/* Guided-game pages. Same palette as the main app (index.php). */
:root { --bg: #10161c; --card: rgba(14, 20, 27, 0.88); --line: rgba(255, 255, 255, 0.1); --text: #e8eef6; --muted: #93a4b5; --amber: #ffc857; --good: #3ddc97; --bad: #ff6b6b; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: "Segoe UI", sans-serif; }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
.mb-bar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.mb-brand { color: var(--text); font-weight: 750; font-size: 18px; letter-spacing: -0.02em; }
.mb-bar nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.mb-who { margin-left: auto; color: var(--muted); font-size: 13px; }
main.mb-main { max-width: 980px; margin: 0 auto; padding: 22px 16px 40px; }
h1 { font-size: 26px; letter-spacing: -0.03em; margin: 0 0 14px; }
h2 { font-size: 18px; margin: 24px 0 10px; }
.mb-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; margin-bottom: 14px; }
.mb-muted, .fine { color: var(--muted); font-size: 13px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 8px 0 4px; }
input[type=text], textarea, select { width: 100%; background: #0c1217; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font: inherit; font-size: 14px; }
textarea { min-height: 70px; resize: vertical; }
.mb-btn { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 999px; padding: 7px 14px; cursor: pointer; font: inherit; font-size: 13px; }
.mb-btn:hover { border-color: rgba(255, 255, 255, 0.28); }
.mb-btn.primary { background: var(--amber); color: #1a1408; border-color: var(--amber); font-weight: 700; }
.mb-btn.good { background: var(--good); color: #102018; border-color: var(--good); font-weight: 700; }
.mb-btn.danger { border-color: #e05a5a; color: #ff8a8a; }
.mb-btn.danger:hover { background: #e05a5a; color: #1a0808; }
.mb-btn:disabled { opacity: 0.45; cursor: default; }
.mb-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.mb-msg { font-size: 14px; min-height: 1.2em; margin: 8px 0 0; }
.mb-msg.ok { color: var(--good); } .mb-msg.bad { color: var(--bad); }
table.mb-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.mb-table th, .mb-table td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); }
.mb-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.mb-table td.done { color: var(--good); } .mb-table td.tried { color: var(--amber); }
.pill { display: inline-block; border-radius: 999px; padding: 2px 9px; font-size: 12px; border: 1px solid var(--line); color: var(--muted); }
.pill.published { color: var(--good); border-color: var(--good); }
code.link { display: block; overflow-wrap: anywhere; background: #0c1217; border-radius: 8px; padding: 8px; font-size: 13px; }

/* Editor and play: 3D stage with side panels */
body.mb-stage-page { height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.mb-work { flex: 1; display: grid; grid-template-columns: 260px 1fr 300px; min-height: 0; }
.mb-work.play { grid-template-columns: 1fr 320px; }
.mb-side { padding: 14px; overflow-y: auto; border-right: 1px solid var(--line); }
.mb-side.right { border-right: 0; border-left: 1px solid var(--line); }
.mb-stagewrap { position: relative; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
#stage { flex: 1; min-height: 0; }
.mb-tray { display: flex; gap: 6px; overflow-x: auto; background: var(--card); border-top: 1px solid var(--line); padding: 8px 10px; }
.tray-btn { display: flex; flex-direction: column; align-items: center; gap: 3px; min-width: 64px; background: transparent; border: 1px solid transparent; color: var(--text); border-radius: 12px; padding: 4px 4px 6px; cursor: pointer; font: inherit; }
.tray-btn:hover { background: rgba(255, 255, 255, 0.04); }
.sym { height: 38px; min-width: 38px; padding: 0 8px; border-radius: 999px; display: grid; place-items: center; font-weight: 750; font-size: 15px; }
.lbl { font-size: 11px; color: var(--muted); }
/* Molecule chips in the editor tray (same look as the free-play tray's discovered molecules) */
