:root{--aedo-navy:#17365d;--aedo-blue:#2563eb;--aedo-saffron:#ea580c;--aedo-green:#047857;--aedo-bg:#f7f9fc;--aedo-card:#fff;--aedo-text:#162033;--aedo-muted:#667085;--aedo-border:#e4e8ef;--aedo-soft:#eef4ff}
body.aedo-page{background:var(--aedo-bg);color:var(--aedo-text)}
.aedo-shell{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.aedo-breadcrumb{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;padding:18px 0 10px;font-size:.88rem;color:var(--aedo-muted)}
.aedo-breadcrumb a{color:var(--aedo-blue);text-decoration:none}
.aedo-hero{padding:24px 0 18px}
.aedo-hero-card{background:linear-gradient(135deg,#0e213c 0%,#17365d 62%,#244f82 100%);color:#fff;border-radius:24px;padding:34px;box-shadow:0 18px 50px rgba(23,54,93,.18)}
.aedo-kicker{display:inline-flex;align-items:center;gap:.45rem;font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#fed7aa;background:rgba(234,88,12,.18);border:1px solid rgba(251,146,60,.35);padding:.34rem .72rem;border-radius:999px}
.aedo-hero h1{font-size:clamp(1.75rem,4vw,2.7rem);line-height:1.22;margin:.9rem 0 .65rem;color:#fff}
.aedo-hero p{max-width:780px;color:#dbe7f5;font-size:1rem}
.aedo-meta{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.2rem}
.aedo-pill{display:inline-flex;align-items:center;padding:.38rem .7rem;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:.82rem;font-weight:700;color:#fff}
.aedo-main{padding:8px 0 56px}
.aedo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}
.aedo-card{display:block;background:var(--aedo-card);border:1px solid var(--aedo-border);border-radius:18px;padding:22px;text-decoration:none;color:inherit;box-shadow:0 8px 28px rgba(16,24,40,.055)}
.aedo-card:hover{border-color:#b9cdf5;box-shadow:0 12px 34px rgba(37,99,235,.09)}
.aedo-card h2,.aedo-card h3{margin:.2rem 0 .45rem;color:var(--aedo-text);line-height:1.35}
.aedo-card p{color:var(--aedo-muted);margin:0}
.aedo-card .go{display:inline-flex;margin-top:1rem;font-weight:800;color:var(--aedo-blue)}
.aedo-section{margin-top:28px}
.aedo-section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:12px}
.aedo-section-head h2{font-size:1.35rem;margin:0}
.aedo-section-head p{margin:.2rem 0 0;color:var(--aedo-muted);font-size:.9rem}
.aedo-phase{background:#fff;border:1px solid var(--aedo-border);border-radius:20px;padding:18px;margin-top:16px}
.aedo-phase-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.7rem;align-items:center;padding-bottom:13px;border-bottom:1px solid var(--aedo-border)}
.aedo-phase-head strong{font-size:1.05rem}
.aedo-date{font-size:.8rem;font-weight:800;color:var(--aedo-saffron);background:#fff7ed;border:1px solid #fed7aa;padding:.28rem .58rem;border-radius:999px}
.aedo-paper-list{display:grid;gap:10px;margin-top:12px}
.aedo-paper{display:flex;justify-content:space-between;gap:1rem;align-items:center;border:1px solid var(--aedo-border);border-radius:14px;padding:14px 15px;text-decoration:none;color:inherit;background:#fff}
.aedo-paper:hover{border-color:#9bb7ed;background:#fbfdff}
.aedo-paper strong{display:block}
.aedo-paper small{display:block;margin-top:.15rem;color:var(--aedo-muted)}
.aedo-paper .arrow{font-weight:900;color:var(--aedo-blue)}
.aedo-paper.is-upcoming{opacity:.7;background:#fafafa;cursor:default}
.aedo-note{margin-top:18px;background:#fff;border:1px solid var(--aedo-border);border-left:4px solid var(--aedo-saffron);border-radius:12px;padding:15px 16px;color:var(--aedo-muted)}
.aedo-note strong{color:var(--aedo-text)}
.aedo-paper-head{background:#fff;border:1px solid var(--aedo-border);border-radius:20px;padding:24px;margin-top:16px}
.aedo-paper-head h1{margin:.35rem 0 .5rem;font-size:clamp(1.55rem,3vw,2.15rem)}
.aedo-paper-head p{color:var(--aedo-muted);margin:0}
.aedo-paper-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}
.aedo-fact{background:#f8fafc;border:1px solid var(--aedo-border);border-radius:12px;padding:12px}
.aedo-fact small{display:block;color:var(--aedo-muted);font-size:.76rem}
.aedo-fact strong{display:block;margin-top:.15rem}
.aedo-source-status{margin-top:16px;padding:13px 14px;border-radius:12px;background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.aedo-source-status.pending{background:#fff7ed;border-color:#fed7aa;color:#9a3412}
.aedo-question-zone{margin-top:18px;background:#fff;border:1px solid var(--aedo-border);border-radius:20px;padding:22px}
.aedo-question-zone h2{margin-top:0}
.aedo-progress-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}
.aedo-chip{font-size:.8rem;font-weight:800;border-radius:999px;padding:.32rem .62rem;background:var(--aedo-soft);color:#1d4ed8}
.aedo-disabled{color:var(--aedo-muted);font-size:.9rem}
.aedo-practice-empty{background:#fff;border:1px dashed #b8c3d2;border-radius:18px;padding:26px;text-align:center;color:var(--aedo-muted)}
@media(max-width:760px){
 .aedo-shell{width:min(100% - 22px,1120px)}
 .aedo-hero-card{padding:24px 20px;border-radius:18px}
 .aedo-grid{grid-template-columns:1fr}
 .aedo-paper-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
 .aedo-paper{align-items:flex-start}
}
@media(max-width:420px){
 .aedo-paper-facts{grid-template-columns:1fr 1fr}
 .aedo-hero h1{font-size:1.72rem}
}

