:root {
  --panel: rgba(16, 17, 13, 0.9);
  --panel2: rgba(28, 29, 22, 0.94);
  --edge: rgba(170, 160, 120, 0.26);
  --edge2: rgba(210, 190, 130, 0.45);
  --text: #e2ddcc;
  --dim: #9a937c;
  --accent: #d9a441;
  --ctf: #5aa6ff;
  --rm: #ff5a46;
  --sbw: 232px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%; overflow: hidden; background: #07080a; color: var(--text);
  font: 13px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
  touch-action: none; overscroll-behavior: none;
}
#game, #game canvas { position: fixed; inset: 0; touch-action: none; }
#game canvas { display: block; }

#hud { position: fixed; inset: 0; pointer-events: none; }
#hud .hud-block, #hud button, #overlay, #minimap, #start { pointer-events: auto; }
.hidden { display: none !important; }

button {
  font: inherit; color: var(--text); background: linear-gradient(#3a3a2c, #26271e);
  border: 1px solid var(--edge); border-radius: 4px; padding: 7px 10px; cursor: pointer;
  touch-action: manipulation; text-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
}
button:hover { background: linear-gradient(#4a4936, #2f3024); border-color: var(--edge2); }
button.active { background: linear-gradient(#7a5a1c, #563e12); border-color: var(--accent); color: #fff3d6; }
button.small { padding: 4px 9px; font-size: 12px; }
button:disabled { opacity: 0.45; cursor: default; }
kbd { font: 11px ui-monospace, Menlo, monospace; opacity: 0.6; margin-left: 3px; }

#topbar {
  position: absolute; top: 0; left: 0; right: 0; height: 34px; display: flex; align-items: center; gap: 12px;
  padding: 0 10px; background: linear-gradient(rgba(14, 14, 10, 0.95), rgba(14, 14, 10, 0.78)); border-bottom: 1px solid var(--edge);
}
#topbar .title { font-weight: 800; letter-spacing: 3px; color: var(--accent); }
#topbar .sub { color: var(--dim); font-size: 12px; }
#topbar .spacer { flex: 1; }
#counts { font-weight: 600; letter-spacing: 0.5px; }
#counts .ctf { color: var(--ctf); }
#counts .rm { color: var(--rm); }
b.ax { color: var(--rm); }

#fps, #bench-out {
  position: absolute; top: 42px; left: 10px; padding: 4px 8px; border-radius: 4px;
  background: rgba(0, 0, 0, 0.7); font: 12px ui-monospace, Menlo, monospace; color: #c8f0a0;
}
#bench-out { top: 70px; color: #ffe08a; }
#toast {
  position: absolute; top: 46px; left: calc((100% - var(--sbw)) / 2); transform: translateX(-50%); padding: 6px 14px; border-radius: 4px;
  background: rgba(0, 0, 0, 0.8); border: 1px solid var(--edge2); color: #ffe7b0;
}
#vcursor { position: fixed; left: -16px; top: -16px; width: 32px; height: 32px; pointer-events: none; z-index: 9999; background: no-repeat center / 32px 32px; }
#vcursor.arrow { left: -3px; top: -2px; }
#settings { position: absolute; top: 44px; right: calc(var(--sbw) + 14px); z-index: 25; width: 360px; padding: 10px 14px; display: flex; flex-direction: column; gap: 9px; }
#settings h3 { margin: 0 0 2px; font-size: 13px; letter-spacing: 2px; color: var(--accent); }
#settings .row { display: flex; align-items: center; gap: 8px; font-size: 12px; }
#settings input[type=range] { flex: 1; accent-color: #8dff86; }
#settings small { color: var(--dim); }
#ctx-tip {
  position: absolute; top: 0; left: 0; pointer-events: none; z-index: 30; max-width: 340px; padding: 4px 9px; border-radius: 3px;
  background: rgba(10, 14, 8, 0.88); border: 1px solid #5f8a4a; color: #c8f7b8; font: 12px/1.35 system-ui, -apple-system, sans-serif;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5); white-space: normal;
}
#hint {
  position: absolute; top: 46px; left: calc((100% - var(--sbw)) / 2); transform: translateX(-50%); padding: 7px 14px; border-radius: 4px;
  background: rgba(14, 14, 10, 0.85); border: 1px solid var(--edge); white-space: nowrap; color: var(--text);
}

