/* Echoes of the Moon — UI Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --panel: rgba(13, 17, 28, 0.92);
  --panel-border: rgba(110, 140, 200, 0.25);
  --text: #dce6ff;
  --text-dim: #8a97b8;
  --accent: #4dd2ff;
  --gold: #ffd84d;
  --danger: #ff5a6e;
  --good: #6effaa;
  --topbar-h: 56px;   /* live top-bar height, kept current by main.js setupTopbarHeight() */
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: #04060f;
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
  user-select: none;
}

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

.hidden { display: none !important; }

/* ---------- Top bar ---------- */
#topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 12px;
  background: linear-gradient(to bottom, rgba(5, 8, 18, 0.97), rgba(5, 8, 18, 0.75) 80%, rgba(5,8,18,0.2));
  pointer-events: none;
  z-index: 20;   /* always above the side panels — buttons must stay clickable */
}
#topbar > * { pointer-events: auto; }

#logo-small {
  font-weight: 800; font-size: 15px; letter-spacing: 1px;
  background: linear-gradient(90deg, #9fd8ff, #c77dff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-right: 4px; white-space: nowrap;
}
.logo-emblem { height: 22px; width: 22px; vertical-align: middle; margin-right: 5px; filter: drop-shadow(0 0 4px rgba(120, 210, 255, 0.45)); }

#resources { display: flex; gap: 6px; flex-wrap: wrap; }
.res {
  display: flex; align-items: center; gap: 4px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 3px 8px;
  font-size: 12px;
  white-space: nowrap;
}
.res-icon { font-size: 13px; }
.res-icon-img { width: 16px; height: 16px; object-fit: contain; flex: 0 0 auto; }
.cat-icon-img { width: 20px; height: 20px; object-fit: contain; flex: 0 0 auto; }
.sp-portrait { width: 122px; height: auto; display: block; margin: 0 auto 8px; border-radius: 8px; }
.tb-icon { width: 18px; height: 18px; object-fit: contain; vertical-align: middle; }
.icon-btn.wide .tb-icon { margin-right: 4px; }
.res.warn { border-color: var(--danger); box-shadow: 0 0 8px rgba(255, 90, 110, 0.4); }

#day-label { font-size: 12px; color: var(--text-dim); margin-left: auto; white-space: nowrap; }

#speed-controls { display: flex; gap: 3px; }
.speed-btn {
  background: var(--panel); color: var(--text-dim);
  border: 1px solid var(--panel-border);
  border-radius: 6px; padding: 3px 9px;
  cursor: pointer; font-size: 12px;
}
.speed-btn:hover { color: var(--text); border-color: var(--accent); }
.speed-btn.active { color: #0a0e1a; background: var(--accent); border-color: var(--accent); font-weight: 700; }

.icon-btn {
  background: var(--panel); border: 1px solid var(--panel-border);
  color: var(--text); border-radius: 8px;
  padding: 4px 10px; font-size: 14px; cursor: pointer;
  white-space: nowrap;
}
.icon-btn:hover { border-color: var(--accent); box-shadow: 0 0 10px rgba(77, 210, 255, 0.25); }
.icon-btn.pulse { animation: pulse-glow 1s ease; }
@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 rgba(255, 216, 77, 0); }
  40% { box-shadow: 0 0 16px rgba(255, 216, 77, 0.8); border-color: var(--gold); }
  100% { box-shadow: 0 0 0 rgba(255, 216, 77, 0); }
}

/* Small laptops: condense the top bar so the resource pills wrap into fewer
   rows and the bar stays short. Nothing is hidden — only tightened. The panels
   below (milestones, challenge card) follow the bar's live height via --topbar-h. */
@media (max-width: 1500px) {
  #topbar { gap: 7px; padding: 7px 10px; }
  #resources { gap: 5px; }
  .res { padding: 3px 7px; font-size: 11.5px; }
  .icon-btn { padding: 4px 8px; font-size: 13px; }
}
@media (max-width: 1280px) {
  #topbar { gap: 5px; padding: 6px 8px; }
  #logo-small { font-size: 13px; letter-spacing: 0.5px; margin-right: 2px; }
  #resources { gap: 4px; }
  .res { padding: 2px 6px; font-size: 11px; gap: 3px; }
  .res-icon { font-size: 12px; }
  .icon-btn { padding: 3px 7px; font-size: 12.5px; }
  .speed-btn { padding: 3px 7px; font-size: 11px; }
  #day-label { font-size: 11px; }
}

/* ---------- Milestones ---------- */
#milestones {
  position: absolute; top: calc(var(--topbar-h, 56px) + 8px); left: 12px; z-index: 5;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 12px;
  max-width: 250px;
  font-size: 12px;
}
.ms-phase { font-weight: 700; color: var(--gold); margin-bottom: 6px; font-size: 12px; }
.ms-goal { color: var(--text-dim); padding: 1.5px 0; }
.ms-goal.done { color: var(--good); }
.ms-why { color: var(--gold); font-size: 11px; font-style: italic; line-height: 1.35; margin-top: 6px; opacity: 0.92; }

/* ---------- Challenge card ---------- */
#challenge-card {
  position: absolute; top: calc(var(--topbar-h, 56px) + 8px); right: 12px; z-index: 5;
  width: 280px;
  background: var(--panel);
  border: 1px solid rgba(255, 216, 77, 0.45);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 12px;
  box-shadow: 0 0 24px rgba(255, 216, 77, 0.12);
}
#ch-title { font-weight: 700; font-size: 14px; color: var(--gold); }
#ch-flavor { font-style: italic; color: var(--text-dim); margin: 6px 0; line-height: 1.4; }
#ch-goal { margin: 6px 0; line-height: 1.35; }
#ch-reward { color: var(--good); margin: 6px 0; }
#ch-bar { height: 6px; background: rgba(255, 255, 255, 0.08); border-radius: 3px; overflow: hidden; margin: 8px 0 4px; }
#ch-bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--good)); transition: width 0.4s; }
#ch-timer { color: var(--gold); font-size: 11px; min-height: 14px; }
#btn-challenge-decline {
  background: none; border: none; color: var(--text-dim);
  font-size: 11px; cursor: pointer; text-decoration: underline; margin-top: 4px;
}
#btn-challenge-decline:hover { color: var(--text); }

