:root {
  --bg: #0d100e;
  --panel: rgba(22, 27, 23, 0.92);
  --panel-solid: #171c18;
  --panel-edge: #3a4436;
  --panel-hi: #4d5a47;
  --text: #e4e2d6;
  --dim: #a3a596;
  --accent: #e0a43a;
  --accent-dim: #8a6a2c;
  --good: #8fd468;
  --warn: #e3c341;
  --bad: #ef6a55;
  --font: Bahnschrift, "DIN Alternate", "Roboto Condensed", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: default;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.panel-title {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.dim { color: var(--dim); }
.bad { color: var(--bad); }

.btn {
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: linear-gradient(#323b30, #262d25);
  border: 1px solid var(--panel-hi);
  border-radius: 3px;
  padding: 6px 12px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.small { padding: 3px 8px; font-size: 12px; }
.btn.ghost { background: transparent; }
.btn.active { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: linear-gradient(#b9832b, #8a5f1c); border-color: #e7b45a; color: #1a140a; font-weight: 700; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.big { font-size: 18px; padding: 10px 20px; letter-spacing: 0.06em; }

/* ---------- HUD ---------- */
#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  display: none;
}
#hud > * { pointer-events: auto; }

.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  border-radius: 0;
  border-width: 0 0 1px 0;
}
.res-list { display: flex; gap: 14px; flex: 1; min-width: 0; }
.res { display: flex; align-items: center; gap: 6px; font-size: 15px; font-variant-numeric: tabular-nums; cursor: default; }
.res-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.65);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.25);
}
.pop-icon { background: #cfd6c3; }
.res.pop.warn .res-value { color: var(--warn); }
.res-value { min-width: 34px; }
.age { color: var(--accent); font-size: 13px; letter-spacing: 0.04em; white-space: nowrap; }
.clock { font-variant-numeric: tabular-nums; color: var(--dim); min-width: 44px; }
.speed { display: flex; gap: 3px; }

.hud-objectives {
  position: absolute;
  top: 50px;
  right: 12px;
  width: 300px;
  padding: 10px 12px;
}
.obj { display: grid; grid-template-columns: 16px 1fr; column-gap: 6px; margin: 4px 0; font-size: 13px; }
.obj-mark { color: var(--dim); }
.obj-progress { grid-column: 2; font-size: 11px; color: var(--dim); }
.obj.done .obj-text { color: var(--good); text-decoration: line-through; text-decoration-color: rgba(143, 212, 104, 0.5); }
.obj.done .obj-mark { color: var(--good); }
.obj-sub { margin-top: 8px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); }

.hud-notes {
  position: absolute;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 60vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none !important;
}
.note {
  pointer-events: auto;
  background: rgba(16, 20, 17, 0.88);
  border-left: 3px solid var(--dim);
  padding: 5px 12px;
  border-radius: 3px;
  font-size: 13px;
  transition: opacity 0.6s;
  max-width: 100%;
}
.note.warn { border-color: var(--warn); }
.note.danger { border-color: var(--bad); color: #ffd4cc; }
.note.success { border-color: var(--good); }
.note.clickable { cursor: pointer; }
.note.fade { opacity: 0; }

.hud-hint {
  position: absolute;
  top: 50px;
  left: 12px;
  max-width: calc(100vw - 340px);
  overflow: hidden;
  text-overflow: ellipsis;
  background: rgba(16, 20, 17, 0.9);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  padding: 5px 12px;
  border-radius: 3px;
  font-size: 13px;
  display: none;
  white-space: nowrap;
  pointer-events: none !important;
}

.hud-paused {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 42px;
  letter-spacing: 0.3em;
  color: rgba(228, 226, 214, 0.85);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
  display: none;
  pointer-events: none !important;
}

.idle-btn {
  position: absolute;
  left: 12px;
  bottom: 152px;
  display: none;
  border-color: var(--warn);
  color: var(--warn);
}