#bottom-left { position: absolute; left: 10px; bottom: calc(10px + var(--safe-b)); display: flex; flex-direction: column; gap: 6px; max-width: min(460px, calc(100vw - var(--sbw) - 30px)); }
#cmds { display: flex; flex-wrap: wrap; gap: 5px; }
#panel {
  background: var(--panel); border: 1px solid var(--edge); border-radius: 6px; padding: 9px 11px; min-height: 76px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}
#panel .empty { color: var(--dim); text-align: center; padding: 8px 0; }
#panel .card { display: flex; gap: 10px; align-items: center; }
#panel .card img { width: 58px; height: 58px; border-radius: 4px; border: 1px solid var(--edge); }
#panel .info { flex: 1; min-width: 0; }
#panel .uname { font-weight: 700; font-size: 14px; }
#panel .uname.c { color: #cfe2ff; } #panel .uname.a { color: #ffd2c8; }
#panel .urole { color: var(--dim); font-size: 12px; }
#panel .hp { height: 6px; background: rgba(0, 0, 0, 0.6); border-radius: 3px; overflow: hidden; margin: 5px 0 3px; }
#panel .hp i { display: block; height: 100%; }
#panel .hptext { font-size: 12px; color: var(--dim); }
#panel .arms { margin-top: 6px; font-size: 11.5px; color: var(--text); }
#panel .arms div { margin: 1px 0; }
#panel .arms span { color: var(--dim); }
#panel .stats { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 5px; font-size: 11px; color: var(--dim); }
#panel .stats b { color: var(--text); }
#panel .multi-head { margin-bottom: 6px; font-weight: 600; }
#panel .multi-head small { color: var(--dim); font-weight: 400; margin-left: 6px; }
#panel .chips { display: flex; flex-wrap: wrap; gap: 6px; }
#panel .chip { width: 62px; padding: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.04); border: 1px solid transparent; cursor: pointer; text-align: center; }
#panel .chip:hover { border-color: var(--edge2); }
#panel .chip img { width: 40px; height: 40px; display: block; margin: 0 auto; border-radius: 3px; }
#panel .chip span { font-size: 12px; font-weight: 600; }
#panel .chip .hp { margin: 3px 0 0; height: 4px; }

