:root{color-scheme:dark;--bg:#060f20;--panel:#0d1b36;--panel2:#0f2344;--border:rgba(135,174,239,.17);--muted:#9cb0d3;--text:#f3f6ff;--blue:#69a8ff;--gold:#efc47a;--gold2:#bc8c4f;--red:#ff8294;--green:#74dfba;--grad:linear-gradient(115deg,#e8b76b,#f7d6a1);font-family:'Cairo',Tahoma,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-size:14px;overflow-x:hidden}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:inherit;text-decoration:none}::selection{background:#3264a7;color:white}input,select{accent-color:#75aaff}
.ambient-glow{position:fixed;pointer-events:none;z-index:-1;filter:blur(80px);border-radius:100%}.ambient-left{top:100px;left:-320px;width:580px;height:620px;background:#203d733a}.ambient-right{top:540px;right:-290px;width:570px;height:570px;background:#865d3220}.wrap{width:min(1160px,calc(100% - 44px));margin:auto}.shell{min-height:100vh;position:relative;isolation:isolate}.navbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid rgba(127,156,200,.1)}.logo-nav{display:flex;align-items:center;gap:12px;min-width:0}.logo-nav img{width:161px;height:72px;object-fit:contain;object-position:center}.brand-tag{display:flex;flex-direction:column;border-right:1px solid var(--border);padding-right:14px;gap:2px}.brand-tag b{font-size:14px;color:#e4efff}.brand-tag small{font-size:10px;color:var(--muted);white-space:nowrap}.nav-actions{display:flex;align-items:center;gap:11px}.nav-link{background:transparent;border:0;color:var(--muted);font-weight:700;padding:10px}.nav-link:hover{color:white}.btn{border:1px solid transparent;border-radius:12px;padding:12px 23px;display:inline-flex;justify-content:center;align-items:center;gap:9px;font-weight:800;transition:transform .16s,background .16s,box-shadow .16s;line-height:1.5;white-space:normal}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn-gold{background:var(--grad);color:#162038;box-shadow:0 9px 28px #d9a15324}.btn-outline{background:#142a4d88;border-color:#4063925a;color:#d7e6ff}.btn-blue{background:#2d66b5;color:white;border-color:#588cce}.btn-text{border:0;background:transparent;color:#c8dbf5}.btn-small{padding:8px 14px;border-radius:9px;font-size:12px}.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid #eac37a55;background:#deae5c12;border-radius:999px;padding:8px 14px;color:#f3d9a4;font-weight:800;font-size:12px}.pill i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px #e8b877}.pill.blue{color:#b3d2ff;background:#5f9cec12;border-color:#619cef52}.pill.blue i{background:var(--blue)}.hero{min-height:655px;display:grid;grid-template-columns:1fr 1.02fr;gap:20px;align-items:center;padding:60px 0 78px;position:relative}.hero-copy{position:relative;z-index:1}.eyebrow{letter-spacing:2.5px;font-size:11px;color:#94b7eb;font-family:Arial,sans-serif;font-weight:800;margin:23px 0 10px}.hero h1{font-size:clamp(36px,4.25vw,66px);line-height:1.42;margin:18px 0 16px;font-weight:900;letter-spacing:-1.2px}.hero h1 span,.gold-text{color:var(--gold)}.hero-lede{color:#b2c5e4;line-height:2.2;font-size:16px;max-width:530px;margin:0 0 28px}.hero-buttons{display:flex;gap:13px;flex-wrap:wrap}.hero-facts{display:flex;align-items:center;gap:22px;margin-top:41px;flex-wrap:wrap}.fact{display:flex;gap:9px;align-items:center;color:#b8cae4;font-size:12px}.fact .mini-icon{width:34px;height:34px;border-radius:10px;background:#26476c61;color:var(--gold);display:grid;place-items:center;font-size:19px}.hero-art{height:530px;position:relative;display:grid;place-items:center;isolation:isolate;overflow:visible}.hero-art:before{content:'';position:absolute;width:475px;height:475px;max-width:96%;border-radius:50%;background:radial-gradient(circle,#255baa60,#0c214166 40%,transparent 72%);filter:blur(3px);z-index:-1}.grid-lines{position:absolute;inset:12px;border-radius:50%;opacity:.22;background:repeating-linear-gradient(90deg,transparent 0 38px,#6da5e718 39px 40px),repeating-linear-gradient(0deg,transparent 0 38px,#6da5e718 39px 40px);mask-image:radial-gradient(circle,#000 32%,transparent 74%)}.atom-orbit{position:absolute;width:460px;height:192px;border:2px solid #7bb2fa87;border-radius:50%;box-shadow:inset 0 0 18px #4275bd2b,0 0 14px #4277bf1e}.o1{transform:rotate(31deg)}.o2{transform:rotate(-36deg)}.o3{transform:rotate(90deg);border-color:#ddb36d74}.atom-core{height:154px;width:154px;border-radius:100%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#2b6dbc,#0b2347 64%,#0b162c);box-shadow:0 0 40px #3c86e98b,0 0 120px #3c86e937;border:1px solid #78aeef73;position:relative;z-index:2}.atom-core strong{font-size:59px;color:#f5cf87;font-weight:900;font-family:Georgia,serif;text-shadow:0 0 22px #f7cb7770}.electron{position:absolute;width:14px;height:14px;border-radius:50%;background:#f5c982;box-shadow:0 0 17px #ffe0a0;z-index:3}.e1{top:20%;right:17%}.e2{bottom:19%;left:20%;background:#86bcff;box-shadow:0 