 0; color: var(--dim); }
#log .entry .t { color: var(--line2); flex: 0 0 auto; }
#log .entry.build { color: var(--text); }
#log .entry.milestone { color: var(--amber); }
#log .entry.tier { color: var(--cyan); }
#log .entry.research { color: #9ad9ee; }
#log .entry.expedition { color: var(--green); }
#log .entry.bad { color: var(--red); }
#log .entry.ach { color: var(--violet); }

/* ---------- right: tabs ---------- */
#tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--bg2); }
#tabs button { flex: 1; padding: 10px 4px; font-family: var(--font-head); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); border-bottom: 2px solid transparent; position: relative; }
#tabs button.on { color: var(--cyan); border-bottom-color: var(--cyan); }
#tabs button.hidden { display: none; }
#tabs button .dot { position: absolute; top: 7px; right: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); display: none; }
#tabs button.alert .dot { display: block; }
#panels { flex: 1; overflow-y: auto; padding: 12px; min-height: 0; }
.panel { display: none; }
.panel.on { display: block; }
.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 12px; color: var(--dim); flex-wrap: wrap; }
.toolbar .seg { display: inline-flex; border: 1px solid var(--line2); border-radius: 4px; overflow: hidden; }
.toolbar .seg button { padding: 4px 10px; color: var(--dim); }
.toolbar .seg button.on { background: var(--cyan-dim); color: #fff; }
.toolbar .spacer { flex: 1; }
.tier-h { display: flex; align-items: baseline; gap: 10px; margin: 14px 0 8px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
.tier-h:first-child { margin-top: 0; }
.tier-h .n { font-family: var(--font-head); font-size: 12px; letter-spacing: .2em; color: var(--amber); }
.tier-h .name { font-family: var(--font-head); font-size: 13px; letter-spacing: .06em; }
.tier-h .lock { margin-left: auto; font-size: 11px; color: var(--dim); }
.card { display: grid; grid-template-columns: 4px 1fr auto; gap: 0 10px; background: var(--bg2); border: 1px solid var(--line); border-radius: 4px; margin-bottom: 6px; padding: 8px 10px 8px 8px; }
.card.locked { opacity: .5; }
.card.locked .buy { visibility: hidden; }
.card .stripe { border-radius: 2px; grid-row: 1 / 4; }
.card .head { display: flex; align-items: baseline; gap: 8px; }
.card .title { font-family: var(--font-head); font-size: 14px; font-weight: 600; letter-spacing: .03em; }
.card .count { color: var(--amber); font-weight: 500; }
.card .tag { font-size: 10px; color: var(--dim); border: 1px solid var(--line2); border-radius: 3px; padding: 0 5px; letter-spacing: .05em; }
.card .desc { color: var(--dim); font-size: 12px; grid-column: 2; }
.card .meta { font-size: 11px; color: var(--dim); grid-column: 2; display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 3px; }
.card .meta b { font-weight: 500; color: var(--text); }
.card .meta .ok { color: var(--green); }
.card .meta .bad { color: var(--red); }
.card .meta .warn { color: var(--amber); }
.card .side { grid-column: 3; grid-row: 1 / 4; display: flex; flex-direction: column; align-items: flex-end; justify-content: center; gap: 4px; min-width: 120px; }
.buy { padding: 6px 12px; border: 1px solid var(--cyan-dim); border-radius: 4px; color: var(--cyan); font-family: var(--font-head); font-weight: 600; font-size: 12px; letter-spacing: .08em; white-space: nowrap; min-width: 110px; text-align: center; }
.buy:hover:not(:disabled) { background: rgba(95,215,255,.1); }
.buy:disabled { border-color: var(--line2); color: var(--dim); cursor: default; }
.buy.amber { border-color: var(--amber); color: var(--amber); }
.buy.amber:hover:not(:disabled) { background: rgba(242,178,61,.1); }
.buy.violet { border-color: var(--violet); color: var(--violet); }
.buy.violet:hover:not(:disabled) { background: rgba(201,140,255,.1); }
.cost { font-size: 11px; text-align: right; line-height: 1.4; }
.cost .c { white-space: nowrap; }
.cost .c.no { color: var(--red); }
.auto { font-size: 10px; color: var(--dim); display: flex; align-items: center; gap: 4px; cursor: pointer; user-select: none; }
.auto input { accent-color: var(--cyan); }
.note { color: var(--dim); font-size: 12px; margin: 6px 0 10px; }
.note b { color: var(--text); font-weight: 500; }
.h2 { font-family: var(--font-head); font-size: 13px; letter-spacing: .15em; color: var(--cyan); text-transform: uppercase; margin: 16px 0 8px; }
.h2:first-child { margin-top: 0; }
.prog { position: relative; height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; margin-top: 6px; grid-column: 2 / 4; }
.prog > i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--green); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; font-size: 12px; }
.kv .k { color: var(--dim); }
.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.ach { background: var(--bg2); border: 1px solid var(--line); border-radius: 4px; padding: 6px 8px; font-size: 11px; color: var(--dim); }
.ach.on { border-color: var(--violet); color: var(--text); }
.ach .n { font-family: var(--font-head); font-weight: 600; font-size: 12px; color: var(--dim); }
.ach.on .n { color: var(--violet); }
.art-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.art { background: var(--bg2); border: 1px solid var(--line); border-radius: 4px; padding: 6px 8px; font-size: 11px; color: var(--dim); }
.art.on { border-color: var(--amber); color: var(--text); }
.art .n { font-family: var(--font-head); font-weight: 600; font-size: 12px; }
.art.on .n { color: var(--amber); }
.settings-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.settings-row input[type=text] { background: var(--bg2); border: 1px solid var(--line2); color: var(--text); padding: 6px 8px; border-radius: 4px; width: 200px; }
textarea { width: 100%; height: 90px; background: var(--bg2); border: 1px solid var(--line2); color: var(--text); font-family: var(--font-mono); font-size: 11px; padding: 6px; border-radius: 4px; resize: vertical; }
.btn { padding: 6px 12px; border: 1px solid var(--line2); border-radius: 4px; color: var(--text); font-size: 12px; }
.btn:hover { border-color: var(--cyan-dim); }
.btn.danger { border-color: #7a2c2c; color: var(--red); }