/* ── command sidebar ─────────────────────────────────────────────── */
#sidebar {
  position: absolute; top: 34px; right: 0; bottom: 0; width: var(--sbw); display: flex; flex-direction: column; gap: 6px;
  padding: 8px 8px calc(8px + var(--safe-b)); background: linear-gradient(90deg, rgba(20, 20, 15, 0.92), rgba(26, 26, 20, 0.96));
  border-left: 1px solid var(--edge2); box-shadow: -4px 0 16px rgba(0, 0, 0, 0.5);
}
#sidebar.collapsed { width: auto; bottom: auto; background: transparent; border: 0; box-shadow: none; }
#sidebar.collapsed > :not(.sb-head) { display: none; }
#sidebar.collapsed .sb-faction, #sidebar.collapsed .sb-sub { display: none; }
.sb-head { display: flex; align-items: baseline; gap: 6px; padding: 0 2px; }
.sb-faction { font-weight: 800; letter-spacing: 2px; color: var(--ctf); }
.sb-sub { color: var(--dim); font-size: 11px; flex: 1; }
.sb-toggle { padding: 1px 7px !important; }
#minimap-wrap { position: relative; padding: 4px; background: #0b0c09; border: 1px solid var(--edge2); border-radius: 3px; }
#minimap { width: 100%; aspect-ratio: 1; height: auto; display: block; cursor: pointer; touch-action: none; }
.radar-label { position: absolute; top: 6px; left: 8px; font: 9px ui-monospace, Menlo, monospace; letter-spacing: 2px; color: rgba(140, 220, 140, 0.7); pointer-events: none; }
.sb-res { display: flex; align-items: center; gap: 6px; padding: 0 2px; }
.credits { font: 700 15px ui-monospace, Menlo, monospace; color: var(--accent); flex: 1; letter-spacing: 0.5px; transition: color 0.2s; }
.credits b { color: #ffd98a; }
.credits.flash b { color: #fff3c8; text-shadow: 0 0 6px rgba(255, 210, 120, 0.8); }
.power { position: relative; width: 54px; height: 9px; border: 1px solid var(--edge); border-radius: 2px; background: #111; overflow: hidden; }
.power i { display: block; width: 0; height: 100%; background: #5be35b; transition: width 0.3s; }
.power u { position: absolute; top: -1px; bottom: -1px; width: 2px; background: #fff; box-shadow: 0 0 2px #000; text-decoration: none; }
#power-txt { font: 10px ui-monospace, Menlo, monospace; color: var(--dim); min-width: 56px; text-align: right; }
#power-txt.low { color: #ff6a50; font-weight: 700; animation: blink 0.8s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.sb-tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; }
.sb-tabs .tab { position: relative; padding: 5px 0; font-size: 11px; letter-spacing: 0.3px; }
.sb-tabs .tab.dot::after { content: ''; position: absolute; top: 3px; right: 3px; width: 5px; height: 5px; border-radius: 50%; background: #f2c84b; }
.sb-tabs .tab.readydot::after { content: ''; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: #8dff86; animation: blink 0.7s steps(2) infinite; }
#build-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; overflow-y: auto; min-height: 0; flex: 1; align-content: start; }
.cameo {
  position: relative; height: 66px; border-radius: 3px; border: 1px solid var(--edge); background: #1a1b14 center / cover no-repeat;
  display: flex; align-items: flex-end; justify-content: center; cursor: pointer; overflow: hidden; --p: 0;
}
.cameo:hover { border-color: var(--edge2); filter: brightness(1.12); }
.cameo.locked { cursor: not-allowed; filter: grayscale(0.85) brightness(0.45); }
.cameo.dim { filter: saturate(0.6) brightness(0.7); }
.cameo .prog { position: absolute; inset: 0; pointer-events: none; display: none; background: conic-gradient(transparent calc(var(--p) * 360deg), rgba(0, 0, 0, 0.62) 0); }
.cameo.busy .prog { display: block; }
.cameo.ready { border-color: #8dff86; box-shadow: inset 0 0 10px rgba(141, 255, 134, 0.45); }
.cameo .lbl { width: 100%; font-size: 10px; text-align: center; padding: 2px 2px 3px; background: linear-gradient(transparent, rgba(0, 0, 0, 0.88)); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; position: relative; }
.cameo .cost { position: absolute; top: 2px; left: 3px; font: 9px ui-monospace, Menlo, monospace; padding: 0 3px; border-radius: 2px; background: rgba(0, 0, 0, 0.7); color: #ffd98a; }
.cameo .count { position: absolute; top: 15px; left: 3px; font: 700 11px ui-monospace, Menlo, monospace; color: #fff; text-shadow: 0 1px 2px #000; }
.cameo .state { position: absolute; top: 40%; left: 0; right: 0; transform: translateY(-50%); text-align: center; font: 700 12px ui-monospace, Menlo, monospace; color: #fff; text-shadow: 0 1px 3px #000, 0 0 4px #000; pointer-events: none; }
.cameo.ready .state { color: #a8ff9f; animation: blink 0.7s steps(2) infinite; }
.cameo .state.stall { color: #ff7a60; }
.cameo .state.lockr { font: 9px -apple-system, sans-serif; color: #f2c84b; padding: 0 3px; line-height: 1.15; white-space: normal; }
.cameo .x { position: absolute; top: 1px; right: 2px; width: 16px; height: 16px; line-height: 16px; text-align: center; font-size: 10px; border-radius: 2px; background: rgba(0, 0, 0, 0.75); color: #ff9a80; cursor: pointer; }
.cameo .x:hover { background: #7a2418; color: #fff; }
.sb-foot { display: flex; gap: 5px; }
.sb-foot button { flex: 1; }
body.placing #game canvas { cursor: crosshair !important; }
#panel .bact { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: 7px; }
#panel .bact small { color: var(--dim); }
#panel b.bad { color: #ff6a50; } #panel b.good { color: #8dff86; }

/* ── start screen ────────────────────────────────────────────────── */
#start {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 5;
  background: radial-gradient(ellipse at 50% 35%, rgba(60, 54, 38, 0.55), rgba(5, 6, 5, 0.97) 70%), repeating-linear-gradient(45deg, #0b0c0a 0 6px, #0e0f0c 6px 12px);
}
.st-box { width: min(760px, 94vw); text-align: center; padding: 26px 30px; background: rgba(16, 17, 13, 0.88); border: 1px solid var(--edge2); border-radius: 8px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7); }
.st-title { font-size: 46px; font-weight: 900; letter-spacing: 12px; color: var(--accent); text-shadow: 0 2px 0 #000; }
.st-sub { color: var(--dim); margin: 2px 0 14px; }
.st-label { margin: 14px 0 6px; font-size: 11px; letter-spacing: 2px; color: var(--dim); text-transform: uppercase; }
.st-factions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fcard { text-align: left; padding: 12px 14px; border-radius: 6px; background: linear-gradient(#24251c, #17180f); }
.fcard.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), inset 0 0 18px rgba(217, 164, 65, 0.15); background: linear-gradient(#2e2c1e, #1c1b11); }
.fc-name { font-weight: 900; letter-spacing: 3px; font-size: 18px; }
.fc-name.c { color: var(--ctf); } .fc-name.a { color: var(--rm); }
.fc-desc { color: var(--dim); font-size: 12px; margin: 4px 0 8px; line-height: 1.4; }
.fc-icons { display: flex; gap: 4px; flex-wrap: wrap; }
.fc-icons img { width: 40px; height: 40px; border-radius: 3px; border: 1px solid var(--edge); }
.st-diff { display: inline-flex; gap: 6px; }
.st-diff button { min-width: 110px; }
.st-go { margin-top: 18px; display: flex; gap: 10px; justify-content: center; }
#btn-start { font-size: 16px; font-weight: 800; letter-spacing: 2px; padding: 11px 26px; background: linear-gradient(#8a6420, #5a3f12); border-color: var(--accent); color: #fff3d6; }
#btn-start:hover { background: linear-gradient(#a07428, #6a4a16); }
.st-tip { margin-top: 14px; color: var(--dim); font-size: 12px; }