/* ---------- Side panel ---------- */
#side-panel {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 250px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px;
  font-size: 12px;
}
.sp-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.sp-badge { font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 6px; vertical-align: middle; }
.sp-badge.off { color: #ff8a8a; border: 1px solid #ff8a8a; }
.sp-badge.fix { color: #ffd24d; border: 1px solid #ffd24d; }

/* Hover readout — names the hex material near the cursor (special tiles only) */
#hex-tip {
  position: fixed; z-index: 60; pointer-events: none;
  max-width: 230px; padding: 7px 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 9px;
  font-size: 12px; line-height: 1.35; color: var(--text);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}
#hex-tip .tip-name { font-weight: 700; font-size: 13px; }
#hex-tip .tip-build { color: var(--text-dim); font-size: 11px; margin-top: 2px; }
#hex-tip .tip-dark { color: var(--accent); font-weight: 700; font-size: 10px; }
#hex-tip .tip-lit { color: var(--gold); font-weight: 700; font-size: 10px; }
.sp-assign { margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(110, 140, 200, 0.15); }
.sp-assign-label { font-size: 12px; margin-bottom: 5px; }
#sp-worker {
  width: 100%; padding: 6px; border-radius: 8px; font-size: 12px;
  background: var(--panel); color: var(--text); border: 1px solid var(--panel-border);
}
.sp-assign-hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
/* Research-on-the-building: relevant tech surfaced in the selection panel (U3) */
.sp-research { margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(110, 140, 200, 0.15); }
.sp-research-title { font-size: 11px; font-weight: 700; color: #4dd2ff; letter-spacing: 0.5px; margin-bottom: 6px; }
.spr-item { padding: 5px 0; border-top: 1px solid rgba(110, 140, 200, 0.08); }
.spr-item:first-of-type { border-top: none; }
.spr-head { display: flex; align-items: center; gap: 8px; }
.spr-name { font-weight: 600; font-size: 12px; flex: 1; min-width: 0; }
.spr-reason { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.spr-buy { margin-left: auto; padding: 3px 9px; font-size: 11px; font-weight: 700; cursor: pointer; color: #0b1a12; background: linear-gradient(90deg, #4dd2ff, #8fe9ff); border: none; border-radius: 6px; white-space: nowrap; }
.spr-buy:hover:not(:disabled) { filter: brightness(1.08); }
.spr-buy:disabled { opacity: 0.5; cursor: default; }
.spr-locked { margin-left: auto; font-size: 10.5px; color: var(--text-dim); white-space: nowrap; }

/* ---------- Share button + achievements ---------- */
.share-btn {
  margin-left: auto; margin-right: 8px; padding: 4px 10px; cursor: pointer;
  font-size: 12px; font-weight: 600; color: #9fd8ff;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 8px;
}
.share-btn:hover { color: #fff; border-color: #7fd4ff; }
#menu-profile { margin-top: 14px; }
.profile-stats { font-size: 13px; color: var(--text); margin-bottom: 8px; }
.profile-stats b { color: var(--gold); }
#menu-achievements { margin-top: 16px; }
.ach-head { font-size: 13px; font-weight: 700; color: var(--gold); margin-bottom: 8px; }
.ach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.ach {
  display: flex; align-items: center; gap: 7px; padding: 6px 9px;
  border: 1px solid var(--panel-border); border-radius: 8px; opacity: 0.4;
  font-size: 12px; background: rgba(255,255,255,0.02);
}
.ach.got { opacity: 1; border-color: rgba(255, 216, 77, 0.5); background: rgba(255, 216, 77, 0.08); }
.ach-icon { font-size: 16px; }
.ach-name { color: var(--text); }

/* ---------- Alerts feed (U12) ---------- */
.icon-btn { position: relative; }   /* anchor the unread badge */
.feed-badge {
  position: absolute; top: -5px; right: -5px; min-width: 16px; height: 16px;
  background: var(--danger); color: #fff; border-radius: 8px;
  font-size: 10px; font-weight: 700; line-height: 16px; text-align: center; padding: 0 3px;
}
#alerts-feed {
  position: absolute; left: 12px; bottom: 312px; z-index: 6;   /* its own left-column home: above the minimap, below milestones */
  width: 250px; max-height: calc(100vh - 552px); overflow-y: auto;
  background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: 12px; padding: 10px 12px; font-size: 12px;
}
.feed-sec { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-dim); font-weight: 700; margin: 8px 0 2px; }
.feed-row.crit .feed-icon { color: var(--danger); }
.feed-row.crit { border-top-color: rgba(255, 90, 110, 0.16); }
.feed-head { font-weight: 700; color: var(--gold); margin-bottom: 6px; }
.feed-empty { color: var(--text-dim); font-size: 11px; line-height: 1.4; }
#alerts-feed.feed-clear { width: auto; padding: 3px 11px; opacity: 0.5; }   /* F1: compact "All clear" pill, not a full empty panel */
.feed-row { display: flex; gap: 7px; align-items: baseline; padding: 4px 0; border-top: 1px solid rgba(110, 140, 200, 0.10); }
.feed-icon { flex: 0 0 auto; }
.feed-txt { flex: 1; color: var(--text); }
.feed-day { flex: 0 0 auto; color: var(--text-dim); font-size: 10px; }
.feed-row.loc { cursor: pointer; }
.feed-row.loc:hover .feed-txt { color: var(--accent); }

/* ---------- Bulldoze tool (U10) ---------- */
.icon-btn.active { color: #0a0e1a; background: var(--danger); border-color: var(--danger); font-weight: 700; }
body.bulldoze-cursor #game { cursor: cell; }

