:root {
  --bg: #070b14;
  --bg2: #0c1322;
  --panel: #111a2c;
  --panel2: #16213a;
  --line: #22304d;
  --text: #d8e2f2;
  --muted: #7d8ba6;
  --accent: #5ec8ff;
  --accent2: #2b8fd6;
  --good: #5fd39a;
  --bad: #ff6b6b;
  --warn: #f5b94a;
  --ore: #c9a27e;
  --silicon: #7fd3e8;
  --hydrogen: #8fe07a;
  --energy: #f5d04a;
  --head: 'Chakra Petch', 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background-color: var(--bg);
  background-image: radial-gradient(ellipse at 20% -10%, #12254a 0%, transparent 55%), radial-gradient(ellipse at 110% 110%, #2a1636 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  font: 14px/1.45 Inter, 'Segoe UI', sans-serif;
}
.hidden { display: none !important; }
h1, h2, h3, h4, .logo, button, .tab { font-family: var(--head); }
h1 { font-size: 24px; margin: 0 0 16px; letter-spacing: .5px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
h1 .sub { font-size: 13px; color: var(--muted); font-family: Inter, sans-serif; font-weight: 400; }
h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); margin: 0 0 10px; }
h2:not(:first-child) { margin-top: 18px; }
h3 { margin: 0; font-size: 16px; }
h4 { margin: 0 0 6px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.bad { color: var(--bad) !important; }
em { font-style: normal; }

/* ---------- buttons & inputs ---------- */
button {
  background: linear-gradient(180deg, var(--accent2), #1d6aa6);
  color: #fff; border: 1px solid #3aa3ec; border-radius: 6px;
  padding: 7px 14px; font-size: 13px; font-weight: 600; letter-spacing: .4px; cursor: pointer;
}
button:hover:not(:disabled) { filter: brightness(1.15); }
button:disabled { opacity: .4; cursor: not-allowed; }
button.ghost { background: transparent; border-color: var(--line); color: var(--text); }
button.ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
button.sm { padding: 3px 9px; font-size: 12px; }
button.big { width: 100%; padding: 12px; font-size: 15px; margin-top: 14px; }
button.danger { background: #7a2430; border-color: #b23a4a; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; font-size: 12px; cursor: pointer; }
input, select, textarea {
  background: var(--bg2); color: var(--text); border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 8px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
input[type=number] { width: 90px; }
textarea { width: 100%; margin-top: 10px; font-family: monospace; font-size: 11px; }

/* ---------- layout ---------- */
#app { display: flex; flex-direction: column; height: 100vh; }
header {
  display: flex; align-items: center; gap: 16px; padding: 10px 18px;
  background: rgba(8, 13, 24, .92); border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 18px; letter-spacing: 2px; white-space: nowrap; }
.logo span { color: var(--accent); }
#planetSel { max-width: 240px; }
#resbar { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
#clock { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 12px; }
#menuBtn { display: none; }
.res { display: flex; gap: 8px; align-items: center; cursor: default; }
.res-icon { width: 22px; height: 22px; border-radius: 5px; background: currentColor; opacity: .9; box-shadow: 0 0 10px currentColor; }
.res-ore { color: var(--ore); } .res-silicon { color: var(--silicon); } .res-hydrogen { color: var(--hydrogen); } .res-energy { color: var(--energy); }
.res-ore .res-icon { clip-path: polygon(50% 0, 100% 40%, 80% 100%, 20% 100%, 0 40%); }
.res-silicon .res-icon { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.res-hydrogen .res-icon { border-radius: 50%; }
.res-energy .res-icon { clip-path: polygon(55% 0, 15% 55%, 45% 55%, 35% 100%, 85% 40%, 55% 40%); }
.res-sprite { width: 24px; height: 24px; image-rendering: pixelated; flex: none; }
.res-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.res-val { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.res-val.full { color: var(--bad); }
.res-rate { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
#alert { display: none; background: #5a1520; color: #ffd6d6; text-align: center; padding: 6px; font-weight: 600; border-bottom: 1px solid #a33; animation: pulse 1.6s infinite; }
#alert.show { display: block; }
@keyframes pulse { 50% { background: #7a1c2a; } }