#help {
  position: absolute; top: 50%; left: calc((100% - var(--sbw)) / 2); transform: translate(-50%, -50%); width: min(860px, 92vw); max-height: 86vh; overflow: auto;
  background: rgba(14, 14, 10, 0.96); border: 1px solid var(--edge2); border-radius: 6px; padding: 16px 20px;
}
#help h2 { margin: 0 0 8px; color: var(--accent); letter-spacing: 2px; font-size: 16px; }
#help h3 { margin: 6px 0; font-size: 13px; color: var(--ctf); }
#help .cols { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
#help ul { margin: 0; padding-left: 18px; }
#help li { margin: 3px 0; }
#help .tip { color: var(--dim); margin: 10px 0 0; }

#overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; }
#overlay .end { text-align: center; background: var(--panel2); border: 1px solid var(--edge2); border-radius: 6px; padding: 26px 40px; }
#end-title { font-size: 44px; font-weight: 900; letter-spacing: 8px; }
#end-title.win { color: #8dff86; }
#end-title.lose { color: var(--rm); }
#end-sub { margin: 6px 0; }
#end-stats { color: var(--dim); margin-bottom: 16px; line-height: 1.6; }
#end-stats b { color: var(--text); }

#loading {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: #07080a; color: var(--dim); pointer-events: auto;
}
#loading .title { font-size: 34px; font-weight: 900; letter-spacing: 10px; color: var(--accent); }

.touch-only { display: none; }
@media (pointer: coarse) {
  :root { --sbw: 196px; }
  .touch-only { display: inline-block; }
  button { padding: 10px 13px; }
  .cameo { height: 58px; }
  .cameo .x { width: 22px; height: 22px; line-height: 22px; font-size: 12px; }
  kbd { display: none; }
  #hint { white-space: normal; width: 60vw; text-align: center; }
}
@media (max-width: 900px) { #help .cols { grid-template-columns: 1fr; } #topbar .sub { display: none; } .st-factions { grid-template-columns: 1fr; } .st-title { font-size: 32px; letter-spacing: 6px; } }

/* ── Milestone 2.6: three nations, modes, upgrades, research, elites ─────────────────────────── */
.st-box { width: min(980px, 96vw); max-height: 96vh; overflow-y: auto; }
.st-factions { grid-template-columns: 1fr 1fr 1fr; }
.fc-head { display: flex; gap: 10px; align-items: center; }
.fc-head .flag { width: 56px; height: 35px; border-radius: 3px; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6); }
.fc-bloc { color: var(--dim); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.fc-desc b { color: var(--text); font-weight: 600; } .fc-desc i { color: #d9b86a; font-style: normal; font-size: 11px; }
.st-modes { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.st-modes button { display: inline-flex; flex-direction: column; align-items: center; gap: 3px; min-width: 150px; padding: 6px 10px; }
.st-modes button.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.st-modes .mflags { display: inline-flex; align-items: center; gap: 3px; font-size: 10px; color: var(--dim); }
.st-modes .mflags img { width: 24px; height: 15px; border-radius: 2px; }
.st-summary { margin-top: 12px; font-size: 13px; color: var(--dim); }
#panel .uname.g { color: #ffe6a8; }
#panel .uname .vet, #panel .vet { color: #ffd060; letter-spacing: -1px; }
#panel .uname .lvl { font-size: 11px; padding: 0 5px; border-radius: 3px; background: rgba(255, 208, 96, 0.18); color: #ffd060; margin-left: 4px; }
#panel .lvls div { opacity: 0.92; }
#panel button.up { border-color: #c9a23a; color: #ffe2a0; }
#panel button.res { border-color: #3a8fc9; color: #bfe6ff; }
#panel .resbox { display: flex; flex-direction: column; gap: 3px; margin-top: 4px; width: 100%; }
#panel .resbox div { font-size: 11px; }
.cameo.elite { border-color: #9a7a2a; }
.cameo .star { position: absolute; top: 2px; right: 3px; font-size: 11px; color: #ffd060; text-shadow: 0 1px 2px #000; }
.sb-faction { text-shadow: 0 1px 0 #000; }
@media (max-width: 900px) { .st-factions { grid-template-columns: 1fr; } .st-modes button { min-width: 120px; } }