/* Scene player (interactive lessons). Shared by the member app and Surf Hub HQ. */
/* ── interactive lessons (scene player) ── */
.scn{display:grid;gap:10px;margin-bottom:14px}
.scn-top{display:flex;align-items:center;gap:10px}
.scn-prog{flex:1;height:6px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.scn-prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal,#0FB9B1),var(--gold,#C8A84B));transition:width .4s}
.scn-snd{background:none;border:1px solid var(--line2,rgba(244,240,230,.18));border-radius:999px;min-width:40px;min-height:34px;cursor:pointer;font-size:1rem}
.scn-stage{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line2,rgba(244,240,230,.18));background:#8EC3DE;box-shadow:var(--sh,0 14px 40px rgba(0,0,0,.35))}
.scn-stage svg{display:block;width:100%;height:auto;user-select:none;-webkit-user-select:none}
.scn-hint{pointer-events:none;position:absolute;left:50%;top:10px;transform:translateX(-50%);max-width:calc(100% - 24px);padding:7px 14px;border-radius:999px;font-weight:700;font-size:.88rem;text-align:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.scn-hint.ok{background:#2BBF83;color:#06201F}.scn-hint.bad{background:#FFF4F3;color:#8E1C19}
.scn-panel{background:var(--card,#0D2136);border:1px solid var(--line2,rgba(244,240,230,.18));border-radius:18px;padding:14px 16px;display:grid;gap:10px}
.scn-name{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--navy,#0A2540);background:var(--gold,#C8A84B);border-radius:999px;padding:3px 10px}
body.bn .scn-name{letter-spacing:.02em;font-size:.8rem}
.scn-say{font-size:1.12rem;line-height:1.5;color:var(--tx,#F4F0E6);min-height:1.5em}
body.bn .scn-say{font-size:1.16rem;line-height:1.65}
.scn-tip{margin:0;color:var(--tx3,rgba(244,240,230,.52));font-size:.85rem}
.scn-nav{display:flex;gap:8px}.scn-nav .grow{flex:1}
.scn-back{min-width:48px;font-size:1.3rem}
.scn-opts{display:grid;gap:8px}
.scn-opt{display:flex;align-items:center;gap:12px;text-align:left;width:100%;min-height:52px;padding:10px 14px;border-radius:14px;border:1px solid var(--line2,rgba(244,240,230,.18));background:rgba(255,255,255,.04);color:var(--tx,#F4F0E6);cursor:pointer;font-size:.98rem;transition:border-color .15s,background .15s}
.scn-opt .box{flex:none;width:28px;height:28px;border-radius:8px;border:2px solid var(--line2,rgba(244,240,230,.18));display:grid;place-items:center;font-weight:800;font-size:.8rem;color:var(--tx2,rgba(244,240,230,.74))}
.scn-opt:hover{border-color:var(--gold,#C8A84B)}
.scn-opt.sel{border-color:var(--gold,#C8A84B);background:rgba(200,168,75,.12)}.scn-opt.sel .box{background:var(--gold,#C8A84B);border-color:var(--gold,#C8A84B);color:var(--navy,#0A2540)}
.scn-opt.right{border-color:#2BBF83;background:rgba(43,191,131,.14)}.scn-opt.right .box{background:#2BBF83;border-color:#2BBF83;color:#06201F}
.scn-opt.wrong{border-color:#EF5350;background:rgba(239,83,80,.12)}.scn-opt.wrong .box{background:#EF5350;border-color:#EF5350;color:#fff}
.scn-opt.dim{opacity:.55}.scn-opt:disabled{cursor:default}
.scn-verdict{font-weight:800;font-size:1rem;margin:4px 0}.scn-verdict.ok{color:#7FE3B6}.scn-verdict.bad{color:#FFA7A5}