.hud-bottom {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  pointer-events: none !important;
}
.hud-bottom > .panel { pointer-events: auto; }
.sel-panel { width: 440px; min-height: 130px; padding: 10px; }
.sel-panel.empty, .cmd-panel.empty { visibility: hidden; }
.sel-head { display: flex; gap: 12px; }
.portrait { width: 56px; height: 56px; background: #222a21; border: 1px solid var(--panel-edge); border-radius: 3px; flex: none; }
.sel-info { flex: 1; min-width: 0; }
.sel-name { font-size: 16px; color: var(--accent); margin-bottom: 4px; }
.hpbar { height: 7px; background: #0b0d0b; border: 1px solid #000; border-radius: 2px; overflow: hidden; }
.hpfill { height: 100%; width: 100%; background: var(--good); }
.hptext { font-size: 11px; color: var(--dim); margin: 2px 0 4px; font-variant-numeric: tabular-nums; }
.sel-line { font-size: 13px; line-height: 1.35; overflow: hidden; text-overflow: ellipsis; }
.sel-line.dim { font-size: 12px; }
.sel-grid { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.sel-cell { width: 38px; height: 44px; padding: 0; background: #222a21; border: 1px solid var(--panel-edge); border-radius: 3px; cursor: pointer; }
.sel-cell:hover { border-color: var(--accent); }
.mini { width: 32px; height: 32px; display: block; margin: 2px auto 0; }
.mini-hp { height: 4px; margin: 2px 3px; background: #000; }

.cmd-panel {
  display: grid;
  grid-template-columns: repeat(4, 78px);
  gap: 6px;
  padding: 10px;
}
.cmd {
  position: relative;
  height: 78px;
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(#2c3429, #20261f);
  border: 1px solid var(--panel-hi);
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 4px;
}
.cmd:hover { border-color: var(--accent); }
.cmd.unaffordable { opacity: 0.55; }
.cmd.unaffordable .cmd-label { color: var(--bad); }
.cmd.order { justify-content: center; }
.cmd.danger { border-color: #7a3a31; }
.cmd-icon { width: 46px; height: 46px; }
.cmd-label { font-size: 11px; text-align: center; line-height: 1.1; }
.cmd-key {
  position: absolute;
  top: 3px;
  right: 4px;
  font-size: 10px;
  color: var(--accent);
}

.tooltip {
  position: fixed;
  display: none;
  max-width: 300px;
  background: rgba(12, 15, 13, 0.97);
  border: 1px solid var(--accent-dim);
  border-radius: 3px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.45;
  pointer-events: none !important;
  z-index: 30;
}
.tooltip b { color: var(--accent); font-size: 13px; }
.cost { color: var(--c); margin-right: 6px; white-space: nowrap; }

/* ---------- Debug ---------- */
#debug { position: fixed; left: 12px; top: 52px; z-index: 20; display: none; }
.debug { width: 340px; padding: 10px; font-size: 12px; }
.debug-stats { margin: 0 0 6px; font-family: Consolas, monospace; font-size: 11px; white-space: pre-wrap; color: #cfe3c4; }
.debug-sub { margin: 8px 0 4px; color: var(--dim); text-transform: uppercase; font-size: 10px; letter-spacing: 0.1em; }
.debug-row { display: flex; flex-wrap: wrap; gap: 4px; }
.debug-warn { margin: 4px 0 0; padding-left: 16px; color: var(--warn); font-size: 11px; }

/* ---------- Menus ---------- */
#menu {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(20, 26, 20, 0.8), rgba(5, 7, 5, 0.95));
  z-index: 40;
}
.menu-card {
  width: min(560px, 92vw);
  max-height: 92vh;
  overflow: auto;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.menu-card.small { width: min(340px, 92vw); align-items: stretch; text-align: center; }
.menu-card.error { width: min(760px, 94vw); }
.menu-title { font-size: 24px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.menu-title.big { font-size: 40px; font-weight: 700; text-shadow: 0 2px 0 #4a3510; }
.menu-sub { color: var(--dim); letter-spacing: 0.08em; }
.briefing { border-left: 3px solid var(--accent-dim); padding: 4px 12px; background: rgba(0, 0, 0, 0.2); }
.brief-label { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
.brief-name { font-size: 18px; color: var(--text); margin: 2px 0; }
.briefing p { margin: 4px 0; color: var(--dim); line-height: 1.45; }
.menu-form { display: grid; gap: 10px; }
.field { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 10px; }
.field.check { grid-template-columns: 20px 1fr; cursor: pointer; }
.field input[type="text"], .field select {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: #0f130f;
  border: 1px solid var(--panel-hi);
  border-radius: 3px;
  padding: 6px 8px;
  width: 100%;
  -webkit-user-select: text;
  user-select: text;
}
.seed-wrap { display: flex; gap: 6px; }
.controls summary { cursor: pointer; color: var(--accent); }
.controls ul { margin: 6px 0 0; padding-left: 18px; color: var(--dim); line-height: 1.6; font-size: 13px; }
.menu-foot { font-size: 11px; }
.error-list { margin: 0; padding-left: 18px; color: #ffc7bd; font-family: Consolas, monospace; font-size: 12px; line-height: 1.5; -webkit-user-select: text; user-select: text; }
.end-reason { color: var(--dim); line-height: 1.5; margin: 0; }
.end.victory .menu-title { color: var(--good); }
.end.defeat .menu-title { color: var(--bad); }
.end-stats { display: grid; gap: 6px; }
.stat { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); padding-bottom: 4px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.noscript { padding: 24px; }

