:root {
  --bg: #06070f;
  --panel: rgba(12, 16, 28, 0.86);
  --panel-solid: #0f1424;
  --line: rgba(150, 180, 220, 0.22);
  --text: #e9eef8;
  --muted: #9aa6bd;
  --swarm: #7ce7ff;
  --amber: #ffb457;
  --native: #ff8a4a;
  --danger: #ff5a5a;
  --good: #8dffb0;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; overflow: hidden; }
button { font: inherit; color: var(--text); background: rgba(40, 52, 78, 0.85); border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; cursor: pointer; min-height: 36px; }
button:hover:not(:disabled) { border-color: rgba(124, 231, 255, 0.6); }
button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--swarm); outline-offset: 2px; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: linear-gradient(180deg, #2fb6d8, #1b7fa0); border-color: #6fe0ff; color: #04131a; font-weight: 700; }
button.ghost { background: transparent; }
button.danger { border-color: rgba(255, 90, 90, 0.55); }
button[aria-pressed="true"] { background: rgba(124, 231, 255, 0.2); border-color: var(--swarm); }
a { color: var(--swarm); }

.screen { position: fixed; inset: 0; display: none; }
.screen.active { display: block; }

/* ---- Title ---- */
#title-stars { position: absolute; inset: 0; width: 100%; height: 100%; }
.title-card { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(560px, calc(100% - 32px)); text-align: center; padding: 28px 24px; background: rgba(6, 8, 18, 0.55); border: 1px solid var(--line); border-radius: 16px; backdrop-filter: blur(4px); }
.kicker { margin: 0; color: var(--amber); letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
.title-card h1 { margin: 6px 0 10px; font-size: clamp(44px, 10vw, 76px); letter-spacing: 0.04em; background: linear-gradient(180deg, #ffffff, #7ce7ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tagline { color: #cfd7ea; margin: 0 0 20px; }
.title-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.title-actions .primary { padding: 10px 26px; font-size: 17px; }
.title-card { max-height: calc(100dvh - 24px); overflow-y: auto; }
/* FIX-10: keep the title galaxy in view. On wide screens the card sits on the left and the galaxy
   fills the right; on tall phones the card sits low and the galaxy shows above it. drawTitle
   (main.mjs) places the galaxy in whatever space the card leaves. */
@media (min-width: 720px) and (min-aspect-ratio: 5/4) {
  .title-card { left: clamp(16px, 5vw, 80px); transform: translateY(-50%); width: min(520px, 46vw); }
}
@media (max-aspect-ratio: 4/5) and (min-height: 640px) {
  .title-card { top: auto; bottom: 16px; transform: translateX(-50%); }
}
.save-notice { margin: 14px 0 0; padding: 12px; text-align: left; border: 1px solid var(--amber); border-radius: 8px; font-size: 13px; }
.save-notice p { margin: 0 0 10px; }
#save-backups { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); }
#save-backup-choice { width: 100%; margin: 8px 0; padding: 8px; background: var(--panel-solid); color: var(--text); border: 1px solid var(--line); border-radius: 5px; }
#save-action-status { color: var(--amber); overflow-wrap: anywhere; }
.title-progress { color: var(--muted); min-height: 1.4em; margin: 14px 0 0; }
.title-foot { color: var(--muted); font-size: 13px; margin: 16px 0 0; }