/* ---------- scoreboard ---------- */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.cat-tabs button { padding: 4px 10px; border: 1px solid var(--line2); border-radius: 3px; color: var(--dim); font-family: var(--font-head); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.cat-tabs button.on { border-color: var(--cyan); color: var(--cyan); background: rgba(95,215,255,.08); }
.board-wrap { overflow-x: auto; }
.board { width: 100%; border-collapse: collapse; font-size: 11.5px; white-space: nowrap; }
.board th { text-align: right; color: var(--dim); font-weight: 500; font-family: var(--font-head); letter-spacing: .08em; font-size: 10px; padding: 4px 6px; border-bottom: 1px solid var(--line2); }
.board td { text-align: right; padding: 4px 6px; border-bottom: 1px solid var(--line); }
.board th:nth-child(1), .board td:nth-child(1) { text-align: left; color: var(--dim); }
.board th:nth-child(2), .board td:nth-child(2) { text-align: left; }
.board td.score { color: var(--amber); font-weight: 600; }
.board tr.me td { background: rgba(95,215,255,.08); color: var(--cyan); }
.board tr.me td.score { color: var(--cyan); }
.board tr.gap td { text-align: center; color: var(--dim); padding: 2px; }

/* ---------- toasts / modals ---------- */
#toasts { position: fixed; right: 552px; bottom: 16px; display: flex; flex-direction: column; gap: 6px; z-index: 50; pointer-events: none; }
.toast { background: var(--panel2); border: 1px solid var(--line2); border-left: 3px solid var(--cyan); padding: 8px 12px; border-radius: 4px; font-size: 12px; max-width: 360px; box-shadow: 0 6px 20px rgba(0,0,0,.5); animation: toastIn .25s ease-out; }
.toast.ach { border-left-color: var(--violet); }
.toast.expedition { border-left-color: var(--green); }
.toast.bad { border-left-color: var(--red); }
.toast.tier { border-left-color: var(--amber); }
.toast .k { font-family: var(--font-head); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }
#modal { position: fixed; inset: 0; background: rgba(3,5,10,.75); display: none; align-items: center; justify-content: center; z-index: 100; backdrop-filter: blur(2px); }
#modal.on { display: flex; }
#modal .box { background: var(--panel); border: 1px solid var(--line2); border-radius: 6px; padding: 22px 26px; width: min(520px, 92vw); box-shadow: 0 20px 60px rgba(0,0,0,.6); }
#modal h2 { font-family: var(--font-head); font-size: 18px; letter-spacing: .1em; color: var(--cyan); margin-bottom: 8px; }
#modal h2.amber { color: var(--amber); }
#modal p { color: var(--dim); margin-bottom: 10px; }
#modal .gains { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; margin: 10px 0 14px; font-size: 13px; }
#modal .gains .k { color: var(--dim); }
#modal .actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- responsive ---------- */
@media (max-width: 1250px) { #app { grid-template-columns: 220px 1fr 440px; } #toasts { right: 452px; } }
@media (max-width: 980px) {
  body { overflow: auto; }
  #app { display: flex; flex-direction: column; height: auto; }
  #topbar { position: sticky; top: 0; z-index: 20; flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 8px 14px; }
  #left { border-right: none; border-bottom: 1px solid var(--line); }
  .res-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  #center { min-height: 60vh; }
  #view-wrap { height: 300px; flex: none; }
  #log { height: 110px; }
  #right { border-left: none; }
  #panels { max-height: none; }
  #toasts { right: 12px; bottom: 12px; }
}