/* Student app additions: learning home, goal, saved and revision, Miju modes. Not used by UPSC views. */
.pxSavedNav{display:flex}
body.seg-upsc #nav .pxSavedNav{display:none}
.pxList{margin:10px 0 0;padding-left:1.2em;display:grid;gap:4px;font-size:14px;color:var(--muted,#586380)}
.pxBtn,.pxGhost{min-height:44px;border-radius:12px;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;border:2px solid var(--primary,#4255FF);background:var(--primary,#4255FF);color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.pxGhost,.pxBtn.alt{background:#fff;color:var(--primary,#4255FF)}
.pxBtn[disabled]{opacity:.5;cursor:not-allowed}
.pxBtn.sm,.pxGhost.sm{min-height:44px;padding:8px 12px;font-size:14px}
.pxBar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.pxBar .pxBtn[aria-pressed="true"]{background:#16A34A;border-color:#16A34A}
/* goal card (pick view) */
.pxGoalCard,.pxNba{background:#fff;border-radius:18px;padding:16px 18px;box-shadow:var(--shadow,0 6px 20px rgba(40,46,62,.08));margin:0 0 16px;display:grid;gap:12px}
.pxGoalCard h3,.pxNba h3{font-family:"Outfit",sans-serif;font-size:19px;font-weight:800;margin:0}
.pxGoalCard small,.pxNba small{color:var(--faint,#6b7391);font-weight:700;letter-spacing:.02em;text-transform:uppercase;font-size:12px}
.pxGoalCard p,.pxNba p{margin:0;color:var(--muted,#586380);font-size:14.5px;line-height:1.5}
.pxChips{display:flex;flex-wrap:wrap;gap:8px}
.pxChips button{min-height:44px;border:2px solid var(--line,#E3E6EF);background:#fff;border-radius:999px;padding:8px 16px;font:inherit;font-weight:700;cursor:pointer;color:var(--fg,#282E3E)}
.pxChips button[aria-pressed="true"]{border-color:var(--primary,#4255FF);background:var(--soft,#EDEFFF);color:var(--primary,#4255FF)}
.pxRowBtns{display:flex;gap:8px;flex-wrap:wrap}
.pxGoalCard label,.pxF label{display:grid;gap:4px;font-size:13.5px;font-weight:600;color:var(--muted,#586380)}
.pxIn{min-height:44px;border:2px solid var(--line,#E3E6EF);border-radius:12px;padding:8px 12px;font:inherit;color:var(--fg,#282E3E);background:#fff;width:100%;box-sizing:border-box}
textarea.pxIn{min-height:96px;resize:vertical}
.pxNba{border-left:6px solid var(--primary,#4255FF)}
.pxCont{display:grid;gap:8px}
.pxCont button,.pxLink{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:48px;text-align:left;border:1px solid var(--line,#E3E6EF);background:#fff;border-radius:12px;padding:8px 12px;font:inherit;color:inherit;cursor:pointer}
.pxCont b{display:block;font-size:15px}.pxCont span{font-size:12.5px;color:var(--muted,#586380)}
/* dashboard */
.pxHome{display:grid;gap:14px;margin:0 0 16px}
.pxCols{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:820px){.pxCols{grid-template-columns:1fr 1fr}}
.pxEmpty{color:var(--muted,#586380);font-size:14px;line-height:1.5;margin:0}
.pxMeter{height:10px;border-radius:99px;background:#EDEFFF;overflow:hidden}.pxMeter i{display:block;height:100%;background:linear-gradient(90deg,#0E9F8E,#4255FF)}
.pxNote{font-size:12.5px;color:var(--muted,#586380);margin:0}
/* saved page */
.pxTabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.pxTabs button{min-height:44px;border:2px solid var(--line,#E3E6EF);background:#fff;border-radius:999px;padding:6px 14px;font:inherit;font-weight:700;cursor:pointer;color:var(--fg,#282E3E)}
.pxTabs button[aria-selected="true"]{border-color:var(--primary,#4255FF);background:var(--soft,#EDEFFF);color:var(--primary,#4255FF)}
.pxList2{display:grid;gap:10px}
.pxItem{background:#fff;border:1px solid var(--line,#E3E6EF);border-radius:14px;padding:12px 14px;display:grid;gap:8px}
.pxItem h4{margin:0;font-size:15.5px;line-height:1.35;word-break:break-word}
.pxItem .meta{font-size:12.5px;color:var(--muted,#586380)}
.pxItem .due{font-weight:700;color:#B45309}
.pxItem.res{opacity:.7}
.pxF{display:grid;gap:10px}
.pxSaveSt{font-size:12.5px;color:#16A34A;min-height:1.2em}
.pxOpt{display:flex;gap:8px;align-items:center;width:100%;min-height:44px;text-align:left;border:2px solid var(--line,#E3E6EF);background:#fff;border-radius:12px;padding:8px 12px;font:inherit;cursor:pointer}
.pxOpt.ok{border-color:#16A34A;background:#ECFDF3}.pxOpt.no{border-color:#E0367F;background:#FDE7F1}
.pxStar{position:absolute;right:8px;top:8px;width:44px;height:44px;border:0;background:transparent;font-size:22px;cursor:pointer;color:#C98A00;z-index:2}
.pxRow{position:relative}.pxRow .cuR{padding-right:56px;margin-bottom:8px}.pxRow .cuGo{display:none}
/* Miju modes */
.pxMode{display:flex;gap:6px;flex-wrap:wrap;padding:8px 16px 0}
.pxMode button{min-height:44px;border:2px solid #B8E3DE;background:#fff;border-radius:999px;padding:4px 14px;font:inherit;font-size:13.5px;font-weight:700;cursor:pointer;color:#0B6E6A}
.pxMode button[aria-pressed="true"]{background:#0E9F8E;border-color:#0E9F8E;color:#fff}
.pxCtx{padding:6px 16px 0;font-size:12.5px;color:var(--muted,#586380)}
.pxAct{display:flex;gap:8px;flex-wrap:wrap;margin:-4px 0 10px}
.pxAct button,.pxAct a{min-height:44px;border:1px solid var(--line,#E3E6EF);background:#fff;border-radius:999px;padding:4px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted,#586380);text-decoration:none;display:inline-flex;align-items:center}
@media(prefers-reduced-motion:reduce){.pxMeter i{transition:none}}