/* AEDO PYQ question reader */
.aedo-paper-jump{position:sticky;top:72px;z-index:8;display:flex;gap:.48rem;flex-wrap:wrap;margin:16px 0 20px;padding:10px;background:rgba(247,249,252,.94);backdrop-filter:blur(10px);border:1px solid var(--aedo-border);border-radius:14px}
.aedo-paper-jump a{font-size:.78rem;font-weight:800;color:#1d4ed8;background:#fff;border:1px solid #dbe5f5;border-radius:999px;padding:.4rem .68rem;text-decoration:none}
.aedo-paper-jump a:hover{border-color:#93b4ea;background:#f8fbff}
.aedo-q-wrap{width:min(920px,100%);margin:0 auto}
.aedo-q-section{scroll-margin-top:140px;margin:28px 0}
.aedo-q-section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:12px;padding:0 2px}
.aedo-q-section-head h2{margin:0;color:var(--aedo-text);font-size:1.22rem}
.aedo-q-section-head p{margin:.2rem 0 0;color:var(--aedo-muted);font-size:.82rem;font-weight:700}
.aedo-q-section-head a{font-size:.75rem;font-weight:800;color:var(--aedo-blue);text-decoration:none;white-space:nowrap}
.aedo-q-list{display:grid;gap:12px}
.aedo-q-card{background:#fff;border:1px solid var(--aedo-border);border-radius:16px;padding:18px 18px 16px;box-shadow:0 5px 18px rgba(16,24,40,.035);scroll-margin-top:145px}
.aedo-q-top{display:flex;justify-content:space-between;align-items:center;gap:.7rem;margin-bottom:.7rem}
.aedo-q-number{font-size:.78rem;font-weight:900;color:var(--aedo-navy);letter-spacing:.01em}
.aedo-q-pending{font-size:.7rem;font-weight:800;color:#9a3412;background:#fff7ed;border:1px solid #fed7aa;padding:.22rem .5rem;border-radius:999px}
.aedo-q-prompt{font-size:1rem;font-weight:750;line-height:1.65;color:var(--aedo-text)}
.aedo-q-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 10px;margin:.9rem 0 0;padding-left:1.9rem}
.aedo-q-options li{background:#fafbfc;border:1px solid #e6e9ef;border-radius:10px;padding:.62rem .72rem;line-height:1.48;color:#344054}
.aedo-q-options li::marker{font-weight:900;color:#667085}
@media(max-width:760px){
 .aedo-paper-jump{top:58px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;border-radius:12px;margin-inline:-2px}
 .aedo-paper-jump::-webkit-scrollbar{display:none}
 .aedo-paper-jump a{white-space:nowrap}
 .aedo-q-wrap{width:100%}
 .aedo-q-section{scroll-margin-top:125px}
 .aedo-q-card{padding:15px 14px}
 .aedo-q-options{grid-template-columns:1fr;padding-left:1.65rem}
 .aedo-q-prompt{font-size:.96rem}
}

.aedo-q-top>div{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}
.aedo-q-subject{font-size:.68rem;font-weight:800;color:#475467;background:#f2f4f7;border:1px solid #e4e7ec;border-radius:999px;padding:.2rem .46rem}
.aedo-q-figure{width:min(360px,100%);margin:1rem auto .35rem;padding:12px;border:1px solid var(--aedo-border);background:#fbfcfe;border-radius:14px;text-align:center;color:#253858}
.aedo-q-figure svg{display:block;width:100%;max-height:220px}
.aedo-q-figure small{display:block;color:var(--aedo-muted);font-size:.72rem;margin-top:.25rem}