/* ---------- Save slots / Colonies manager ---------- */
#slots-hint { font-size: 12px; color: var(--text-dim); margin-bottom: 12px; }
.slot-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; margin-bottom: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--panel-border); border-radius: 12px;
}
.slot-row.active { border-color: rgba(127,212,255,0.6); background: rgba(40,90,150,0.18); }
.slot-row.empty { border-style: dashed; opacity: 0.92; }
.slot-info { flex: 1; min-width: 0; }
.slot-title { font-weight: 700; font-size: 14px; }
.slot-sub { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.slot-active { color: #7fd4ff; }
.slot-acts { display: flex; gap: 6px; }
.slot-btn {
  padding: 8px 14px; font-size: 13px; font-weight: 700; cursor: pointer;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 9px;
  transition: border-color 0.1s, color 0.1s;
}
.slot-btn:hover { border-color: var(--accent); color: var(--accent); }
.slot-btn.new { border-color: #6effaa; color: #6effaa; }
.slot-btn.del { color: #ff8a8a; padding: 8px 11px; }
.slot-btn.del:hover { border-color: #ff8a8a; color: #ff5a5a; }
.sp-desc { color: var(--text-dim); line-height: 1.4; margin-bottom: 8px; }
.sp-bio { color: var(--text-dim); font-style: italic; font-size: 12.5px; line-height: 1.45; margin-bottom: 8px; opacity: .9; }
.sp-facts div { padding: 1.5px 0; }
.danger-btn, .action-btn {
  margin-top: 10px; width: 100%;
  border-radius: 8px; padding: 7px; cursor: pointer; font-size: 12px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.05); color: var(--text);
}
.danger-btn:hover { border-color: var(--danger); color: var(--danger); }
.action-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Build menu ---------- */
#buildbar {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(5, 8, 18, 0.97), rgba(5, 8, 18, 0.75) 70%, transparent);
  padding: 6px 12px 10px;
}
#cat-tabs { display: flex; gap: 4px; margin-bottom: 6px; flex-wrap: wrap; }
.cat-tab {
  display: flex; align-items: center; gap: 5px;
  background: var(--panel); color: var(--text-dim);
  border: 1px solid var(--panel-border);
  border-radius: 8px 8px 0 0; border-bottom: none;
  padding: 5px 10px; cursor: pointer; font-size: 11.5px;
}
.cat-tab:hover { color: var(--text); }
.cat-tab.active { color: var(--cat-color); border-color: var(--cat-color); background: rgba(255, 255, 255, 0.04); font-weight: 600; }
/* "New" glow on the Orbital tab the moment it unlocks, until the player first opens it (U4). */
.cat-tab.cat-new { color: #8c9eff; border-color: #8c9eff; animation: catnew 1.6s ease-in-out infinite; }
@keyframes catnew { 0%, 100% { box-shadow: 0 0 0 rgba(140, 158, 255, 0); } 50% { box-shadow: 0 0 12px rgba(140, 158, 255, 0.65); } }

#build-items { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; }
.build-item {
  min-width: 168px; text-align: left;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 7px 10px;
  cursor: pointer; font-size: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
  display: flex; align-items: center; gap: 9px;
}
.bi-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.45));
}
.build-item.locked .bi-icon { filter: grayscale(0.85) brightness(0.7); }
.bi-icon-emoji { width: 46px; height: 46px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 30px; }
.bi-col { min-width: 0; }
.build-item:hover { border-color: var(--accent); }
.build-item.selected { border-color: var(--good); box-shadow: 0 0 14px rgba(110, 255, 170, 0.35); }
.build-item.locked { opacity: 0.55; }
.build-item.broke { opacity: 0.65; }
.bi-name { font-weight: 600; margin-bottom: 4px; }
.bi-cost { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; }
.cost.missing { text-decoration: line-through; opacity: 0.6; }
/* Orbital build tab — emoji-icon items, owned/jobs badge, disabled reasons, locked hint, view-orbit button */
.bi-badge { font-weight: 400; font-size: 10.5px; color: var(--text-dim); }
.bi-why { color: #ff9b8a; font-size: 11px; }
.build-orbit-locked {
  min-width: 320px; flex-shrink: 0; display: flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px dashed rgba(140, 158, 255, 0.5); border-radius: 10px;
  padding: 10px 14px; font-size: 12px; color: var(--text-dim); cursor: pointer;
}
.build-orbit-locked:hover { border-color: #8c9eff; color: var(--text); }
.bol-cta { color: #8c9eff; font-weight: 600; }
.build-orbit-view { min-width: 150px; border-style: dashed; opacity: 0.9; }
/* Orbital Command tab status tile (crew / shipyard) — migrated from the old #orbital-panel */
.build-orbit-note {
  min-width: 150px; flex-shrink: 0; display: flex; flex-direction: column; justify-content: center;
  gap: 3px; padding: 8px 12px; border: 1px solid rgba(140, 158, 255, 0.35);
  border-radius: 10px; background: rgba(140, 158, 255, 0.08);
  font-size: 12px; color: var(--text-dim); line-height: 1.35;
}
/* Shells U6: per-shell group headers in the Orbital Command tab (used/capacity) */
.bo-shell-head {
  min-width: 74px; flex-shrink: 0; display: flex; flex-direction: column; justify-content: center;
  padding: 6px 10px; border-left: 2px solid rgba(140, 158, 255, 0.45);
  font-size: 11px; color: var(--text-dim); line-height: 1.4; text-align: left;
  transition: background 0.4s, border-color 0.4s;
}
.bo-shell-head b { color: var(--text); font-size: 13px; }
.bo-shell-head.full b { color: #ff9b8a; }
.bo-shell-head.flash { background: rgba(110, 255, 170, 0.16); border-left-color: #6effaa; }
.bo-shell-head.flash b { color: #6effaa; }
/* Shell-full reads distinctly from can't-afford (.broke): blue-dimmed, not red-tinged */
.build-item.shell-full { opacity: 0.7; border-style: dashed; }
/* Per-structure staffing line on tab rows */
.bi-staff { font-size: 10px; color: var(--text-dim); margin-top: 2px; }
.bi-staff.short { color: #ff9b8a; }
.build-orbit-view:hover { border-color: #8c9eff; }
.locked-label { color: var(--text-dim); font-size: 10.5px; }

/* ---------- Minimap ---------- */
#minimap-wrap {
  position: absolute; left: 12px; bottom: 132px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 5px;
  line-height: 0;
}
#minimap { border-radius: 50%; cursor: pointer; }

