:root{--navy:#13255e;--blue:#315ee7;--blue2:#7394f7;--pink:#e84f9a;--pink2:#f48aba;--ink:#18213b;--muted:#6f7890;--bg:#f6f7fb;--paper:#fff;--line:#e0e5f0;--blueSoft:#eef3ff;--pinkSoft:#fff0f7;--ok:#157347;--bad:#b83d58;--warn:#8b6414}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow:hidden;height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow:hidden;height:100%}button,input,select{font:inherit}button{cursor:pointer}.app{display:grid;grid-template-columns:290px minmax(0,1fr);height:100vh;min-height:0;overflow:hidden}
.sidebar{position:relative;height:100vh;overflow-y:auto;overflow-x:hidden;background:linear-gradient(180deg,#14275f 0%,#27438e 58%,#7b3e87 100%);color:#fff;padding:20px 13px;scrollbar-width:thin}.brand{padding:5px 10px 18px;border-bottom:1px solid rgba(255,255,255,.16);margin-bottom:13px}.brand h1{font-size:21px;margin:0}.brand p{font-size:12px;line-height:1.45;color:#dce4ff;margin:6px 0 0}.dot{display:inline-block;width:9px;height:9px;background:var(--pink2);border-radius:50%;margin-right:7px}
.navSection{padding:15px 6px 10px;border-bottom:1px solid rgba(255,255,255,.13)}.navHeading{font-size:13.5px;line-height:1.34;letter-spacing:.025em;text-transform:uppercase;color:#fff;font-weight:900;padding:9px 10px;border-left:4px solid #f48aba;background:rgba(255,255,255,.09);border-radius:8px;margin-bottom:6px}.navBtn{display:block;width:100%;border:0;text-align:left;color:#f8f9ff;background:transparent;border-radius:10px;padding:10px;margin:3px 0;line-height:1.25;font-size:13.5px}.navBtn:hover{background:rgba(255,255,255,.09)}.navBtn.active{background:linear-gradient(90deg,rgba(85,131,255,.38),rgba(244,117,177,.29));box-shadow:inset 3px 0 0 #ff8bc2}.navBtn small{display:block;color:#cfd8ff;font-size:10px;margin-top:3px}.theorySubnav{display:none;margin:2px 0 8px 8px;padding-left:9px;border-left:1px solid rgba(255,255,255,.22)}.theorySubnav.open{display:block}.subNavBtn{display:block;width:100%;border:0;background:transparent;color:#dce4ff;text-align:left;padding:6px 7px;border-radius:7px;font-size:11.2px;line-height:1.28}.subNavBtn:hover,.subNavBtn.active{background:rgba(255,255,255,.09);color:#fff}.subNavBtn.active{box-shadow:inset 2px 0 0 var(--pink2)}
.main{min-width:0;height:100vh;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;scroll-behavior:smooth}.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px}.top h2{font-size:19px;margin:0;line-height:1.25}.top p{margin:3px 0 0;color:var(--muted);font-size:12px}.mobileMenu{display:none}.content{padding:22px 26px 46px;max-width:1500px;margin:0 auto;min-width:0}
.theoryToolbar{position:sticky;top:69px;z-index:25;display:flex;justify-content:flex-end;align-items:center;gap:7px;margin:0 auto 10px;max-width:980px;padding:7px 8px;background:rgba(246,247,251,.93);backdrop-filter:blur(8px);border-radius:10px}.zoomLabel{font-size:12px;color:var(--muted);font-weight:800}.zoomBtn{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);font-size:20px;font-weight:900;display:inline-flex;align-items:center;justify-content:center}.zoomValue{min-width:48px;text-align:center;font-size:12px;font-weight:900;color:var(--navy)}.theoryViewport{overflow:auto;max-width:100%;padding:2px 2px 18px;overscroll-behavior-x:contain}.bookPages{margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px 27px 31px;box-shadow:0 12px 34px rgba(31,49,98,.08);position:relative}.bookPages:before{content:"";position:absolute;left:0;top:0;right:0;height:5px;background:linear-gradient(90deg,var(--blue),var(--pink))}.bookPages:after{content:"";position:absolute;left:0;top:5px;bottom:0;width:4px;background:linear-gradient(180deg,rgba(49,94,231,.48),rgba(232,79,154,.42))}.bookPageWrap{position:relative;width:100%;margin:0 auto 9px}.bookPage{display:block;width:100%;height:auto;background:transparent;border:0;mix-blend-mode:multiply}.theoryAnchor{position:absolute;left:0;width:1px;height:1px;scroll-margin-top:120px;pointer-events:none}.bookIntro{max-width:980px;margin:0 0 18px;padding:0 0 15px;border-bottom:2px solid transparent;border-image:linear-gradient(90deg,var(--blue),var(--pink)) 1}.bookIntroText{white-space:pre-line;line-height:1.62;font-family:Georgia,"Times New Roman",serif;font-size:15px}.bookIntroText::first-line{font-weight:700}
