:root{--navy:#123568;--blue:#195cf0;--pale:#edf5ff;--ink:#192e4a;--muted:#60748d;--line:#dfe8f3;--green:#117e63;--red:#b53e4b}*{box-sizing:border-box}body{margin:0;background:#f7faff;color:var(--ink);font-family:Tahoma,'Noto Sans Thai',system-ui,sans-serif;font-size:16px;line-height:1.7}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}:focus-visible{outline:3px solid #efad3d;outline-offset:3px}header{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px 32px;background:white}.brand{display:flex;align-items:center;gap:10px;color:var(--navy);line-height:1.2}.brand b{font-family:system-ui,sans-serif;font-size:26px;letter-spacing:-1px}.brand small{display:block;font-size:12px;margin-top:5px;color:var(--muted)}.brand-icon{font-size:34px;color:var(--blue);line-height:1}header nav{display:flex;gap:25px;font-size:14px}header nav a{color:var(--ink)}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--blue);background:var(--blue);color:white;border-radius:10px;padding:12px 22px;font-weight:bold;line-height:1.5;min-height:48px;text-decoration:none}.button:hover{filter:brightness(.94);text-decoration:none}.button.outline{background:white;color:var(--blue)}.button.subtle{background:var(--pale);border-color:var(--pale);color:var(--navy)}.button.danger{background:var(--red);border-color:var(--red)}.button.small{padding:9px 16px;font-size:14px;min-height:42px}main{max-width:1180px;min-height:65vh;margin:20px auto 60px;padding:0 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p{color:#516b8d}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.hero-art{display:flex;align-items:center;justify-content:center;min-height:270px;position:relative}.art-card{position:relative;transform:rotate(-6deg);background:white;padding:26px;border-radius:18px;box-shadow:12px 20px 50px #3877ba26;width:290px;border:1px solid #d5e5fa}.art-card h3{font-size:15px}.art-line{background:#f4f8ff;padding:8px 12px;margin:9px 0;font-size:13px;border-radius:8px}.art-line.active{background:#e4efff;color:var(--blue);border:1px solid #b0d0ff}.art-check{position:absolute;right:-10px;bottom:-28px;background:var(--blue);color:white;font-size:40px;border:7px solid #b9d5ff;border-radius:22px;width:85px;height:85px;text-align:center;box-shadow:0 12px 24px #225ce733}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:30px 0 18px}.section-head h2{margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);border-radius:16px;background:white;padding:24px}.category{display:flex;align-items:flex-start;gap:16px;color:var(--ink);transition:.15s}.category:hover{transform:translateY(-3px);border-color:#a8c9ff;text-decoration:none;box-shadow:0 8px 22px #163b5e09}.category h3{margin-bottom:5px}.category p{font-size:13px;margin:0;color:var(--muted)}.icon{font-size:28px;min-width:42px;color:var(--blue);border-radius:12px;background:var(--pale);text-align:center}.arrow{margin-left:auto;color:var(--blue)}.banner{margin-top:26px;background:#e5f1ff;border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px}.banner h2{margin-bottom:4px}.banner p{margin:0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat strong{font-family:system-ui;font-size:32px;color:var(--blue);display:block}.stat span{font-size:13px;color:var(--muted)}.page-head{margin:35px 0 24px}.page-head h1{margin-bottom:8px}.split{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-weight:bold;font-size:14px;margin-bottom:8px}input,select,textarea{width:100%;border:1px solid #bfcee1;border-radius:9px;padding:12px;background:white;color:var(--ink)}textarea{min-height:140px}.field{margin-bottom:18px}.