/* ---------- Toasts ---------- */
/* Notifications live top-right, out of the build bar and map center. The stack
   grows downward from just below the top bar; toasts slide in from the right. */
#toasts {
  position: absolute; top: calc(var(--topbar-h, 56px) + 8px); right: 12px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  pointer-events: none; z-index: 9; max-width: 320px;
}
.toast {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  opacity: 0; transform: translateX(14px);
  transition: opacity 0.35s, transform 0.35s;
  max-width: 300px; text-align: left;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
}
.toast.show { opacity: 1; transform: translateX(0); }
/* Critical alerts read hotter than routine info. */
.toast.toast-critical { border-color: rgba(255, 120, 110, 0.7); box-shadow: 0 4px 20px rgba(255, 70, 60, 0.28); }

/* ---------- Modals ---------- */
#modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(2, 4, 10, 0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 130;   /* above the title screen (100) so the Colonies manager works from the menu */
}
.modal {
  width: min(620px, 92vw); max-height: 80vh;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  display: flex; flex-direction: column;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.7);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--panel-border);
}
.modal-head h2 { font-size: 17px; }
.modal-close {
  background: none; border: none; color: var(--text-dim);
  font-size: 20px; cursor: pointer;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 14px 18px; overflow-y: auto; font-size: 13px; line-height: 1.5; }

/* Journal */
.j-entry { padding: 10px 0; border-bottom: 1px solid rgba(110, 140, 200, 0.12); }
.j-day { font-size: 11px; color: var(--accent); }
.j-title { font-weight: 700; margin: 2px 0; color: var(--gold); }
.j-text { color: var(--text-dim); font-style: italic; }

/* ---------- Contact / Signal panel ---------- */
.contact-meta {
  font-size: 13px; color: #aee8ff; margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px solid rgba(110, 200, 255, 0.2); letter-spacing: 0.3px;
}
.lore-entry { padding: 11px 0; border-bottom: 1px solid rgba(110, 140, 200, 0.12); }
.lore-title { font-weight: 700; margin-bottom: 3px; color: #7fd4ff; letter-spacing: 0.5px; }
.lore-text { color: var(--text); line-height: 1.6; }
.lore-entry.locked { opacity: 0.4; }
.lore-entry.locked .lore-title { color: #6a7a90; letter-spacing: 3px; filter: blur(0.4px); }
.lore-entry.locked .lore-text { color: var(--text-dim); font-style: italic; }

/* Tech */
#tech-points { color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.tech-item {
  border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 10px 12px; margin-bottom: 8px;
}
.tech-item.owned { border-color: rgba(110, 255, 170, 0.4); }
.tech-item.available { border-color: rgba(77, 210, 255, 0.5); }
.tech-item.locked { opacity: 0.6; }
.t-name { font-weight: 700; }
.t-desc { color: var(--text); font-size: 12px; margin: 3px 0; }
.t-flavor { color: var(--text-dim); font-style: italic; font-size: 11.5px; margin-bottom: 6px; }
.t-stakes { color: var(--gold); font-size: 11.5px; line-height: 1.4; margin-bottom: 6px; }
.t-owned { color: var(--good); font-size: 12px; }
.t-req { color: var(--text-dim); font-size: 12px; }
.t-buy {
  background: var(--accent); color: #0a0e1a; border: none;
  border-radius: 7px; padding: 5px 12px; cursor: pointer; font-weight: 700; font-size: 12px;
}
.t-buy:disabled { background: #2a3450; color: var(--text-dim); cursor: default; }
.t-buy:not(:disabled):hover { box-shadow: 0 0 12px rgba(77, 210, 255, 0.5); }

/* Fund-the-breakthrough control (U3) */
#tech-fund {
  margin-bottom: 12px; padding: 9px 11px;
  background: rgba(77, 210, 255, 0.06);
  border: 1px solid var(--panel-border); border-radius: 9px;
}
#tech-fund.ready { border-color: rgba(110, 255, 170, 0.5); background: rgba(110, 255, 170, 0.07); }
#tech-fund .tf-label { font-size: 11.5px; color: var(--text-dim); margin-bottom: 7px; line-height: 1.35; }
.t-fund {
  background: var(--accent); color: #04121f; border: none;
  border-radius: 7px; padding: 6px 12px; font-size: 12px; font-weight: 700; cursor: pointer;
}
.t-fund:disabled { background: #2a3450; color: var(--text-dim); cursor: default; font-weight: 400; }
.t-fund:not(:disabled):hover { box-shadow: 0 0 12px rgba(110, 255, 170, 0.5); }

/* Help */
#modal-help .modal-body div { margin-bottom: 7px; }
kbd {
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--panel-border);
  border-radius: 4px; padding: 1px 6px; font-size: 11px; font-family: monospace;
}

/* Menu */
.menu-btn {
  display: block; width: 100%; margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.05); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 9px;
  padding: 10px; cursor: pointer; font-size: 14px;
}
.menu-btn:hover { border-color: var(--accent); }

/* ---------- Title screen (Cinematic Mystery) ---------- */
#title-screen {
  position: absolute; inset: 0; z-index: 100; overflow: hidden;
  background: radial-gradient(125% 95% at 72% 14%, #0e1734 0%, #070c1d 52%, #03050e 100%);
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
  color: #eef2fb;
}

/* drifting starfield */
.ts-stars {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.85;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, #fff, transparent),
    radial-gradient(1px 1px at 28% 64%, #cfe0ff, transparent),
    radial-gradient(1.6px 1.6px at 45% 18%, #fff, transparent),
    radial-gradient(1px 1px at 63% 48%, #bcd2ff, transparent),
    radial-gradient(1.2px 1.2px at 82% 30%, #fff, transparent),
    radial-gradient(1px 1px at 90% 70%, #cfe0ff, transparent),
    radial-gradient(1px 1px at 8% 82%, #fff, transparent),
    radial-gradient(1.3px 1.3px at 55% 80%, #fff, transparent),
    radial-gradient(1px 1px at 36% 40%, #cfe0ff, transparent),
    radial-gradient(1.1px 1.1px at 72% 60%, #fff, transparent);
  animation: ts-tw 6s ease-in-out infinite;
}
@keyframes ts-tw { 0%, 100% { opacity: 0.55; } 50% { opacity: 0.95; } }