.situationNavWrap{margin:0 0 14px}.situationNavHeader{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:8px}.situationNavTitle{font-size:12px;font-weight:900;color:var(--navy)}.counter{font-size:12px;color:var(--muted)}.situationNav{display:flex;gap:6px;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:thin}.sitChip{flex:0 0 38px;height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:11px;font-weight:850}.sitChip.done{background:#eef9f1;border-color:#c8e6d0;color:#176b3d}.sitChip.current{outline:2px solid var(--pink);outline-offset:1px}.sitChip.locked{background:#f3f4f8;color:#9ba2b4;border-color:#e6e8ee}.practiceArea{position:relative}.practiceGrid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(350px,.92fr);gap:18px;align-items:start}.practiceArea.blurred .practiceGrid{filter:blur(5px);pointer-events:none;user-select:none}.lockOverlay{position:absolute;inset:0;z-index:30;display:flex;align-items:flex-start;justify-content:center;padding-top:70px;background:rgba(246,247,251,.28);backdrop-filter:blur(1px)}.lockCard{max-width:420px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;box-shadow:0 14px 44px rgba(20,36,87,.18);text-align:center}.lockCard h3{margin:0 0 8px;color:var(--navy)}.lockCard p{margin:0 0 13px;color:var(--muted);line-height:1.45}
.stimulus{position:sticky;top:78px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;max-height:calc(100vh - 100px);overflow:auto;min-width:0}.stimulus.visualStimulus{padding:12px}.sitLabel{font-family:Georgia,"Times New Roman",serif;color:var(--navy);font-size:21px;font-weight:700;margin:0 0 12px}.realTitle{font-family:Georgia,"Times New Roman",serif;font-size:18px;font-weight:700;margin:0 0 10px}.stimulusText{font-family:Georgia,"Times New Roman",serif;font-size:15.5px;line-height:1.72;text-wrap:pretty;overflow-wrap:break-word;hyphens:auto}.stimulusText p{margin:0}.visualBox{min-width:0}.visualZoomBar{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-bottom:8px;position:sticky;top:0;z-index:5;background:rgba(255,255,255,.94);padding:4px;border-radius:8px}.visualZoomBar .zoomBtn{width:34px;height:34px;font-size:18px}.visualViewport{overflow:auto;max-width:100%;overscroll-behavior-x:contain;border-radius:9px}.visualCanvas{display:grid;gap:8px;min-width:100%}.sourceVisual{display:block;width:100%;height:auto;background:#fff;border:0;max-width:none}
.questionCard{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;min-width:0}.progress{height:7px;background:#edf0f6;border-radius:99px;overflow:hidden;margin:0 0 18px}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--pink));width:0}.question{font-family:Georgia,"Times New Roman",serif;font-size:17px;line-height:1.5;font-weight:700;margin:0 0 14px}.choice{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:11px;padding:11px 12px;margin:8px 0;background:#fff}.choice:hover{border-color:#afbbe2}.choice input{margin-top:3px;accent-color:var(--blue)}.choiceLetter{font-weight:800;color:var(--blue);min-width:20px}.choiceText{font-family:Georgia,"Times New Roman",serif;font-size:15px;line-height:1.45}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.btn{border-radius:10px;padding:10px 14px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:750}.btn.primary{border-color:transparent;color:#fff;background:linear-gradient(90deg,var(--blue),#5673ea)}.btn.pink{border-color:transparent;color:#fff;background:linear-gradient(90deg,var(--pink),#d9418d)}.btn:disabled{opacity:.45;cursor:not-allowed}.feedback{margin-top:16px;border-left:4px solid var(--pink);padding:13px 15px;background:var(--pinkSoft);border-radius:8px;font-family:Georgia,"Times