/* ---- Galaxy ---- */
.bar { position: absolute; top: 0; left: 0; right: 0; display: flex; align-items: center; gap: 14px; padding: 8px 14px; background: linear-gradient(180deg, rgba(4, 6, 14, 0.92), rgba(4, 6, 14, 0.6)); z-index: 2; flex-wrap: wrap; }
.bar h2 { margin: 0; font-size: 17px; }
.bar-stats { display: flex; gap: 14px; color: var(--muted); margin-left: auto; flex-wrap: wrap; }
.bar-stats strong { color: var(--text); }
.galaxy-body { position: absolute; inset: 0; }
#galaxy-canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(6px); }
#planet-panel { position: absolute; right: 14px; top: 64px; bottom: 14px; width: min(360px, calc(100% - 28px)); padding: 16px; overflow: auto; z-index: 2; }
#planet-panel h3 { margin: 0; font-size: 24px; }
#planet-panel .subtitle { color: var(--muted); margin: 0 0 10px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.badge { font-size: 12px; padding: 3px 8px; border-radius: 99px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); }
.badge.threat { border-color: rgba(255, 138, 74, 0.6); }
.pips { letter-spacing: 1px; color: var(--native); }
.section-title { margin: 14px 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.hazard-list, .objective-list, .notes { margin: 0; padding-left: 18px; }
.hazard-list li, .objective-list li { margin: 4px 0; }
.hazard-list small { color: var(--muted); display: block; }
.invade { width: 100%; margin-top: 16px; padding: 12px; font-size: 17px; }
.locked-note { color: var(--muted); margin-top: 14px; }
/* Replay challenges (ECON-04) in the planet panel. */
.challenge-note { color: var(--muted); font-size: 13px; margin: 2px 0 8px; }
.challenge-list { display: grid; gap: 6px; }
.challenge { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-align: left; padding: 8px 10px; }
.challenge small { color: var(--muted); }
button.challenge[aria-pressed="true"] { background: rgba(255, 180, 87, 0.16); border-color: var(--amber); }
.challenge-reward { font-size: 13px; margin: 8px 0 0; }
.objective-list .challenges, #objective-list .challenges { color: #ffd479; }

/* ---- Mission ---- */
#mission-canvas, #mission-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
#mission-overlay { touch-action: none; cursor: crosshair; }
.hud-top { position: absolute; top: 0; left: 0; right: 0; display: flex; align-items: center; gap: 12px; padding: 6px 10px; padding-top: max(6px, env(safe-area-inset-top)); background: linear-gradient(180deg, rgba(4, 6, 14, 0.85), rgba(4, 6, 14, 0)); pointer-events: none; flex-wrap: wrap; }
.hud-top > * { pointer-events: auto; }
.hud-planet { display: flex; flex-direction: column; line-height: 1.15; }
.hud-planet strong { font-size: 16px; }
.hud-planet span, .hud-stat span { color: var(--muted); font-size: 12px; }
.hud-stat { display: flex; flex-direction: column; line-height: 1.15; min-width: 54px; }
.hud-stat strong { font-variant-numeric: tabular-nums; }
.hud-alarm { min-width: 130px; }
.hud-alarm em { font-style: normal; color: var(--text); }
.meter { position: relative; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.12); margin-top: 3px; overflow: hidden; }
.meter-fill { height: 100%; width: 0; background: linear-gradient(90deg, #ffd479, #ff8a4a, #ff3b3b); transition: width 0.3s; }
.meter i { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(0, 0, 0, 0.5); }
.hud-hazard { padding: 4px 10px; border-radius: 99px; font-size: 13px; font-weight: 600; background: rgba(255, 180, 87, 0.2); border: 1px solid var(--amber); }
.hud-hazard.forecast { background: rgba(255, 180, 87, 0.08); border-color: rgba(255, 180, 87, 0.45); font-weight: 500; color: var(--muted); }
/* Phones: the quiet forecast would push the HUD buttons onto a third row; warnings still show. */
@media (max-width: 720px) { .hud-hazard.forecast { display: none; } }
.hazard-counters { color: var(--muted); font-size: 13px; margin: 6px 0 0; }
.hud-hazard.active { background: rgba(255, 90, 90, 0.25); border-color: var(--danger); animation: pulse 1s infinite alternate; }
@keyframes pulse { from { opacity: 0.75; } to { opacity: 1; } }
.hud-buttons { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.hud-buttons button { min-height: 32px; padding: 4px 10px; }