/* Smooth scrolling in Chrome: no endless decorative animations (they forced a style recalculation every frame) */
.sc,.sc::after,.pcard::after{animation:none!important}
.sc::after,.pcard::after{display:none}
.wel .ch{animation:chIn .65s cubic-bezier(.2,1.3,.3,1) both!important}
.wel .spk{animation-iteration-count:2!important}
.nav .item.lbk::after{animation-iteration-count:2!important}
.band.go div{animation:bandIn .7s cubic-bezier(.2,.9,.3,1.3) forwards!important}
.band.go div::after{animation-iteration-count:1!important}
.track.pxOff{animation-play-state:paused!important}

/* Section is chosen at log in and changed from Profile only */
#sbSwitch{display:none!important}
#v-pick .pickgrid,#v-pick .pickq,#v-pick .wel{display:none}
.pxVizNav{display:flex}body.seg-upsc #nav .pxVizNav{display:none}
.suSec{padding:0 4px 10px}
.suSec label{display:grid;gap:4px;font-weight:700;font-size:14px}
.suSec select{min-height:46px;border:2px solid #DCE3F0;border-radius:12px;padding:8px 12px;font:inherit;background:#fff;color:#282E3E}
.suSec .fine{margin-top:6px;font-size:12.5px;color:#586380}
.pxWarn{background:#FFF6E0;border:1px solid #F5D78A;color:#7A4B00;border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.45;margin:0 0 10px}
.pxModal{position:fixed;inset:0;z-index:500;background:rgba(16,24,48,.55);display:grid;place-items:center;padding:16px}
.pxCard{position:relative;background:#fff;border-radius:20px;padding:22px 20px;width:min(440px,100%);max-height:calc(100vh - 32px);overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.pxCard h2{margin:0 0 12px;font-family:"Outfit",sans-serif;font-size:22px}
.pxX{position:absolute;right:8px;top:8px;width:44px;height:44px;border:0;background:transparent;font-size:28px;cursor:pointer;color:#586380}
.pxK{display:block;font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:#6b7391}.pxV{font-size:16px;font-weight:600}
#nav #navSeg{display:flex!important}

.exSel{margin:4px 10px 10px;padding:10px 12px;border-radius:14px;background:#fff0e4;border:1.5px solid #F06A1D}.exSel[hidden]{display:none}
.exSel label{display:block;font-size:12px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:#b4470a;margin:0 0 6px}
.exSel select{width:100%;min-height:44px;border:1.5px solid #F06A1D;border-radius:10px;background:#fff;font:inherit;font-weight:800;font-size:15px;padding:0 10px;color:#1d1d2b}
/* calm mode keeps every animated-in element visible */
.wel .ch{opacity:1!important;transform:none!important}.wel .spk{opacity:.7!important}
.band.anim div,.pcard,.ctile,.ldHero,.ldPill,.ldHero h1,.ldHero>.ldW>p,.ldCta,.ldHc,.ldWv{opacity:1!important;transform:none!important}
/* loading spinners keep turning so people know something is happening */
.stMsg.busy::before,.xb[disabled]::before{animation:spin .8s linear infinite!important}
.cuLoad .pvSpin{flex:none;width:26px;height:26px;border-radius:50%;border:3px solid #d9dcef;border-top-color:#4255FF;animation:pvs 1s linear infinite!important}