New Roman",serif;line-height:1.55}.feedback.ok{border-left-color:var(--ok);background:#f2faf5}.feedback.bad{border-left-color:var(--bad);background:#fff5f7}.feedback p{margin:7px 0}.feedback strong{font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.timerStart{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;max-width:820px}.timerRow{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.timer{font-size:31px;font-weight:900;color:var(--navy);font-variant-numeric:tabular-nums}.timer.danger{color:var(--bad)}.answered{font-size:12px;color:var(--muted);text-align:right}.simNumbers{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}.numBtn{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:12px;font-weight:800}.numBtn.answered{background:var(--blueSoft);color:var(--blue);border-color:#b8c9fa}.numBtn.current{outline:2px solid var(--pink);outline-offset:1px}
.result{max-width:1100px}.resultHero{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:15px}.resultHero h2{margin:0;color:var(--navy);font-size:27px}.resultHero .timeout{margin:8px 0 0;color:var(--bad);font-weight:800}.resultStats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}.statCard{border:1px solid var(--line);border-radius:12px;padding:13px;background:#fff}.statCard strong{display:block;font-size:22px;color:var(--navy)}.statCard span{font-size:12px;color:var(--muted)}.reviewCard{border:1px solid var(--line);border-radius:12px;margin:9px 0;overflow:hidden}.reviewCard.correct{background:#f4fbf6;border-color:#cfe8d6}.reviewCard.wrong{background:#fff5f6;border-color:#f0ccd3}.reviewCard.unanswered{background:#fffaf0;border-color:#eedeb4}.reviewCard details{padding:12px 14px}.reviewCard summary{cursor:pointer;font-weight:850;line-height:1.4}.reviewCard p{font-family:Georgia,"Times New Roman",serif;font-size:14px;line-height:1.55;margin:8px 0}.answerPair{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.answerTag{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:12px;font-weight:850;border-radius:999px;padding:6px 9px;background:#fff;border:1px solid var(--line)}
@media(max-width:1250px) and (min-width:1101px){.practiceGrid{grid-template-columns:1fr}.stimulus{position:static;max-height:none}.content{padding-left:18px;padding-right:18px}}
@media(max-width:1100px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;bottom:0;width:min(90vw,340px);height:100%;z-index:90;transform:translateX(-103%);transition:transform .2s ease;box-shadow:10px 0 34px rgba(15,28,71,.22);padding:16px 11px}.sidebar.open{transform:none}.mobileMenu{display:inline-flex;min-width:44px;min-height:44px;align-items:center;justify-content:center}.top{padding:10px 11px;align-items:flex-start}.top h2{font-size:15.5px;line-height:1.25;overflow-wrap:anywhere}.top p{font-size:11px}.content{padding:13px 10px 30px;max-width:100%;overflow:visible}.navHeading{font-size:13.5px}.navBtn{font-size:14px;padding:11px 10px;min-height:44px}.subNavBtn{font-size:12.5px;padding:8px 8px;min-height:38px}.practiceGrid{grid-template-columns:1fr;gap:12px}.stimulus{position:static;max-height:none;padding:14px;border-radius:13px;overflow:visible}.stimulus.visualStimulus{padding:10px}.sitLabel{font-size:20px}.realTitle{font-size:18px;line-height:1.35}.stimulusText{font-size:16px;line-height:1.68}.questionCard{padding:15px;border-radius:13px}.question{font-size:17px;line-height:1.5}.choice{padding:12px 11px;min-height:48px}.choiceText{font-size:16px;line-height:1.48}.choice input{width:18px;height:18px;margin-top:2px}.btn{min-height:44px;padding:10px 14px}.actions .btn{flex:1 1 auto}.bookIntro{margin-bottom:13px}.bookIntroText{font-size:15px;line-height:1.55}.theoryToolbar{top:62px;padding-right:3px}.bookPages{padding:16px 9px 19px;border-radius:13px}.timerRow{position:sticky;top:62px;z-index:20;background:rgba(246,247,251,.96);padding:8px 0;margin-bottom:10px}.timer{font-size:26px}.simNumbers{flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;padding:4px 2px 8px}.numBtn{flex:0 0 38px;width:38px;height:38px}.feedback{font-size:15px}.resultHero{padding:15px}.resultStats{grid-template-columns:1fr 1fr 1fr}.reviewCard p{font-size:15px}.visualViewport,.theoryViewport{max-width:100%;overflow-x:auto}}