.scn-fb p{margin:.2em 0 .5em;color:var(--tx2,rgba(244,240,230,.74))}
.scn-ord{margin:0;padding-left:1.4em;display:grid;gap:6px}.scn-ord:empty{display:none}
.scn-ord li{padding:8px 12px;border-radius:12px;background:rgba(15,185,177,.12);border:1px solid rgba(15,185,177,.35)}
.scn-card{background:#F4F0E6;color:#0A2540;border-radius:16px;padding:16px 18px;border-left:6px solid var(--gold,#C8A84B)}
.scn-card .eyebrow{color:#8A6D1F}.scn-card h3{color:#0A2540;font-family:var(--fd,'Cormorant Garamond',Georgia,serif);font-size:1.4rem;margin-bottom:8px}
body.bn .scn-card h3{font-family:var(--fb,'Hind Siliguri','Noto Sans Bengali',sans-serif)}
.scn-card ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.scn-done{text-align:center}.scn-done .ring-row{justify-content:center;text-align:left}
.scn-done-ic .ic{width:44px;height:44px;color:#2BBF83}
.scn-read summary{cursor:pointer;font-weight:700;display:flex;align-items:center;gap:8px}
.badge.tiny{font-size:.62rem;padding:2px 7px;vertical-align:2px;background:rgba(15,185,177,.16);color:#7FE3DC}
/* stage art */
.scn .wv{animation:wv 3.2s ease-in-out infinite}
@keyframes wv{0%,100%{transform:translateY(0);opacity:.85}50%{transform:translateY(4px);opacity:.45}}
.scn .wash{animation:wash 4s ease-in-out infinite}
@keyframes wash{50%{transform:translateY(5px);opacity:.3}}
.scn .foam circle{animation:foam 3s linear infinite}
@keyframes foam{from{transform:translateY(0);opacity:.9}to{transform:translateY(-60px);opacity:0}}
.scn .flow{stroke-dasharray:14 10;animation:flow 1s linear infinite}
@keyframes flow{to{stroke-dashoffset:-24}}
.scn .fx{transition:opacity .6s}
.scn .tent{animation:tent 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:top}
@keyframes tent{50%{transform:skewX(8deg)}}
.scn .cloth{animation:cloth 2.6s ease-in-out infinite;transform-box:fill-box;transform-origin:left}
@keyframes cloth{50%{transform:scaleX(.9) skewY(3deg)}}
.scn .fpole .halo{transition:opacity .4s}.scn .fpole.lit .halo{opacity:1}.scn .fpole.lit{filter:drop-shadow(0 0 6px rgba(255,233,163,.9))}
.scn .flag-l{font:700 15px var(--f,'DM Sans',system-ui,sans-serif);fill:#0A2540;text-anchor:start}
body.bn .scn .flag-l{font-family:var(--fb,'Hind Siliguri','Noto Sans Bengali',sans-serif)}
.scn .map-sea{font:italic 600 22px var(--fd,'Cormorant Garamond',Georgia,serif);fill:#4F7C8C}.scn .map-land{font:700 14px var(--f,'DM Sans',system-ui,sans-serif);fill:#5E6B45;letter-spacing:.1em}
.scn .map-l{font:700 15px var(--f,'DM Sans',system-ui,sans-serif);fill:#0A2540;paint-order:stroke;stroke:#F4F0E6;stroke-width:4px}
body.bn .scn .map-l,body.bn .scn .map-sea,body.bn .scn .map-land{font-family:var(--fb,'Hind Siliguri','Noto Sans Bengali',sans-serif)}
.scn .lg-t{font:900 11px var(--f,'DM Sans',system-ui,sans-serif);fill:#FFD54F;text-anchor:middle;letter-spacing:.04em}
.scn .tgt{fill:transparent;stroke:none;pointer-events:none}
.scn svg.spotting{cursor:crosshair}.scn svg.spotting .tgt{pointer-events:all}
.scn .tgt.reveal{stroke:#FFE9A3;stroke-width:5;stroke-dasharray:10 8;fill:rgba(255,233,163,.18);animation:flow 1s linear infinite}