/* ---------- Phase 2: civilizations, production, technologies ---------- */
.good { color: var(--good); }
.civ { display: flex; align-items: center; gap: 6px; font-size: 13px; white-space: nowrap; cursor: default; margin-left: auto; }
.hud-top .res-list { flex: none; }
.cmd.locked { opacity: 0.4; }
.cmd-panel.compact { grid-template-columns: repeat(5, 62px); gap: 5px; }
.cmd-panel.compact .cmd { height: 62px; padding: 3px; }
.cmd-panel.compact .cmd-icon { width: 32px; height: 32px; }
.cmd-panel.compact .cmd-label { font-size: 10px; }
@media (max-width: 1280px) { .civ .civ-name { display: none; } }
.civ-swatch { width: 12px; height: 12px; border-radius: 2px; display: inline-block; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5); flex: none; }

.menu-card.main { width: min(760px, 94vw); }
.civ-pick { display: grid; gap: 8px; }
.civ-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.civ-card {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: #1c221b;
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  padding: 7px 10px;
  cursor: pointer;
  text-align: left;
}
.civ-card:hover { border-color: var(--panel-hi); }
.civ-card.active { border-color: var(--accent); background: #2a2a1c; }
.civ-detail { background: rgba(0, 0, 0, 0.2); border-radius: 3px; padding: 8px 12px; font-size: 13px; }
.civ-detail p { margin: 4px 0; color: var(--dim); line-height: 1.4; }
.civ-spec { color: var(--accent); }
.civ-mods { margin: 4px 0; padding-left: 18px; line-height: 1.5; }
.civ-unique { color: var(--dim); font-size: 12px; margin-top: 3px; }

.queue { display: flex; align-items: center; gap: 4px; margin-top: 8px; flex-wrap: wrap; min-height: 20px; }
.queue-label { font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 2px; }
.queue-item { position: relative; width: 36px; height: 40px; padding: 0; background: #222a21; border: 1px solid var(--panel-edge); border-radius: 3px; cursor: pointer; }
.queue-item:hover { border-color: var(--bad); }
.queue-icon { width: 32px; height: 32px; display: block; margin: 1px auto 0; }
.queue-bar { height: 3px; margin: 1px 3px; background: #000; }
.queue-fill { height: 100%; width: 0; background: var(--accent); }
.queue-note { font-size: 12px; margin-left: 4px; }
.cmd.busy { opacity: 0.6; border-color: var(--accent-dim); }

#techtree {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 7, 5, 0.6);
  z-index: 35;
}
.tech-panel { width: min(980px, 96vw); max-height: 88vh; overflow: auto; padding: 16px 18px; }
.tech-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.tech-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.tech-col { display: flex; flex-direction: column; gap: 6px; }
.tech-group { margin-top: 6px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); }
.tech-card {
  text-align: left;
  font-family: var(--font);
  color: var(--text);
  background: #1d231c;
  border: 1px solid var(--panel-edge);
  border-left: 4px solid var(--panel-hi);
  border-radius: 3px;
  padding: 7px 10px;
  cursor: default;
  font-size: 12px;
  line-height: 1.4;
}
.tech-card.available { border-left-color: var(--accent); cursor: pointer; }
.tech-card.available:hover { border-color: var(--accent); }
.tech-card.available.blocked { cursor: default; border-left-color: var(--accent-dim); }
.tech-card.researching, .tech-card.queued { border-left-color: #6fb3e0; }
.tech-card.completed { border-left-color: var(--good); opacity: 0.75; }
.tech-card.locked { opacity: 0.55; }
.tech-name { font-size: 14px; color: var(--accent); }
.tech-card.completed .tech-name { color: var(--good); }
.tech-unique { margin-left: 6px; font-size: 10px; padding: 1px 5px; border-radius: 2px; background: var(--accent-dim); color: #1a140a; vertical-align: middle; }
.tech-desc { color: var(--dim); }
.tech-effects { margin: 3px 0; }
.tech-status { margin-top: 3px; font-size: 11px; color: var(--text); }
.tech-card.locked .tech-status, .tech-card.blocked .tech-status { color: var(--bad); }