/* Solved AEDO reader — keep option labels inside cards and make explanations book-like */
.aedo-q-wrap{width:min(1040px,100%)}
.aedo-q-options{list-style:none;counter-reset:aedo-option;padding-left:0}
.aedo-q-options li{counter-increment:aedo-option;position:relative;padding:.72rem .8rem .72rem 3.15rem;min-height:48px;display:flex;align-items:center}
.aedo-q-options li::marker{content:""}
.aedo-q-options li::before{content:counter(aedo-option,upper-alpha);position:absolute;left:.72rem;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:1.72rem;height:1.72rem;border-radius:999px;background:#eef2f6;border:1px solid #d8dee8;color:#475467;font-size:.78rem;font-weight:900}
.aedo-q-options li.is-correct{background:#f0fdf4;border-color:#86efac;color:#14532d}
.aedo-q-options li.is-correct::before{background:#15803d;border-color:#15803d;color:#fff}
.aedo-q-status{font-size:.7rem;font-weight:850;padding:.24rem .54rem;border-radius:999px;border:1px solid}
.aedo-q-status.is-solved{color:#166534;background:#f0fdf4;border-color:#bbf7d0}
.aedo-q-status.is-review{color:#92400e;background:#fffbeb;border-color:#fde68a}
.aedo-q-solution{margin-top:.9rem;border-top:1px solid var(--aedo-border);padding-top:.78rem}
.aedo-q-solution>summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:pointer;list-style:none;color:#1d4ed8;font-weight:850;font-size:.86rem}
.aedo-q-solution>summary::-webkit-details-marker{display:none}
.aedo-q-solution>summary span{font-size:.72rem;color:var(--aedo-muted);font-weight:700}
.aedo-q-solution[open]>summary span{font-size:0}
.aedo-q-solution[open]>summary span::after{content:"छिपाएँ";font-size:.72rem}
.aedo-q-solution-body{margin-top:.72rem;padding:1rem 1.05rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}
.aedo-answer-line{display:flex;gap:.8rem;align-items:baseline;flex-wrap:wrap;margin-bottom:.5rem}
.aedo-answer-line small{color:var(--aedo-muted);font-weight:800}
.aedo-answer-line strong{color:#166534}
.aedo-q-status.is-review~* .aedo-answer-line strong{color:#92400e}
.aedo-q-solution-body p{margin:.45rem 0 0;color:#344054;line-height:1.75;font-size:.93rem}
.aedo-answer-key{margin:18px 0 24px;padding:20px;background:#fff;border:1px solid var(--aedo-border);border-radius:18px;box-shadow:0 6px 22px rgba(16,24,40,.04)}
.aedo-answer-key-head h2{margin:.55rem 0 .3rem;font-size:1.25rem;color:var(--aedo-text)}
.aedo-answer-key-head p{margin:0;color:var(--aedo-muted);font-size:.88rem}
.aedo-answer-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px;margin-top:14px}
.aedo-answer-grid a{display:flex;align-items:center;justify-content:center;gap:.28rem;min-height:38px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:9px;text-decoration:none;color:#166534;font-size:.78rem}
.aedo-answer-grid a span{color:#667085}
.aedo-answer-grid a strong{font-size:.88rem}
.aedo-answer-grid a.is-review{background:#fffbeb;border-color:#fde68a;color:#92400e}
@media(max-width:760px){
 .aedo-q-options{grid-template-columns:1fr;padding-left:0}
 .aedo-q-options li{padding-left:3rem}
 .aedo-answer-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
 .aedo-answer-key{padding:16px 14px}
}
@media(max-width:420px){.aedo-answer-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}}

/* AEDO answer-on-choice principle: never reveal correctness before the learner answers */
.aedo-q-card[data-aedo-interactive="1"] .aedo-q-options li{
  cursor:pointer;
  user-select:none;
  transition:border-color .15s ease,background .15s ease,transform .12s ease;
}
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li:hover{
  background:#f8fbff;border-color:#b9cdf5;
}
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li:active{transform:scale(.995)}
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li.is-correct,
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li.is-right,
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li.is-wrong{
  background:#fafbfc!important;border-color:#e6e9ef!important;color:#344054!important;
}
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-options li::before{
  background:#eef2f6!important;border-color:#d8dee8!important;color:#475467!important;
}
.aedo-q-card[data-answered="1"] .aedo-q-options li{cursor:default}
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-selected:not(.is-right):not(.is-wrong){
  border-color:#cbd5e1;background:#f8fafc;
}
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-right,
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-correct{
  background:#f0fdf4;border-color:#86efac;color:#14532d;
}
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-right::before,
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-correct::before{
  background:#15803d;border-color:#15803d;color:#fff;
}
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-wrong{
  background:#fef2f2;border-color:#fca5a5;color:#991b1b;
}
.aedo-q-card[data-answered="1"] .aedo-q-options li.is-wrong::before{
  background:#b91c1c;border-color:#b91c1c;color:#fff;
}
.aedo-q-status.is-ready{color:#475467;background:#f8fafc;border-color:#e2e8f0}
.aedo-q-status.is-wrong{color:#991b1b;background:#fef2f2;border-color:#fecaca}
.aedo-q-solution[hidden]{display:none!important}
.aedo-answer-key{display:none!important}

/* Hard lock: solved content cannot be opened or seen before an option is chosen */
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-solution{
  display:none!important;
}
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-answer-line,
.aedo-q-card[data-aedo-interactive="1"]:not([data-answered="1"]) .aedo-q-solution-body{
  display:none!important;
}