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:28px 0 16px}.timer{font-family:system-ui;font-weight:700;background:#eaf1ff;padding:7px 14px;border-radius:9px;color:var(--blue)}.progress{height:7px;background:#e7eef7;border-radius:10px;overflow:hidden}.progress i{display:block;height:100%;background:var(--blue)}.quiz-layout{display:grid;grid-template-columns:1fr 235px;gap:22px;margin-top:20px}.question{padding:32px}.question-stem{white-space:pre-line;font-size:19px;line-height:1.9;font-weight:500;margin:22px 0}.choices{display:grid;gap:12px}.choice{text-align:left;background:white;border:1px solid #d7e1ee;border-radius:11px;padding:15px 18px;display:flex;gap:15px;align-items:flex-start;color:var(--ink);font-weight:normal;min-height:55px}.choice span:first-child{background:#f0f4f9;border-radius:7px;min-width:30px;height:30px;text-align:center;line-height:30px;font-weight:bold}.choice.selected{border:2px solid var(--blue);background:#eff5ff;padding:14px 17px}.choice.correct{border-color:#37a780;background:#edf9f4}.choice.incorrect{border-color:#d77077;background:#fff3f3}.explanation{margin-top:22px;padding:22px;border-radius:12px;background:#f0f7ff;font-size:14px}.explanation p{white-space:pre-line}.source{font-size:12px;word-break:break-word}.question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.qnum{background:#f5f8fc;color:var(--ink);border:1px solid var(--line);padding:7px;border-radius:6px}.qnum.done{background:#dceaff;color:var(--blue)}.qnum.current{border:2px solid var(--blue)}.quiz-actions{display:flex;justify-content:space-between;margin-top:24px;gap:10px}.inline-note{font-size:12px;color:var(--muted)}.score-circle{width:150px;height:150px;border:11px solid #deebff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:12px auto 22px;font-size:36px;color:var(--blue);font-family:system-ui;font-weight:700}.result-main{text-align:center}.list{display:grid;gap:12px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.list-row p{margin:0}.result-item{padding:22px;border-top:1px solid var(--line)}.result-item:first-child{border:0}.empty{text-align:center;padding:45px 24px}.empty .icon{display:inline-block;padding:5px 18px;font-size:38px;margin-bottom:20px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line)}th{background:var(--pale);color:var(--navy)}.scroll{overflow-x:auto}footer{max-width:1180px;padding:22px 24px 90px;margin:auto;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;gap:15px;flex-wrap:wrap}footer strong{color:var(--navy)}.bottom-nav{display:none}#toast{position:fixed;bottom:85px;left:50%;transform:translateX(-50%);z-index:20;background:#123568;color:white;border-radius:12px;padding:12px 20px;box-shadow:0 7px 25px #0002;max-width:90vw;display:none;font-size:14px}dialog{border:0;border-radius:18px;padding:28px;max-width:460px;width:90%;color:var(--ink)}dialog::backdrop{background:#102a4b66}.pill-link{display:inline-block;border:1px solid var(--line);border-radius:30px;padding:6px 15px;font-size:13px;background:white;color:var(--ink);margin:4px}.bar-row{margin:16px 0}.bar-row .list-row{font-size:14px;margin-bottom:5px}.bookmark{font-weight:normal}.auth-note{font-size:13px}.status-ok{color:var(--green)}.status-error{color:var(--red)}.hidden{display:none!important}pre{white-space:pre-wrap;word-break:break-all}.hero-mini{background:#edf5ff;border-radius:15px;padding:20px;margin-bottom:20px}.tag{font-size:11px;color:var(--muted)}@media(max-width:1000px){header{padding:20px 24px}header nav{gap:15px}.hero{padding:32px;gap:16px}.hero h1{font-size:34px}.grid{grid-template-columns:repeat(2,1fr)}.quiz-layout{grid-template-columns:1fr 190px}.card{padding:20px}}@media(max-width:650px){body{font-size:15px}header{padding:17px 18px;gap:8px}header nav{display:none}.brand b{font-size:22px}.brand-icon{font-size:29px}.brand small{font-size:10px}header .button{font-size:12px;padding:8px 12px}main{padding:0 16px;margin-top:15px}.hero{grid-template-columns:1fr;padding:26px 22px;margin-top:12px;border-radius:18px}.hero h1{font-size:30px;margin:14px 0}.hero-art{display:none}.hero p{font-size:14px}.hero .button{padding:11px 15px}.grid{gap:11px}.category{display:block;padding:17px}.category .icon{display:inline-block;margin-bottom:10px}.category h3{font-size:15px}.category .arrow{display:none}.category p{font-size:12px}.section-head h2{font-size:21px}.section-head a{font-size:12px}.banner{display:block;padding:24px}.banner .button{margin-top:17px;width:100%}.banner h2{font-size:22px}.stats{gap:9px}.stat{padding:16px 10px}.stat strong{font-size:26px}.stat span{font-size:11px}.split,.quiz-layout{grid-template-columns:1fr}.quiz-layout aside{order:2}.quiz-layout aside .question-nav{grid-template-columns:repeat(10,1fr)}.question{padding:22px 18px}.question-stem{font-size:17px}.quiz-actions{flex-wrap:wrap}.quiz-actions .button{padding:10px 15px}.page-head h1{font-size:28px}.form-grid{grid-template-columns:1fr}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:#ffffffed;backdrop-filter:blur(12px);border-top:1px solid var(--line);justify-content:space-around;z-index:10;padding:8px 0 max(9px,env(safe-area-inset-bottom))}.bottom-nav a{display:flex;flex-direction:column;align-items:center;font-size:22px;line-height:1.2;color:#60748d;min-width:65px}.bottom-nav span{font-size:10px;margin-top:5px}.bottom-nav a.active{color:var(--blue)}h2{font-size:22px}.list-row{gap:12px}.list-row .button{padding:8px 12px;font-size:12px}.question-nav .qnum{padding:6px 2px}.score-circle{width:125px;height:125px;font-size:30px}footer{padding-bottom:100px}.card{border-radius:13px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

[hidden]{display:none!important}.law-reference{margin-top:22px;padding-top:18px;border-top:1px solid #bdcfef}.law-page{display:block;width:100%;height:auto;border:1px solid #cbd5e1;border-radius:8px;margin:16px 0;background:#fff}.explanation p{line-height:1.85}.law-reference .actions{flex-wrap:wrap}

.mock-intro{background:linear-gradient(125deg,#123568,#195cf0);color:white;padding:36px;border-radius:20px;margin-bottom:24px}.mock-intro h2{color:white;margin:18px 0 10px}.mock-intro p{color:#e0ebff}.mock-steps{display:flex;flex-wrap:wrap;gap:12px}.mock-steps span{background:#ffffff18;border:1px solid #ffffff35;border-radius:30px;padding:7px 16px;font-size:13px}.mock-parts{display:grid;grid-template-columns:1fr 1fr;gap:22px}.mock-letter{background:var(--pale);color:var(--blue);font-size:36px;font-weight:bold;border-radius:16px;width:70px;text-align:center}.mock-part h2{margin:20px 0 5px}.mock-part .button{width:100%;margin-top:24px}.mock-subjects{margin:20px 0}.mock-subjects .list-row{border-bottom:1px solid var(--line);padding:14px 0;align-items:flex-start}.mock-subjects strong{white-space:nowrap;color:var(--navy)}.mock-demo{align-self:start;border-top:4px solid var(--blue)}.mock-demo-count{font-size:50px;font-weight:bold;color:var(--blue);margin:16px 0}.mock-demo-count span{font-size:18px;color:var(--muted)}.mock-demo .button{width:100%}.mock-consent{display:flex;gap:10px;align-items:flex-start;margin:22px 0;font-weight:normal}.mock-consent input{width:20px;height:20px;flex:none;margin-top:3px}.mock-rules{padding-left:24px}.mock-rules li{margin:12px 0}.mock-banner{background:#dfeeff;border:1px solid #bfd8ff;margin-bottom:32px}.qnum.flagged{outline:2px solid #c18a20;outline-offset:1px}.mock-banner .eyebrow{margin-bottom:4px}@media(max-width:650px){.mock-parts{grid-template-columns:1fr}.mock-intro{padding:26px 22px}.mock-subjects .list-row{gap:12px}.mock-steps{gap:6px}.mock-steps span{padding:5px 10px;font-size:11px}}

/* Keep the 200-item navigator usable on tablet and phone. */
.question-nav{max-height:340px;overflow-y:auto;padding:4px;scrollbar-gutter:stable}.qnum{min-height:40px;min-width:32px}#mock-minutes{font-size:18px}.quiz-top{position:sticky;top:0;background:#f7faff;z-index:4;padding:12px 0}.source a{overflow-wrap:anywhere}@media(max-width:650px){.quiz-layout aside .question-nav{grid-template-columns:repeat(auto-fill,minmax(42px,1fr))}.question-nav .qnum{min-height:44px}.mock-subjects .list-row{flex-wrap:wrap}}