/* the moon — drawn top-right, partly off-frame for scale */
.ts-moon {
  position: absolute; top: -15vh; right: -7vw;
  width: 46vh; height: 46vh;
  min-width: 300px; min-height: 300px; max-width: 560px; max-height: 560px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 38% 34%, #eef3fc 0%, #c4cee0 46%, #8b97b1 72%, #5d6883 100%);
  box-shadow: 0 0 90px 20px rgba(150, 180, 255, 0.16), inset -26px -22px 60px rgba(8, 12, 26, 0.55);
}
.ts-crater { position: absolute; border-radius: 50%; background: rgba(70, 80, 105, 0.35); box-shadow: inset 2px 2px 4px rgba(20, 26, 44, 0.5); }

/* warm Earthrise glow hugging the moon */
.ts-earth {
  position: absolute; top: -2vh; right: 5vw;
  width: 42vh; height: 42vh; max-width: 500px; max-height: 500px;
  border-radius: 50%; pointer-events: none;
  box-shadow: 30px 44px 90px -4px rgba(255, 176, 92, 0.26);
}

/* the mystery signal rising from the surface */
.ts-signal {
  position: absolute; left: 62%; bottom: 0; width: 2px; height: 40vh; pointer-events: none;
  background: linear-gradient(to top, rgba(111, 233, 255, 0), rgba(111, 233, 255, 0.6));
  box-shadow: 0 0 12px rgba(111, 233, 255, 0.6);
  animation: ts-sig 3.2s ease-in-out infinite;
}
.ts-sigdot {
  position: absolute; left: calc(62% - 3px); bottom: 40vh; width: 8px; height: 8px;
  border-radius: 50%; pointer-events: none; background: #6fe9ff;
  box-shadow: 0 0 12px 3px rgba(111, 233, 255, 0.8);
  animation: ts-sig 3.2s ease-in-out infinite;
}
.ts-siglab {
  position: absolute; left: calc(62% + 16px); bottom: calc(40vh - 7px);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: #7fd6ec; opacity: 0.75; pointer-events: none; white-space: nowrap;
}
@keyframes ts-sig { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.9; } }

/* content column — lower-left, vertically centered */
.ts-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 clamp(28px, 7vw, 88px); max-width: 780px;
}
.ts-eyebrow {
  font-size: clamp(11px, 1.4vw, 13px); letter-spacing: 0.42em; text-transform: uppercase;
  font-weight: 500; color: #8ea2c8;
  opacity: 0; transform: translateY(10px); animation: ts-rise 0.9s 0.15s forwards;
}
#title-logo {
  margin: 14px 0 0; font-weight: 300; letter-spacing: 0.16em; line-height: 0.98;
  font-size: clamp(40px, 8vw, 78px); color: #f3f7ff;
  text-shadow: 0 0 40px rgba(120, 160, 255, 0.25);
  opacity: 0; transform: translateY(10px); animation: ts-rise 0.9s 0.3s forwards;
}
#title-logo b { font-weight: 700; }
#title-tagline {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 500;
  font-size: clamp(18px, 2.8vw, 26px); color: #c3cfe8; margin: 16px 0 28px;
  opacity: 0; transform: translateY(10px); animation: ts-rise 0.9s 0.5s forwards;
}
.ts-btns {
  display: flex; gap: 14px; flex-wrap: wrap;
  opacity: 0; transform: translateY(10px); animation: ts-rise 0.9s 0.68s forwards;
}

/* buttons — scoped to the title screen so other overlays keep their own style */
#title-screen .title-btn {
  width: auto; display: inline-flex; align-items: center; gap: 9px;
  font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif;
  font-size: 16px; font-weight: 500; letter-spacing: 0.06em;
  padding: 14px 30px; border-radius: 12px; cursor: pointer;
  color: #06121a; background: linear-gradient(180deg, #aef0ff, #6fe9ff); border: none;
  box-shadow: 0 6px 26px rgba(111, 233, 255, 0.32);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
}
#title-screen .title-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(111, 233, 255, 0.5); }
#title-screen .title-btn.secondary {
  color: #dbe6fb; background: rgba(150, 180, 255, 0.06);
  border: 1px solid rgba(140, 170, 230, 0.4); box-shadow: none;
}
#title-screen .title-btn.secondary:hover { border-color: #9fd8ff; background: rgba(150, 180, 255, 0.12); }

@keyframes ts-rise { to { opacity: 1; transform: translateY(0); } }

#title-hint {
  position: absolute; left: 0; right: 0; bottom: clamp(16px, 3vh, 32px);
  margin: 0 auto; max-width: 560px; padding: 0 24px; text-align: center;
  color: #6b7a9c; font-size: 12px; line-height: 1.7; letter-spacing: 0.04em;
}

/* global title-btn kept intact for win / game-over / site / mobile overlays */
.title-btn {
  width: 260px; padding: 13px;
  font-size: 16px; font-weight: 700;
  background: linear-gradient(90deg, #2575b8, #7a4dbf);
  color: white; border: none; border-radius: 12px; cursor: pointer;
  box-shadow: 0 4px 24px rgba(80, 120, 255, 0.35);
  transition: transform 0.12s, box-shadow 0.12s;
}
.title-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(120, 100, 255, 0.5); }
.title-btn.secondary { background: var(--panel); border: 1px solid var(--panel-border); }

/* narrow windows: drop the signal label, free up the text column */
@media (max-width: 720px) {
  .ts-content { max-width: 100%; }
  .ts-siglab { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  #title-screen * { animation: none !important; opacity: 1 !important; transform: none !important; }
}