@media(max-width:600px){.brand h1{font-size:19px}.top h2{font-size:14px}.content{padding-left:8px;padding-right:8px}.stimulus,.questionCard{padding:13px}.choice{gap:8px}.choiceLetter{min-width:18px}.timerRow{top:60px}.resultStats{grid-template-columns:1fr}.situationNav{gap:5px}.sitChip{flex-basis:36px;width:36px}.theoryToolbar{justify-content:center}.bookPages{padding-left:6px;padding-right:6px}.lockOverlay{padding:55px 10px 0}.lockCard{width:100%}}

/* V6 */
.sourceVisual{display:block;width:100%;height:auto;max-width:none;margin:0 auto;background:#fff;image-rendering:auto}.visualViewport{overflow:auto;max-width:100%;overscroll-behavior:contain;border-radius:9px}.visualCanvas{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:100%;margin-left:auto;margin-right:auto}.bookPage{image-rendering:auto;mix-blend-mode:normal}.practiceNavBar{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,1fr) auto;align-items:end;gap:10px;margin:0 0 14px;padding:12px;border:1px solid var(--line);border-radius:13px;background:#fff}.practiceNavField label{display:block;margin:0 0 5px;font-size:11px;font-weight:900;color:var(--navy);text-transform:uppercase;letter-spacing:.04em}.practiceSelect{width:100%;min-height:42px;border:1px solid #cfd6e6;border-radius:10px;background:#fff;color:var(--ink);padding:8px 36px 8px 11px;font-weight:750;font-size:14px}.practiceNavCounter{color:var(--muted);font-size:12px;font-weight:800;padding:0 2px 12px;white-space:nowrap}@media(max-width:760px){.practiceNavBar{grid-template-columns:1fr;gap:9px;padding:10px}.practiceNavCounter{padding:0 2px 2px;white-space:normal}.practiceSelect{min-height:46px;font-size:16px}.visualZoomBar{flex-wrap:wrap}}

/* V6.1 — navigare simulări pe Situație + Item */
.simJumpNav{
  display:grid;
  grid-template-columns:minmax(150px,1fr) minmax(150px,1fr);
  gap:9px;
  margin:0 0 14px;
  padding:11px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#f8faff;
}
.simJumpField label{
  display:block;
  margin:0 0 5px;
  font-size:11px;
  font-weight:900;
  color:var(--navy);
  text-transform:uppercase;
  letter-spacing:.04em;
}
.simJumpSelect{
  width:100%;
  min-height:42px;
  border:1px solid #cfd6e6;
  border-radius:9px;
  background:#fff;
  color:var(--ink);
  padding:8px 34px 8px 10px;
  font-size:14px;
  font-weight:750;
}
.simJumpCurrent{
  grid-column:1/-1;
  font-size:12px;
  font-weight:800;
  color:var(--muted);
}
@media(max-width:760px){
  .simJumpNav{grid-template-columns:1fr}
  .simJumpCurrent{grid-column:auto}
  .simJumpSelect{min-height:46px;font-size:16px}
}


/* V6.4 — indicator vizual pentru meniurile Teorie */
.navBtn[data-section^="theory"]{
  position:relative;
  padding-right:34px;
}
.navBtn[data-section^="theory"]::after{
  content:"▸";
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%) rotate(0deg);
  transform-origin:center;
  font-size:15px;
  line-height:1;
  color:currentColor;
  opacity:.78;
  transition:transform .18s ease, opacity .18s ease;
}
.navBtn[data-section^="theory"][aria-expanded="true"]::after{
  transform:translateY(-50%) rotate(90deg);
  opacity:1;
}
@media(max-width:760px){
  .navBtn[data-section^="theory"]::after{
    right:13px;
    font-size:16px;
  }
}


/* V6.5 — lățime stabilă pentru coloana din stânga */
@media(min-width:1101px){
  .app{
    grid-template-columns:290px minmax(0,1fr);
  }
  .sidebar{
    width:290px;
    min-width:290px;
    max-width:290px;
    flex:0 0 290px;
    scrollbar-gutter:stable;
  }
  .navSection,
  .navHeading,
  .navBtn,
  .theorySubnav,
  .subNavBtn{
    min-width:0;
    max-width:100%;
  }
  .navBtn,
  .navHeading,
  .subNavBtn{
    overflow-wrap:break-word;
    word-break:normal;
  }
}