.scn .hit{fill:rgba(43,191,131,.25);stroke:#2BBF83;stroke-width:5;animation:pop .5s ease-out}
@keyframes pop{from{r:6;opacity:0}}
.scn .miss{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.scn .ch{transition:transform 1s ease-in-out,opacity .5s}
.scn .ch .vch{animation:breathe 3.6s ease-in-out infinite;transform-origin:0 0}
@keyframes breathe{50%{transform:scaleY(1.012)}}
.scn .ch .eyes{animation:blink 4.2s infinite;transform-box:fill-box;transform-origin:center}
@keyframes blink{0%,93%,100%{transform:scaleY(1)}95%{transform:scaleY(.1)}}
.scn .ch .m-ah,.scn .ch .m-oo,.scn .ch .m-m{display:none}
.scn .ch.m-ah .m-ah,.scn .ch.m-oo .m-oo,.scn .ch.m-m .m-m{display:inline}
.scn .ch.m-ah .m-rest,.scn .ch.m-oo .m-rest,.scn .ch.m-m .m-rest{display:none}
.scn .ch.talk .vch{animation:talkbob .5s ease-in-out infinite}
@keyframes talkbob{50%{transform:translateY(-2px)}}
.scn .spk-mark{animation:bob 1.2s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-5px)}}
.scn .swimmer{transition:opacity .5s}
.scn .swimmer.waving .sw-arm{animation:swwave .5s ease-in-out infinite;transform-box:fill-box;transform-origin:bottom left}
@keyframes swwave{50%{transform:rotate(-24deg)}}
@media (prefers-reduced-motion:reduce){.scn *{animation:none!important;transition:none!important}}

.scn svg.spotting .chars{pointer-events:none;opacity:.4;transition:opacity .3s}
.scn svg .chars{transition:opacity .3s}
.scn-snd.pulse{animation:sndpulse 1.2s ease-in-out infinite;border-color:var(--gold,#C8A84B)}@keyframes sndpulse{50%{box-shadow:0 0 0 6px rgba(232,185,74,.35)}}
.scn .kit-t{font:700 16px 'DM Sans',sans-serif;fill:#0A2540;text-anchor:middle;letter-spacing:.08em}.scn .kit-t.sm{font-size:12px;fill:#fff}.scn .kit-t.sm.dark{fill:#0A2540}.scn .score-t{font:700 17px 'DM Sans',monospace;fill:#F4F0E6}
.scn .splash{animation:splash .5s ease-in-out infinite alternate;transform-box:fill-box}@keyframes splash{to{transform:translateY(-3px)}}
@media (prefers-reduced-motion:reduce){.scn .splash{animation:none}}
body.bn .scn .kit-t{font-family:var(--fb,'Hind Siliguri','Noto Sans Bengali',sans-serif)}
.scn .kit-t.dark{fill:#0A2540}

.scn-novoice{margin:6px 0 0;font-size:.8rem;line-height:1.35;color:var(--muted,#A9B4C2);background:rgba(232,185,74,.08);border:1px solid rgba(232,185,74,.25);border-radius:10px;padding:6px 10px}.scn-novoice[hidden]{display:none}
/* Sha presenter card (real footage) */
.scn .sha-card .sha-rim{stroke:rgba(244,240,230,.85);stroke-width:4;transition:stroke .3s}
.scn .ch.spk .sha-card .sha-rim{stroke:#C8A84B;stroke-width:5}
@keyframes shabreathe{50%{transform:scale(1.012)}}
.scn .sha-card .sha-tag text{font:800 13px var(--f,'DM Sans',system-ui,sans-serif);fill:#F4F0E6;letter-spacing:.14em}
/* videos inside a lesson */
.scn-vid{display:flex;flex-direction:column;gap:6px}
.scn-vid .yt{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.scn-vid .yt iframe,.scn-vid .yt video{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:contain;background:#000}
.scn-vid small{color:var(--tx2,#5D6B74)}
.scn-auto{display:flex;align-items:center;gap:10px;margin-top:10px;font-weight:600}