/* ---------- Mobile / touch gate (C2) ---------- */
#mobile-gate {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(125% 95% at 72% 14%, #0e1734 0%, #070c1d 52%, #03050e 100%);
  padding: 28px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
}
#mobile-gate .mg-card { max-width: 440px; text-align: center; }
#mobile-gate .mg-logo {
  font-weight: 700; letter-spacing: 3px; font-size: 18px; margin-bottom: 22px;
  color: #eaf1ff; text-shadow: 0 0 24px rgba(120, 200, 255, 0.4);
}
#mobile-gate .mg-title { font-size: 24px; font-weight: 500; color: #eaf0ff; margin-bottom: 14px; }
#mobile-gate .mg-text { font-size: 15px; line-height: 1.55; color: var(--text-dim); margin-bottom: 26px; }
#mobile-gate .title-btn {
  width: auto; font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif;
  font-weight: 500; letter-spacing: 0.06em;
  color: #06121a; background: linear-gradient(180deg, #aef0ff, #6fe9ff); border: none;
  box-shadow: 0 6px 26px rgba(111, 233, 255, 0.32);
}
#mobile-gate .title-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(111, 233, 255, 0.5); }

/* ---------- Landing banner (site selection on the real moon) ---------- */
#landing-banner {
  position: absolute; top: 60px; left: 0; right: 0;
  text-align: center; pointer-events: none; z-index: 10;
}
#landing-title {
  font-size: clamp(20px, 3vw, 28px); font-weight: 500; letter-spacing: 2px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
  background: linear-gradient(90deg, #bfe9ff, #6fe9ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
#landing-hint { margin-top: 4px; font-size: 12px; color: var(--text-dim); }

/* "Mission setup" — a vertical panel on the left, beside the moon (not over it),
   so the whole globe stays clear for picking a landing site. */
#landing-console {
  position: absolute; left: 24px; top: 50%; transform: translateY(-50%);
  width: 300px; text-align: left; z-index: 11;
  padding: 16px 18px 18px;
  background: rgba(9, 13, 26, 0.94);
  border: 1px solid rgba(127, 160, 220, 0.3);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  pointer-events: auto;
}
#console-title {
  font-size: 17px; font-weight: 500; letter-spacing: 1px; margin-bottom: 13px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
  background: linear-gradient(90deg, #bfe9ff, #6fe9ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.console-label {
  font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase;
  color: #8aa0c8; margin: 0 0 8px; font-weight: 700;
}
.console-label.twists { margin-top: 16px; }
#mode-select { display: flex; flex-direction: column; gap: 7px; }
.mode-btn {
  display: flex; align-items: center; gap: 7px; width: 100%; justify-content: flex-start;
  padding: 9px 13px; font-size: 14px; font-weight: 700; cursor: pointer;
  color: var(--text-dim); background: var(--panel);
  border: 1px solid var(--panel-border); border-radius: 10px;
  transition: transform 0.1s, border-color 0.1s, color 0.1s;
}
.mode-btn:hover { transform: translateY(-1px); color: #cfe3ff; }
.mode-btn.active {
  color: #fff; border-color: #7fd4ff;
  box-shadow: 0 0 16px rgba(80, 160, 255, 0.4); background: rgba(40, 90, 150, 0.35);
}
.mode-btn .mode-icon { font-size: 16px; }
.mode-btn .mode-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 0.5px; opacity: 0.7;
  border: 1px solid currentColor; border-radius: 6px; padding: 0 4px; margin-left: 2px;
}
#mode-blurb {
  margin: 9px 0 0; font-size: 12px; color: var(--text-dim); line-height: 1.5;
  pointer-events: none;
}
#mutator-select { pointer-events: auto; }
.mut-row { display: flex; gap: 6px; justify-content: flex-start; flex-wrap: wrap; }
.mut-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; font-size: 12px; font-weight: 600; cursor: pointer;
  color: var(--text-dim); background: var(--panel);
  border: 1px solid var(--panel-border); border-radius: 8px;
  transition: border-color 0.1s, color 0.1s;
}
.mut-btn:hover { color: #cfe3ff; }
.mut-btn.active { color: #fff; border-color: #6fe9ff; background: rgba(40, 110, 150, 0.3); }
/* Opening landing scene (scene U3) — one class holds every HUD element while
   the cinematic plays: exitLanding's reveal set PLUS the self-revealing pieces
   outside it (coach + highlight, briefing card, toasts). opacity (not display)
   keeps layout stable and gives the release a fade-in. This class is the
   documented hook for any future self-revealing HUD element. */
body.opening-scene #buildbar, body.opening-scene #milestones,
body.opening-scene #minimap-wrap, body.opening-scene #alerts-feed,
body.opening-scene #resources, body.opening-scene #speed-controls,
body.opening-scene #day-label, body.opening-scene #tutorial-coach,
body.opening-scene #briefing-card, body.opening-scene #toasts {
  opacity: 0 !important; pointer-events: none !important;
}
#buildbar, #milestones, #minimap-wrap, #resources, #speed-controls, #day-label {
  transition: opacity 0.7s ease;
}
#opening-hint {
  display: none; position: absolute; right: 22px; bottom: 18px; z-index: 30;
  font-size: 12px; letter-spacing: 1px; color: var(--text-dim); opacity: 0.8;
  pointer-events: none;
}
body.opening-scene #opening-hint { display: block; }

#site-card {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 12;
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 16px 20px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}
#site-name { font-size: 19px; font-weight: 800; color: var(--gold); }
#site-sub { font-size: 12px; color: var(--accent); margin-bottom: 8px; letter-spacing: 1px; text-transform: uppercase; }
#site-desc { font-size: 13px; color: var(--text); line-height: 1.5; margin-bottom: 10px; }
#site-perks { font-size: 12px; color: var(--text-dim); margin-bottom: 12px; }
#site-perks div { padding: 1.5px 0; }
#site-card .title-btn {
  width: 100%; padding: 12px; font-size: 15px;
  font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif; font-weight: 500; letter-spacing: 0.04em;
  color: #06121a; background: linear-gradient(180deg, #aef0ff, #6fe9ff); border: none;
  box-shadow: 0 6px 22px rgba(111, 233, 255, 0.30);
}
#site-card .title-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(111, 233, 255, 0.5); }

/* ---------- Colonist control banner ---------- */
#control-banner {
  position: absolute; top: 56px; left: 50%; transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid rgba(110, 255, 170, 0.5);
  border-radius: 10px;
  padding: 7px 16px;
  font-size: 12.5px;
  box-shadow: 0 0 18px rgba(110, 255, 170, 0.15);
  z-index: 5;
}
#control-name { color: var(--good); font-weight: 700; }