.body { display: flex; flex: 1; min-height: 0; }
nav { width: 170px; padding: 14px 10px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; background: rgba(8, 13, 24, .6); overflow-y: auto; }
nav button { background: transparent; border: 1px solid transparent; text-align: left; color: var(--muted); padding: 9px 12px; font-size: 14px; display: flex; justify-content: space-between; align-items: center; }
nav button:hover { color: var(--text); background: var(--panel); filter: none !important; }
nav button.on { color: var(--accent); background: var(--panel); border-color: var(--line); box-shadow: inset 3px 0 0 var(--accent); }
.badge { background: var(--bad); color: #fff; border-radius: 9px; padding: 0 6px; font-size: 11px; min-width: 18px; text-align: center; }
main { flex: 1; overflow-y: auto; padding: 22px 26px 60px; }

.panel { background: linear-gradient(180deg, var(--panel), rgba(17, 26, 44, .7)); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 > .panel { margin-bottom: 0; }
.grid2 + .panel, .grid2 + section { margin-top: 16px; }
.warn, .info { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.warn { background: rgba(245, 185, 74, .12); border: 1px solid rgba(245, 185, 74, .4); color: var(--warn); }
.info { background: rgba(94, 200, 255, .08); border: 1px solid rgba(94, 200, 255, .3); }
.row-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.scroll-x { overflow-x: auto; }

/* ---------- tables ---------- */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 7px 8px; border-bottom: 1px solid rgba(34, 48, 77, .5); vertical-align: middle; }
.tbl.small td { padding: 3px 6px; font-size: 12px; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.mine td { background: rgba(94, 200, 255, .06); }
.tbl tr.hostile td { background: rgba(255, 80, 80, .12); }
.tbl tr.foreign td { background: rgba(245, 185, 74, .06); }
.tbl input[type=number] { width: 100px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: currentColor; margin-right: 7px; }

/* ---------- overview ---------- */
h1 .link { font-size: 12px; }
.planet-panel { display: flex; gap: 20px; align-items: center; }
.planet-art {
  --t: 20; flex: none; width: 130px; height: 130px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, hsl(calc(200 - var(--t) * .8), 60%, 70%), hsl(calc(200 - var(--t) * .8), 55%, 35%) 45%, hsl(calc(220 - var(--t) * .8), 60%, 10%) 75%);
  box-shadow: 0 0 40px hsla(calc(200 - var(--t) * .8), 80%, 50%, .35), inset -18px -10px 30px rgba(0, 0, 0, .6);
}
.planet-big { flex: none; width: 128px; height: 128px; image-rendering: pixelated; }
.planet-icon { flex: none; width: 32px; height: 32px; image-rendering: pixelated; }
.pcell { display: flex; align-items: center; gap: 10px; }
.planet-icon.ghost { opacity: 0.55; filter: saturate(0.5); }
.galaxy tr.empty:hover td { opacity: 1; }
.facts {display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.activity { display: flex; flex-direction: column; gap: 8px; }
.act-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 8px 10px; background: var(--bg2); border-radius: 6px; }
.act-k { width: 120px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.act-row .cd { color: var(--accent); font-variant-numeric: tabular-nums; margin-left: auto; }
.act-row button { margin-left: 4px; }
.mission { font-family: var(--head); font-size: 12px; padding: 2px 8px; border-radius: 4px; border: 1px solid currentColor; white-space: nowrap; }
.m-attack { color: #ff7a7a; } .m-transport { color: #7fd3e8; } .m-deploy { color: #a0a8ff; } .m-espionage { color: #f5d04a; } .m-colonize { color: #8fe07a; } .m-recycle { color: #c9a27e; }
.fleets .cd { color: var(--accent); }