.hud-left { position: absolute; left: 10px; top: 64px; width: min(290px, 46vw); display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.hud-left > * { pointer-events: auto; }
.panel.small { padding: 6px 10px; font-size: 13px; }
.panel.small summary { cursor: pointer; font-weight: 600; }
.hud-left details:not([open]) { width: max-content; max-width: 100%; }
.hud-left summary { min-height: 24px; line-height: 24px; }
#log-box[open] summary { margin-bottom: 6px; }
#objective-list { list-style: none; margin: 6px 0 0; padding: 0; }
#objective-list li { display: flex; gap: 6px; margin: 3px 0; }
#objective-list li .mark { width: 1.1em; flex: none; text-align: center; }
#objective-list li.done .mark { color: var(--good); }
#objective-list li.failed { color: var(--muted); text-decoration: line-through; }
#objective-list li.failed .mark { color: var(--danger); }
#objective-list li small { color: var(--muted); margin-left: auto; white-space: nowrap; }
.coach { margin: 8px 0 2px; padding: 6px 8px; border-radius: 6px; background: rgba(124, 231, 255, 0.12); border-left: 3px solid var(--swarm); }
.coach .steps { display: block; color: var(--swarm); letter-spacing: 2px; font-size: 12px; margin-bottom: 2px; }
.coach button.link { background: none; border: 0; padding: 0 0 0 4px; min-height: 0; color: var(--muted); text-decoration: underline; font-size: 12px; }
.tutorial-target { animation: tutorial-pulse 1.3s ease-in-out infinite; }
@keyframes tutorial-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(124, 231, 255, 0.75); } 50% { box-shadow: 0 0 0 7px rgba(124, 231, 255, 0); } }
.hud-log { list-style: none; margin: 0; padding: 0; font-size: 12.5px; text-shadow: 0 1px 2px #000; }
.hud-log li { margin: 2px 0; padding: 3px 8px; border-radius: 6px; background: rgba(6, 8, 16, 0.55); }
.hud-log .good { color: var(--good); }
.hud-log .bad { color: #ffb0a0; }
.hud-log .warn { color: #ffd479; }

#minimap-panel { position: absolute; right: 10px; top: 64px; width: 150px; }
#minimap { display: block; width: 100%; height: 150px; border: 1px solid var(--line); border-radius: 8px; background: rgba(6, 8, 16, 0.7); cursor: pointer; touch-action: none; }
#minimap-mode { width: 100%; min-height: 40px; margin-top: 4px; padding: 5px 3px; font-size: 11px; }
#minimap-mode[aria-pressed="true"] { border-color: var(--swarm); color: var(--swarm); }
#free-camera { width: 100%; min-height: 36px; margin-top: 4px; padding: 4px 3px; font-size: 11px; }
#free-camera[aria-pressed="true"] { border-color: var(--swarm); color: var(--swarm); }
.camera-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 4px; }
.camera-buttons button { min-height: 34px; padding: 3px 2px; font-size: 11px; }
#follow-button[aria-pressed="true"] { border-color: var(--swarm); color: var(--swarm); }
.free-controls { position: absolute; left: 10px; bottom: 72px; z-index: 8; display: grid; grid-template-columns: repeat(2, 48px); gap: 6px; }
.free-controls[hidden] { display: none; }
.free-controls button { min-height: 48px; padding: 0; font-size: 18px; touch-action: none; opacity: 0.9; }

.hud-bottom { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: flex-end; gap: 10px; padding: 8px 10px; padding-bottom: max(8px, env(safe-area-inset-bottom)); background: linear-gradient(0deg, rgba(4, 6, 14, 0.85), rgba(4, 6, 14, 0)); pointer-events: none; }
.hud-bottom > * { pointer-events: auto; }
.squad-bar { display: flex; gap: 6px; overflow-x: auto; flex: 1; padding-bottom: 2px; }
.squad-card { flex: none; min-width: 104px; text-align: left; display: flex; flex-direction: column; gap: 2px; padding: 5px 8px; border-left: 4px solid var(--squad, var(--swarm)); }
.squad-card[aria-pressed="true"] { background: rgba(124, 231, 255, 0.22); }
.squad-card strong { font-size: 13px; }
.squad-card span { font-size: 11.5px; color: var(--muted); }
.squad-card .health { height: 3px; background: rgba(255, 255, 255, 0.15); border-radius: 2px; overflow: hidden; }
.squad-card .health i { display: block; height: 100%; background: var(--good); }
.command-buttons { display: flex; gap: 6px; flex: none; }
#squad-tools { font: inherit; color: var(--text); background: rgba(40, 52, 78, 0.85); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; min-height: 36px; max-width: 150px; }
#squad-tools[hidden] { display: none; }