/* ---------- Win overlay ---------- */
#win-overlay {
  position: absolute; inset: 0; z-index: 90; overflow: hidden;
  background: radial-gradient(120% 110% at 50% 72%, rgba(255, 176, 92, 0.12) 0%, rgba(9, 13, 30, 0.86) 52%, rgba(3, 5, 14, 0.93) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
}
#win-overlay::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.7;
  background-image:
    radial-gradient(1.3px 1.3px at 18% 24%, #fff, transparent),
    radial-gradient(1px 1px at 70% 18%, #cfe0ff, transparent),
    radial-gradient(1.2px 1.2px at 60% 70%, #fff, transparent),
    radial-gradient(1px 1px at 32% 76%, #cfe0ff, transparent),
    radial-gradient(1px 1px at 86% 56%, #fff, transparent);
}
#win-overlay > * { position: relative; z-index: 1; }
#win-overlay h1 {
  font-weight: 300; letter-spacing: 0.08em; line-height: 1.04;
  font-size: clamp(32px, 6vw, 60px); color: #fdf3e2;
  text-shadow: 0 0 46px rgba(255, 190, 120, 0.45);
  margin-bottom: 18px;
}
#win-overlay p {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 500;
  max-width: 540px; color: #d4dcee; line-height: 1.55;
  font-size: clamp(18px, 2.5vw, 23px); margin-bottom: 28px;
}

/* ---------- Crisis banner ---------- */
#crisis-banner {
  position: absolute; top: 56px; left: 50%; transform: translateX(-50%);
  background: rgba(60, 16, 20, 0.92);
  border: 1px solid rgba(255, 90, 90, 0.7);
  border-radius: 10px;
  padding: 8px 18px;
  font-size: 13px; font-weight: 600; color: #ffd0d0;
  box-shadow: 0 0 22px rgba(255, 70, 70, 0.3);
  z-index: 6; text-align: center; max-width: 92vw;
  animation: crisis-pulse 1.6s ease-in-out infinite;
}
@keyframes crisis-pulse {
  0%, 100% { box-shadow: 0 0 14px rgba(255, 70, 70, 0.25); }
  50% { box-shadow: 0 0 30px rgba(255, 70, 70, 0.55); }
}

/* ---------- Game-over overlay ---------- */
#gameover-overlay {
  position: absolute; inset: 0; z-index: 91; overflow: hidden;
  background: radial-gradient(120% 110% at 50% 32%, rgba(28, 38, 66, 0.78) 0%, rgba(5, 7, 18, 0.94) 58%, rgba(2, 3, 10, 0.97) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
}
#gameover-overlay::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.45;
  background-image:
    radial-gradient(1.2px 1.2px at 22% 26%, #cdd6e6, transparent),
    radial-gradient(1px 1px at 68% 20%, #9fb0d0, transparent),
    radial-gradient(1px 1px at 58% 72%, #cdd6e6, transparent),
    radial-gradient(1px 1px at 36% 78%, #9fb0d0, transparent);
}
#gameover-overlay > * { position: relative; z-index: 1; }
#gameover-overlay h1 {
  font-weight: 300; letter-spacing: 0.1em; line-height: 1.04;
  font-size: clamp(30px, 5.5vw, 54px); color: #c4ccdb;
  text-shadow: 0 0 40px rgba(120, 150, 210, 0.28);
  margin-bottom: 18px;
}
#gameover-overlay p {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 500;
  max-width: 540px; color: #9fa9c2; line-height: 1.55;
  font-size: clamp(18px, 2.5vw, 23px); margin-bottom: 28px;
}

/* win / game-over buttons — cyan primary, matching the title screen */
#win-overlay .title-btn, #gameover-overlay .title-btn {
  width: auto; display: inline-flex; align-items: center; gap: 9px;
  font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif;
  font-size: 16px; font-weight: 500; letter-spacing: 0.06em;
  padding: 14px 32px; border-radius: 12px; cursor: pointer;
  color: #06121a; background: linear-gradient(180deg, #aef0ff, #6fe9ff); border: none;
  box-shadow: 0 6px 26px rgba(111, 233, 255, 0.32);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
#win-overlay .title-btn:hover, #gameover-overlay .title-btn:hover {
  transform: translateY(-2px); box-shadow: 0 10px 34px rgba(111, 233, 255, 0.5);
}

/* ---------- Choice overlay (player decision events, N-A) ---------- */
#choice-overlay {
  position: absolute; inset: 0; z-index: 92; overflow: hidden;
  background: radial-gradient(120% 110% at 50% 50%, rgba(120, 150, 210, 0.10) 0%, rgba(9, 13, 30, 0.88) 55%, rgba(3, 5, 14, 0.95) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
}
#choice-overlay h1 {
  font-weight: 300; letter-spacing: 0.08em; line-height: 1.04;
  font-size: clamp(28px, 5vw, 50px); color: #fdf3e2;
  text-shadow: 0 0 40px rgba(180, 200, 240, 0.35); margin-bottom: 16px;
}
#choice-overlay p {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-weight: 500;
  max-width: 560px; color: #d4dcee; line-height: 1.55;
  font-size: clamp(17px, 2.4vw, 22px); margin-bottom: 30px;
}
#choice-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; max-width: 760px; }
#choice-overlay .choice-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif;
  font-size: 17px; font-weight: 600; letter-spacing: 0.04em;
  padding: 16px 30px; border-radius: 12px; cursor: pointer; min-width: 240px;
  color: #06121a; background: linear-gradient(180deg, #aef0ff, #6fe9ff); border: none;
  box-shadow: 0 6px 26px rgba(111, 233, 255, 0.30);
  transition: transform 0.15s, box-shadow 0.15s;
}
#choice-overlay .choice-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(111, 233, 255, 0.5); }
#choice-overlay .choice-sub { font-size: 12.5px; font-weight: 500; letter-spacing: 0.02em; opacity: 0.78; font-style: italic; }