/* ---------- Phase 3: combat ---------- */
.cmd.active { border-color: var(--accent); color: var(--accent); background: linear-gradient(#3b3a24, #27281b); }
.cmd.stance .cmd-label { font-size: 11px; }

/* ---------- Phase 4: missions and exploration ---------- */
.brief-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.mission-pick {
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: #0f130f;
  border: 1px solid var(--panel-hi);
  border-radius: 3px;
  padding: 3px 6px;
}

/* ---------- Phase 5: ages, build tabs and the campaign ---------- */
.age { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; cursor: default; }
.age-bar { display: block; width: 100%; height: 3px; background: rgba(0,0,0,0.5); border-radius: 2px; overflow: hidden; }
.age-fill { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.2s linear; }
.age.ready .age-label { color: #f2d77a; text-shadow: 0 0 6px rgba(242,215,122,0.45); }
.cmd.advance { border-color: #8a6a2c; background: linear-gradient(#3a3320, #262217); }
.cmd.advance .cmd-label { font-size: 10px; color: #f2d77a; }
.cmd-tabs { grid-column: 1 / -1; display: flex; gap: 4px; }
.cmd-tab {
  flex: 1;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text-dim, #a9a48f);
  background: #1a2019;
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  padding: 3px 0;
  cursor: pointer;
}
.cmd-tab:hover { border-color: var(--accent); }
.cmd-tab.active { color: var(--accent); border-color: var(--accent); background: #2a2a1c; }
.brief-meta { font-size: 12px; color: var(--accent); margin: 2px 0 4px; }
.brief-rewards { font-size: 12px; color: #9fd37a; margin-top: 4px; }
.civ-card.locked { opacity: 0.55; }
.civ-lock { margin-left: auto; font-size: 11px; }
.civ-locked { font-size: 12px; margin-bottom: 4px; }
.campaign .field { margin: 6px 0; }
.end-unlocked { margin-top: 10px; }
.end-unlocked ul { margin: 4px 0 0; padding-left: 18px; }
.end-unlocked li { font-size: 13px; }

/* ---------- Phase 6: minimap, save slots and audio ---------- */
.minimap { padding: 4px; flex: none; }
.minimap canvas { display: block; cursor: crosshair; image-rendering: pixelated; border: 1px solid #000; }
.idle-btn { bottom: 212px; }
.save-list { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.save-slot { display: grid; grid-template-columns: 1fr auto auto; gap: 6px; align-items: center; padding: 6px 8px; border: 1px solid var(--panel-edge); border-radius: 3px; background: #161b15; }
.save-slot .slot-info { font-size: 12px; line-height: 1.35; }
.save-slot .slot-info .dim { color: var(--dim); }
.save-slot.empty .slot-info { color: var(--dim); }
.save-slot.bad { border-color: #7a3a31; }
.menu-msg { font-size: 13px; margin: 6px 0; min-height: 18px; }
.audio-row { display: flex; gap: 10px; align-items: center; font-size: 13px; }
.audio-row input[type=range] { width: 120px; }

/* ---------- Smaller screens ---------- */
@media (max-width: 1100px) {
  .age { font-size: 11px; }
  .civ-name { display: none; }
  .hud-top { gap: 8px; }
  .hud-top .btn.small { padding-left: 6px; padding-right: 6px; }
  .hud-objectives { width: 250px; }
  .sel-panel { width: 340px; }
  .cmd-panel { grid-template-columns: repeat(3, 70px); }
  .cmd { height: 70px; }
}
@media (max-width: 760px) {
  .res-list { gap: 8px; }
  .res { font-size: 13px; }
  .hud-objectives { display: none; }
  .sel-panel { width: 46vw; }
  .idle-btn { bottom: 160px; }
}