.drop-panel { position: absolute; right: 10px; bottom: 70px; width: min(380px, calc(100% - 20px)); padding: 12px; z-index: 5; }
.drop-panel header { display: flex; align-items: center; justify-content: space-between; }
.drop-panel h3 { margin: 0; }
.drop-presets { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 0; }
.drop-presets button { padding: 4px 10px; font-size: 13px; }
.drop-presets button[aria-pressed="true"] { border-color: var(--accent, #5fe3ff); color: var(--accent, #5fe3ff); }
.drop-rows { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; max-height: 46vh; overflow: auto; }
.drop-row { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; }
.drop-row .name { font-weight: 600; }
.drop-row .meta { color: var(--muted); font-size: 12px; grid-column: 1; }
.stepper { display: flex; align-items: center; gap: 4px; grid-row: 1 / span 2; grid-column: 2; }
.stepper button { min-width: 34px; padding: 4px; }
.stepper output { min-width: 2ch; text-align: center; font-variant-numeric: tabular-nums; font-weight: 700; }
.drop-summary { margin: 4px 0; font-variant-numeric: tabular-nums; }
.drop-reason { margin: 0 0 6px; color: #ffd479; min-height: 1.3em; font-size: 13px; }
.drop-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.drop-actions button { flex: 1; }

.placement-hint { position: absolute; left: 50%; top: 70px; transform: translateX(-50%); padding: 8px 12px; border-radius: 99px; background: rgba(12, 40, 52, 0.92); border: 1px solid var(--swarm); z-index: 6; max-width: calc(100% - 20px); text-align: center; }
.placement-hint button { min-height: 28px; padding: 2px 10px; margin-left: 6px; }