.sym.mol { background: #243140; color: #ffd37a; font-size: 13px; }
.tray-btn.mol-btn .lbl { max-width: 92px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-tray .tray-sep { flex: 0 0 1px; background: var(--line); margin: 4px 4px; }
#stage.drop-ok { outline: 2px dashed rgba(255, 200, 87, 0.6); outline-offset: -4px; }
.mb-stage-help { position: absolute; left: 12px; top: 10px; right: 12px; color: var(--muted); font-size: 12px; pointer-events: none; }
.mb-formula { position: absolute; right: 14px; bottom: 74px; font-size: 22px; font-weight: 720; color: #ffd37a; pointer-events: none; }
ol.mb-steps { list-style: none; padding: 0; margin: 0; }
ol.mb-steps li { display: flex; align-items: center; gap: 6px; padding: 7px 8px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 6px; cursor: grab; font-size: 14px; }
ol.mb-steps li.on { border-color: var(--amber); background: rgba(255, 200, 87, 0.08); }
ol.mb-steps li .n { color: var(--muted); width: 18px; }
ol.mb-steps li .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
ol.mb-steps li button { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0 3px; font-size: 13px; }
ol.mb-steps li.dragover { border-style: dashed; border-color: var(--good); }
.mb-progress { height: 8px; background: #0c1217; border-radius: 99px; overflow: hidden; margin: 8px 0 14px; }
.mb-progress > div { height: 100%; background: var(--good); width: 0; transition: width 0.3s; }
.mb-goal-kicker { color: var(--amber); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
.mb-goal-name { font-size: 26px; font-weight: 720; letter-spacing: -0.03em; margin-top: 2px; }
.mb-goal-formula { font-size: 18px; font-weight: 650; color: #ffd37a; margin-top: 2px; }
@media (max-width: 860px) { .mb-work, .mb-work.play { grid-template-columns: 1fr; overflow-y: auto; } #stage { min-height: 360px; } }
.mb-hub { font-weight: 600; white-space: nowrap; }
.mb-dialog-back { position: fixed; inset: 0; z-index: 1000; background: rgba(0, 0, 0, 0.55); display: flex; align-items: center; justify-content: center; padding: 16px; }
.mb-dialog { max-width: 380px; width: 100%; }
.mb-dialog .q { margin: 0 0 12px; }
.mb-picker { max-width: 520px; }
.mb-picker .list { max-height: 60vh; overflow-y: auto; margin: 10px 0; }
.mb-picker .lvl { display: flex; justify-content: space-between; align-items: center; margin: 12px 0 4px; color: var(--amber); font-weight: 700; font-size: 13px; }
.mb-picker .mol { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 3px 0; border-bottom: 1px solid var(--line); }
.mb-picker .mol label { margin: 0; color: var(--text); font-size: 14px; flex: 1; cursor: pointer; }
.mb-picker .lvl .mb-btn, .mb-picker .mol .mb-btn { padding: 3px 10px; font-size: 12px; }
/* Guided games list */
.mb-guided h2 { margin: 22px 0 10px; font-size: 18px; }
.mb-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.mb-gcard { margin: 0; display: flex; flex-direction: column; gap: 6px; }
.mb-gcard h3 { margin: 0; font-size: 16px; }
.mb-gcard p { margin: 0; }
.mb-gdesc { font-size: 14px; flex: 1; }
.mb-gcard details ol { margin: 6px 0 0; padding-left: 22px; font-size: 13px; }
.mb-gcard summary, .mb-guided details > summary { cursor: pointer; }
.mb-gcard form { display: inline; }
.mb-gcard .mb-msg:empty { display: none; }
.mb-foot { text-align: center; padding: 18px 12px 24px; font-size: 12px; opacity: 0.75; }
.mb-foot a { color: inherit; }
/* Easy mode (20261024p1j) */
.pill.easy { background: #1f3b2a; color: #9be7b4; border: 1px solid #2f6b45; }
label.mb-check { display: flex; gap: 8px; align-items: flex-start; margin-top: 10px; font-size: 14px; color: var(--text); cursor: pointer; }
label.mb-check input { width: auto; margin-top: 3px; }
.pill.harder { background: #3b2a1f; color: #ffc48a; border: 1px solid #6b4a2f; }
label.mb-check.sub { margin-left: 22px; margin-top: 4px; }
label.mb-check[hidden] { display: none; }