/* ---------- First-run walkthrough coach bubble ---------- */
#tutorial-coach {
  position: absolute; top: 120px; left: 50%; transform: translateX(-50%);
  width: min(440px, 92vw); z-index: 8;
  background: rgba(14, 20, 36, 0.96);
  border: 1px solid rgba(127, 212, 255, 0.6);
  border-radius: 12px; padding: 12px 16px;
  box-shadow: 0 0 26px rgba(80, 160, 255, 0.25);
}
#tutorial-coach .coach-step { font-size: 10.5px; letter-spacing: 0.5px; text-transform: uppercase; color: #7fd4ff; margin-bottom: 4px; }
#tutorial-coach .coach-text { font-size: 13.5px; line-height: 1.55; color: var(--text); }
#tutorial-coach .coach-actions { display: flex; align-items: center; gap: 12px; margin-top: 11px; }
.coach-btn {
  padding: 6px 14px; font-size: 13px; font-weight: 700; cursor: pointer; color: #04121f;
  background: linear-gradient(90deg, #7fd4ff, #9fe8ff); border: none; border-radius: 8px;
}
.coach-btn:hover { filter: brightness(1.08); }
.coach-wait { font-size: 12px; color: #9fb6d8; font-style: italic; }
.coach-skip { margin-left: auto; background: none; border: none; cursor: pointer; font-size: 11px; color: var(--text-dim); text-decoration: underline; }
.coach-skip:hover { color: #ffb0b0; }

/* ---------- Story spine: Dr. Chen briefing card (SS-U3) ---------- */
#briefing-card {
  position: absolute; top: 116px; left: 50%; transform: translateX(-50%);
  width: min(400px, 90vw); z-index: 8;
  background: rgba(16, 18, 30, 0.96);
  border: 1px solid rgba(255, 216, 77, 0.5);
  border-radius: 12px; padding: 10px 14px;
  box-shadow: 0 0 26px rgba(255, 200, 100, 0.18);
}
/* Tucked-away state: the card shrinks to a small pill the player can re-open. */
#briefing-card.collapsed { width: auto; padding: 0; background: none; border: none; box-shadow: none; }
#briefing-card .bc-who { display: flex; align-items: center; font-size: 10.5px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
#briefing-card .bc-text { font-size: 13px; line-height: 1.5; color: var(--text); }
#briefing-card .bc-actions { display: flex; align-items: center; margin-top: 10px; }
.bc-min { margin-left: auto; background: none; border: none; color: var(--text-dim); font-size: 17px; line-height: 1; cursor: pointer; padding: 0 2px; }
.bc-min:hover { color: var(--text); }
.bc-pill {
  background: rgba(16, 18, 30, 0.96); border: 1px solid rgba(255, 216, 77, 0.5); border-radius: 999px;
  color: var(--gold); font-size: 12px; font-weight: 700; padding: 5px 13px; cursor: pointer;
  box-shadow: 0 0 16px rgba(255, 200, 100, 0.15);
}
.bc-pill:hover { filter: brightness(1.1); }
.bc-btn {
  margin-left: auto; padding: 6px 14px; font-size: 13px; font-weight: 700; cursor: pointer; color: #1f1604;
  background: linear-gradient(90deg, var(--gold), #ffe488); border: none; border-radius: 8px;
}
.bc-btn:hover { filter: brightness(1.08); }

/* pulsing ring on whatever the current step is pointing at */
.coach-highlight {
  outline: 2px solid #7fd4ff !important; outline-offset: 2px; border-radius: 10px;
  animation: coach-pulse 1.4s ease-in-out infinite;
}
@keyframes coach-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(127, 212, 255, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(127, 212, 255, 0); }
}

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(110, 140, 200, 0.3); border-radius: 4px; }

/* ---- U5: Options menu (sound · interface size · accessibility) ---- */
.opt-section { font-weight: 700; color: #9fd8ff; margin: 14px 0 6px; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; opacity: .8; }
.opt-section:first-child { margin-top: 0; }
.opt-row { display: flex; align-items: center; gap: 10px; padding: 7px 0; }
.opt-row label { flex: 1 1 auto; color: #c9d4ee; font-size: 14px; }
.opt-row input[type=range] { flex: 0 0 150px; accent-color: #7fd4ff; cursor: pointer; }
.opt-row input[type=checkbox] { width: 18px; height: 18px; accent-color: #7fd4ff; cursor: pointer; }
.opt-val { flex: 0 0 44px; text-align: right; color: #8fb6e6; font-size: 13px; font-variant-numeric: tabular-nums; }
.opt-note { margin-top: 6px; color: #8a93b4; font-size: 12px; line-height: 1.8; }
.opt-note kbd { background: rgba(110,140,200,.18); border: 1px solid rgba(110,140,200,.3); border-radius: 4px; padding: 1px 5px; font-size: 11px; color: #cfe6ff; }

/* U5: interface size — scales the persistent HUD layers without touching the game canvas */
#topbar, #milestones, #alerts-feed, #side-panel, #buildbar, #minimap-wrap, #challenge-card { zoom: var(--ui-scale, 1); }

/* U5: colorblind-friendly cues — distinguish red/amber status by SHAPE, not hue alone */
body.colorblind .sp-badge.off::before { content: '■ '; }
body.colorblind .sp-badge.fix::before { content: '▲ '; }
body.colorblind .sp-badge.off { outline: 2px dotted currentColor; outline-offset: 1px; }
body.colorblind .toast.critical { border-left: 5px dashed #ffd24d; }

/* ---- U12: demo content-gate overlay (mirrors the win / gameover overlays) ---- */
#demo-overlay {
  position: absolute; inset: 0; z-index: 95; overflow: hidden;
  background: radial-gradient(120% 110% at 50% 60%, rgba(120,150,255,0.10) 0%, rgba(9,13,30,0.90) 52%, rgba(3,5,14,0.95) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px; gap: 13px;
  font-family: 'Hanken Grotesk', 'Segoe UI', system-ui, sans-serif;
}
#demo-overlay h1 { font-weight: 300; letter-spacing: 0.06em; font-size: clamp(30px,5vw,52px); color: #cfe0ff; text-shadow: 0 0 40px rgba(140,170,255,0.4); margin: 0 0 6px; }
#demo-overlay p { max-width: 560px; color: #d4dcee; line-height: 1.6; font-size: clamp(16px,2.2vw,20px); margin: 0; }
#demo-overlay .title-btn { margin-top: 10px; }