.toasts { position: absolute; left: 50%; top: 66px; transform: translateX(-50%); display: flex; flex-direction: column; gap: 6px; align-items: center; pointer-events: none; z-index: 7; width: min(520px, calc(100% - 20px)); }
.toast { padding: 7px 14px; border-radius: 10px; background: rgba(10, 14, 26, 0.92); border: 1px solid var(--line); animation: toast-in 0.25s ease-out; text-align: center; }
.toast.good { border-color: rgba(141, 255, 176, 0.6); }
.toast.bad { border-color: rgba(255, 90, 90, 0.7); }
.toast.tip { border-color: rgba(255, 212, 121, 0.6); text-align: left; }
.toast.clickable { pointer-events: auto; cursor: pointer; font: inherit; color: inherit; min-height: 0; }
.toast.clickable:hover { border-color: var(--swarm); }
.toast.warn { border-color: rgba(255, 212, 121, 0.7); }
.toast.achievement { border-color: #ffd479; background: linear-gradient(90deg, rgba(60, 44, 10, 0.95), rgba(20, 16, 8, 0.95)); }
@keyframes toast-in { from { transform: translateY(-8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---- Dialogs ---- */
.clean-view-button { position: absolute; right: 10px; top: 68px; z-index: 8; padding: 5px 9px; font-size: 12px; opacity: 0.85; }
.clean-view .clean-view-button { top: 10px; }
.clean-view .hud-top, .clean-view .hud-left, .clean-view .hud-bottom,
.clean-view #minimap-panel, .clean-view #drop-panel, .clean-view #placement-hint,
.clean-view #toasts { display: none; }
.dialog { background: var(--panel-solid); color: var(--text); border: 1px solid var(--line); border-radius: 14px; width: min(520px, calc(100% - 24px)); max-height: calc(100% - 24px); padding: 18px 20px; }
.dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
.dialog h2 { margin: 0 0 6px; }
.stars { font-size: 28px; color: #ffd479; margin: 0 0 8px; letter-spacing: 3px; }
.stat-grid { display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; margin: 12px 0; font-variant-numeric: tabular-nums; }
.stat-grid dt { color: var(--muted); }
.stat-grid dd { margin: 0; text-align: right; }
.notes li { margin: 4px 0; color: var(--good); }
.pause-menu { width: min(360px, calc(100% - 24px)); }
.pause-summary { color: var(--muted); margin: 0 0 12px; }
.pause-actions { display: flex; flex-direction: column; gap: 8px; }
.pause-actions button { padding: 10px; font-size: 15px; }
.pause-settings { display: flex; gap: 8px; flex-wrap: wrap; }
.pause-note { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
/* Settings (CTRL-10). UI size scales the battle's panels and every dialog together. */
.hud-top, .hud-left, .hud-bottom, #minimap-panel, .drop-panel, .placement-hint, .toasts, .clean-view-button, .dialog { zoom: var(--ui-scale, 1); }
/* Panels under the top bar sit below its real height (--hud-top, measured by the page), which
   grows when the bar wraps at a larger UI size or on a narrow screen. */
.hud-left, #minimap-panel { top: calc(max(64px * var(--ui-scale, 1), var(--hud-top, 0px) + 10px) / var(--ui-scale, 1)); }
.clean-view-button { top: calc(max(68px * var(--ui-scale, 1), var(--hud-top, 0px) + 14px) / var(--ui-scale, 1)); }
.settings-dialog { width: min(440px, calc(100% - 24px)); }
.settings-grid { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.settings-note { margin: 0 0 6px; min-height: 2.8em; }
/* The key list takes the room left in the dialog and scrolls, so Done stays on screen. */
.settings-dialog[open] { display: flex; flex-direction: column; }
.settings-dialog[open] > * { flex: none; }
.settings-dialog[open] > .settings-keys { flex: 1 1 auto; min-height: 96px; }
.settings-keys { display: grid; align-content: start; gap: 4px; max-height: 420px; overflow-y: auto; padding-right: 4px; }
.settings-group { margin: 8px 0 2px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.settings-key { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.settings-key button { min-width: 96px; min-height: 30px; }
.galaxy-resume { width: 100%; margin: 0 0 12px; }
.dialog-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; flex-wrap: wrap; }
.achievement-list { list-style: none; padding: 0; margin: 8px 0; display: grid; gap: 6px; }
.achievement-list li { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.achievement-list li.earned { border-color: rgba(255, 212, 121, 0.7); background: rgba(255, 212, 121, 0.07); }
.achievement-list li small { display: block; color: var(--muted); }
.frontier-note { color: var(--muted); margin: 0 0 6px; }
.upgrade-list li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 10px; }
.upgrade-list li small { grid-column: 1; }
.upgrade-list li button { grid-column: 2; grid-row: 1 / span 2; min-width: 96px; }
.upgrade-list .pips { color: var(--swarm); letter-spacing: 2px; font-size: 12px; }
.guide-dialog { width: min(640px, calc(100% - 24px)); }
.guide-dialog h3 { margin: 14px 0 4px; }
.guide-list ul { margin: 4px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.guide-list ul li { border: 0; border-radius: 0; padding: 1px 0; list-style: disc; }
.frontier-list p { margin: 6px 0; }
.frontier-list button { margin-top: 8px; width: 100%; }
.frontier-list .frontier-record { color: #ffd479; margin-top: 4px; }
.no-webgl { position: fixed; inset: auto 16px 16px 16px; padding: 12px; background: #301010; border: 1px solid var(--danger); border-radius: 8px; }

@media (max-width: 720px) {
  .clean-view-button { top: calc(max(102px * var(--ui-scale, 1), var(--hud-top, 0px) + 18px) / var(--ui-scale, 1)); }
  .clean-view .clean-view-button { top: max(10px, env(safe-area-inset-top)); }
  #planet-panel { top: auto; bottom: 0; right: 0; left: 0; width: auto; max-height: 52%; border-radius: 14px 14px 0 0; }
  .bar-stats { display: none; }
  .hud-top { gap: 8px; }
  .hud-alarm { min-width: 96px; }
  /* The left panels stay clear of the minimap column at any UI size. */
  .hud-left { top: calc(max(104px * var(--ui-scale, 1), var(--hud-top, 0px) + 20px) / var(--ui-scale, 1)); width: calc(min(60vw, 100vw - 150px * var(--ui-scale, 1)) / var(--ui-scale, 1)); }
  #objectives-box:not([open]) { width: max-content; }
  #minimap-panel { top: auto; bottom: 122px; width: 110px; }
  #minimap { height: 110px; }
  .hud-bottom { flex-direction: column; align-items: stretch; }
  .command-buttons { justify-content: flex-end; }
  .drop-panel { bottom: 116px; }
}