/* ---------- building groups ---------- */
.bgroup { margin-bottom: 26px; }
.bgroup-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; padding-bottom: 8px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.bgroup-head h2 { margin: 0 !important; }
.bgroup-info { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; font-variant-numeric: tabular-nums; color: var(--muted); }
.bgroup-info b { font-weight: 600; }
.bgroup-info .good { color: var(--good); }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.card.locked { opacity: .55; }
.card.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 0 18px rgba(94, 200, 255, .2); }
.card-top { display: flex; gap: 12px; align-items: center; }
.icon {
  --h: 200; flex: none; width: 44px; height: 44px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--head); font-weight: 700; font-size: 15px; color: #fff;
  background: linear-gradient(135deg, hsl(var(--h), 55%, 42%), hsl(calc(var(--h) + 40), 55%, 22%));
  border: 1px solid hsla(var(--h), 70%, 70%, .4);
}
.icon.sprite { width: 48px; height: 48px; background: #16213a; border: 1px solid var(--line); clip-path: none; }
.icon.sprite img { width: 48px; height: 48px; image-rendering: pixelated; display: block; }
.icon-r { border-radius: 50%; }
.icon-s { clip-path: polygon(50% 0, 100% 80%, 75% 100%, 25% 100%, 0 80%); border-radius: 0; }
.icon-d { clip-path: polygon(0 25%, 50% 0, 100% 25%, 100% 100%, 0 100%); border-radius: 0; }
.lvl { color: var(--muted); font-size: 12px; }
.desc { margin: 0; color: var(--muted); font-size: 13px; flex: 1; }
.effect { margin: 0; font-size: 12px; color: var(--good); }
.cost { display: flex; gap: 12px; flex-wrap: wrap; font-variant-numeric: tabular-nums; font-weight: 600; }
.cost-item i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: currentColor; margin-right: 5px; }
.cost-item { display: inline-flex; align-items: center; }
.cost-sprite { width: 12px; height: 12px; image-rendering: pixelated; margin-right: 5px; }
.inline-res { display: inline-block; vertical-align: -2px; margin-right: 7px; }
.ri-hydrogen { width: 11px; height: 11px; border-radius: 50%; background: var(--hydrogen); box-shadow: 0 0 5px var(--hydrogen); }
.ri-energy { width: 12px; height: 12px; background: var(--energy); clip-path: polygon(55% 0, 15% 55%, 45% 55%, 35% 100%, 85% 40%, 55% 40%); }
.cost-item.res-ore i { background: var(--ore); }
.cost-item.res-silicon i { background: var(--silicon); }
.cost-item.res-hydrogen i { background: var(--hydrogen); width: 11px; height: 11px; border-radius: 50%; box-shadow: 0 0 5px var(--hydrogen); }
.cost-item.short { color: var(--bad) !important; }
.time { font-size: 12px; color: var(--muted); }
.eta { font-size: 12px; color: var(--warn); }
.eta::before { content: '⧗ '; }
.eta.stuck { color: var(--bad); }
.reqs { font-size: 12px; color: var(--warn); }
.reqs span { display: inline-block; margin: 2px 6px 0 0; padding: 1px 6px; border-radius: 4px; background: rgba(245, 185, 74, .1); }
.reqs em { color: var(--muted); }
.card-act { display: flex; gap: 6px; align-items: center; }
.card-act > button:last-child { margin-left: auto; }
.unit-act input { width: 80px; }
.building-now { color: var(--accent); font-family: var(--head); }
.stats { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }

/* ---------- fleet ---------- */
.coords { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.coords label, .speed { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.coords input { width: 80px; }
.pos-select { max-width: 260px; }
.target-name { margin: 8px 0 4px; min-height: 20px; }
.missions { display: flex; flex-wrap: wrap; gap: 8px; }
.mradio { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.mradio input { accent-color: var(--accent); }
.cargo { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; align-items: flex-start; }
.cargo label { display: flex; align-items: center; gap: 8px; }
.cargo input { width: 120px; }
.summary { margin-top: 14px; padding: 12px; background: var(--bg2); border-radius: 8px; border: 1px solid var(--line); }
.tag { font-size: 10px; padding: 1px 6px; border-radius: 4px; background: #2a3346; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; font-family: var(--head); }
.tag.you { background: rgba(94, 200, 255, .2); color: var(--accent); }
.tag.ai { background: rgba(255, 122, 122, .12); color: #ff9a9a; }
.debris { color: var(--ore); font-size: 12px; }

/* ---------- galaxy ---------- */
.gnav { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.gnav label { display: flex; gap: 6px; align-items: center; }
.gnav input { width: 70px; }
.galaxy tr.empty td { opacity: .65; }
.gact { white-space: nowrap; text-align: right; }
.gact button { margin-left: 3px; }
.planet-dot { --t: 20; display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; vertical-align: -1px; background: hsl(calc(200 - var(--t) * .8), 60%, 55%); }

/* ---------- messages ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.tab { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.tab.on { color: var(--accent); border-color: var(--accent); }
.spacer { flex: 1; }
.msgs { padding: 6px; }
.msg { border-bottom: 1px solid var(--line); }
.msg:last-child { border-bottom: 0; }
.msg-head { display: flex; gap: 12px; padding: 10px; cursor: pointer; align-items: baseline; }
.msg-head:hover { background: var(--panel2); }
.msg.unread .mtitle { font-weight: 700; color: #fff; }
.mtype { width: 64px; flex: none; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-family: var(--head); }
.t-combat .mtype { color: #ff7a7a; } .t-spy .mtype { color: var(--energy); } .t-alert .mtype { color: var(--warn); } .t-fleet .mtype { color: var(--silicon); }
.mtitle { flex: 1; }
.mtime { color: var(--muted); font-size: 12px; white-space: nowrap; }
.msg-body { padding: 4px 14px 16px 86px; }
.msg-body p { margin: 6px 0; }
.res-line { display: flex; gap: 18px; flex-wrap: wrap; font-weight: 600; margin: 8px 0; }
.ut-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 8px; }
.ut { margin-bottom: 8px; }
h4.side { color: var(--text); text-transform: none; letter-spacing: 0; font-size: 14px; }

.help ul { margin: 0; padding-left: 18px; } .help li { margin-bottom: 6px; }

/* ---------- new game ---------- */
#newgame { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.ng-card { width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; gap: 12px; box-shadow: 0 20px 80px rgba(0, 0, 0, .5); }
.ng-card label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.ng-card input, .ng-card select { font-size: 14px; padding: 9px; text-transform: none; letter-spacing: 0; }
.big-logo { font-size: 30px; text-align: center; }
.ng-card p { text-align: center; margin: 0 0 8px; }

/* ---------- toast ---------- */
.toast { position: fixed; bottom: 22px; left: 50%; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; background: var(--panel2); border: 1px solid var(--accent); padding: 10px 18px; border-radius: 8px; transition: .25s; z-index: 50; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.bad { border-color: var(--bad); color: #ffd0d0; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; }
  header { gap: 10px; padding: 8px 12px; }
  #resbar { order: 5; flex-basis: 100%; gap: 12px; }
  #clock { display: none; }
}
@media (max-width: 700px) {
  #menuBtn { display: block; padding: 6px 10px; }
  nav { position: fixed; top: 0; left: 0; bottom: 0; z-index: 40; transform: translateX(-100%); transition: transform .2s; background: var(--bg2); width: 200px; }
  body.nav-open nav { transform: none; }
  main { padding: 16px 16px 60px; }
  .planet-panel { flex-direction: column; align-items: flex-start; }
  .msg-body { padding-left: 14px; }
  .galaxy .gact button { padding: 2px 6px; }
  .res-rate { display: none; }
}