/* School Biology: BioEdge videos, Miju workbook, credit line */
.bioCr{margin:6px 0 10px;padding:10px 12px;border-radius:12px;background:#E3F7F4;color:#0B5F55;font-size:13.5px;line-height:1.45}
.bioCr a{color:#0B5F55;font-weight:700}
.bioCr span{display:block;margin-top:2px;font-size:12.5px;opacity:.9}
.scXp li.bioCh{flex-wrap:wrap;align-items:center}
.bioCh .bioV,.bioCh .bioW,.bioCh .bioL{flex:1 0 100%;margin-left:36px;max-width:calc(100% - 36px)}
.bioV{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}
.bioV .bioT{all:unset;box-sizing:border-box;position:relative;flex:0 0 120px;width:120px;height:68px;border-radius:10px;overflow:hidden;background:#0f1535;cursor:pointer}
.bioV .bioT:focus-visible{outline:3px solid #4255FF;outline-offset:2px}
.bioV .bioT img{display:block;width:100%;height:100%;object-fit:cover}
.bioV .bioT i{position:absolute;inset:0;margin:auto;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.92);color:#C2410C;font-style:normal;font-size:14px;display:grid;place-items:center;padding-left:2px}
.bioV .bioM{flex:1 1 150px;min-width:0;display:grid;gap:2px;font-size:12.5px;color:#5b6275}
.bioV .bioM b{font-size:13px;color:#1b2160;line-height:1.3;font-weight:700}
.bioV .bioM em{font-style:normal}
.bioV .bioM a{color:#4255FF;font-weight:700}
.bioV.full .bioM small{color:#C2410C}
.bioV.play{display:block}
.bioV.play .bioT{display:none}
.bioV .bioF{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.bioV .bioF iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.bioV.play .bioM{margin-top:8px}
.bioL{margin:8px 0 0;font-size:13px;line-height:1.45;color:#3b4254}
.bioL span{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.scXp li .bioL button{min-height:38px;padding:7px 12px;border-radius:10px;border:1.5px solid #0E9F8E;background:#fff;color:#0B7F72;font-weight:700;font-size:13px;cursor:pointer}
.scXp li .bioL button:hover{background:#0E9F8E;color:#fff}
.scXp li .bioL button:focus-visible{outline:3px solid #7C3AED;outline-offset:2px}
.bioW{margin-top:8px;padding:10px;border-radius:12px;background:#F4F6FF;border:1px solid #e3e6f3}
.bioW>b{display:block;margin-bottom:8px;font-size:13px;color:#1b2160}
.bioW>div{display:flex;flex-wrap:wrap;gap:8px}
.scXp li .bioW button{min-height:40px;padding:8px 12px;border-radius:10px;border:1.5px solid #4255FF;background:#fff;color:#4255FF;font-weight:700;font-size:13px;cursor:pointer;text-align:left}
.scXp li .bioW button:hover{background:#4255FF;color:#fff}
.scXp li .bioW button:focus-visible{outline:3px solid #7C3AED;outline-offset:2px}
@media (max-width:420px){.bioCh .bioV,.bioCh .bioW,.bioCh .bioL{margin-left:0;max-width:100%}.bioV .bioT{flex-basis:104px;width:104px;height:58px}}

/* Keep the School chapter card inside the screen on phones */
#segBody{min-width:0;max-width:100%}

/* Play Lab entry card (every section) */
.pxPlay{display:flex;align-items:center;gap:14px;margin:16px 0;padding:14px 18px;border-radius:20px;text-decoration:none;color:#fff;background:linear-gradient(135deg,#16A34A,#0E9F8E 55%,#2563EB);box-shadow:0 12px 26px rgba(14,159,142,.28);transition:transform .15s,box-shadow .15s}
.pxPlay:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,159,142,.36)}
.pxPlay:focus-visible{outline:3px solid #7C3AED;outline-offset:2px}
.pxPlay b{display:block;font-size:18px}
.pxPlay small{display:block;font-size:13.5px;opacity:.92;line-height:1.4}
.pxPlayIc{font-size:30px;line-height:1;background:rgba(255,255,255,.2);border-radius:14px;width:52px;height:52px;display:grid;place-items:center;flex:none}
.pxPlayGo{margin-left:auto;background:#fff;color:#0b6a5d;font-weight:800;font-size:14px;padding:8px 16px;border-radius:99px;white-space:nowrap}
@media (max-width:520px){.pxPlayGo{display:none}}