0 19px #73b6ff}.e3{top:52%;left:8%}.floating-note{position:absolute;background:#0c2040dc;backdrop-filter:blur(14px);border:1px solid #5c8bcc58;border-radius:14px;box-shadow:0 18px 60px #0008;padding:12px 16px;z-index:4}.floating-note b{display:block;font-size:14px;color:#eef6ff}.floating-note small{color:var(--muted);font-size:10px}.floating-note .ic{font-size:20px;float:right;margin-left:8px}.n1{top:47px;right:6px;transform:rotate(3deg)}.n2{bottom:63px;left:4px;transform:rotate(-3deg)}.n3{top:52%;left:-8px;padding:12px;color:var(--gold);font-size:22px}.section-header{text-align:center;margin:27px auto 32px;max-width:700px}.section-header h2{font-size:clamp(25px,3vw,36px);margin:9px 0}.section-header p{line-height:2.1;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:93px}.step-card,.feature-card,.panel,.exam-card,.metric-card{border:1px solid var(--border);background:linear-gradient(145deg,#112443d9,#0b1932ed);border-radius:20px;position:relative}.step-card{padding:25px;overflow:hidden;min-height:224px}.step-num{font-size:54px;font-family:Arial,sans-serif;font-weight:900;color:#2e568f70;position:absolute;left:19px;top:2px}.step-icon{width:52px;height:52px;border-radius:15px;background:#274d7d6e;display:grid;place-items:center;font-size:27px;margin-bottom:17px}.step-card h3{margin:5px 0 9px;font-size:17px}.step-card p{color:#a9bfde;line-height:1.9;margin:0;font-size:12px}.feature-strip{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:18px;margin-bottom:86px}.feature-card{padding:25px;min-height:194px}.feature-card.featured{border-color:#c7a76b6c;background:linear-gradient(115deg,#4a392456,#112341)}.feature-icon{font-size:31px;margin-bottom:13px;display:block}.feature-card b{font-size:17px}.feature-card p{font-size:12px;line-height:1.9;color:#acbfdc}.quote{padding:31px;border:1px solid #4159814d;border-radius:20px;background:linear-gradient(95deg,#16315b,#101f39);display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0 90px}.quote h3{font-size:20px;margin:0 0 6px}.quote p{color:#b3c8e4;margin:0;font-size:13px}.footer{border-top:1px solid var(--border);padding:24px 0 33px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:11px;color:#96aaca}.footer span{color:#d6b67f}
.page{padding:42px 0 84px;min-height:67vh}.page-title{margin:9px 0;font-size:clamp(26px,3.5vw,38px)}.page-lede{color:var(--muted);font-size:13px;line-height:2}.form-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center;max-width:980px;margin:34px auto}.form-aside{padding:28px}.form-aside h2{font-size:31px;line-height:1.5}.form-aside p{font-size:13px;color:var(--muted);line-height:2}.form-aside .aside-list{margin:22px 0;padding:0;list-style:none}.form-aside .aside-list li{padding:10px 0;color:#d2def4;border-bottom:1px solid var(--border)}.form-panel{padding:35px;border:1px solid #55739e63;background:linear-gradient(145deg,#112543f0,#0a1730);box-shadow:0 26px 80px #0004;border-radius:25px}.form-panel h2{margin:0 0 9px;font-size:23px}.form-panel>p{color:var(--muted);line-height:2;margin:0 0 23px;font-size:12px}.field{margin:16px 0;display:flex;flex-direction:column;gap:8px}.field label{font-size:12px;font-weight:800;color:#c7d8ed}.input{padding:15px 16px;border:1px solid #49658c6b;background:#07172c;color:#f7faff;border-radius:12px;width:100%;outline:0;min-height:50px}.input:focus{border-color:#8cb8f9;box-shadow:0 0 0 3px #2b6cbe25}.input::placeholder{color:#6f86aa}.select{color-scheme:dark}.hint{font-size:11px;color:#95adcc;line-height:1.9}.hint.warning{color:#f7d4a1}.notice{background:#1a2c46;border:1px solid #6285b33f;border-radius:13px;padding:13px 17px;color:#c2d6ef;line-height:2;font-size:12px;margin:17px 0}.notice.important{border-color:#d4a86b70;background:#d4a86b10;color:#f2d9a6}.note-green{color:#91eac9}.notice.error{color:#ff9aaa;border-color:#ce5d73}.row{display:flex;gap:11px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.full{width:100%}.narrow{max-width:950px;margin:auto}.eyebrow-ribbon{color:#edca8d;font-size:11px;font-weight:800;letter-spacing:1px}.dashboard-head{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:28px}.student-title{font-size:29px;margin:5px 0}.muted{color:var(--muted)}.section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.exam-card{padding:24px;overflow:hidden;min-height:283px;display:flex;flex-direction:column;align-items:flex-start}.exam-card.active{border-color:#719cdd5c;background:linear-gradient(145deg,#17335afc,#101f3a)}.exam-card:after{content:'⚛';position:absolute;left:-13px;top:54px;font-size:117px;color:#6d98d412;transform:rotate(-26deg)}.card-top{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px}.tag{border-radius:8px;padding:6px 11px;font-size:10px;font-weight:800;background:#28486c;color:#b4d6ff}.tag.gold{color:#f3cd90;background:#b888401d}.tag.muted{color:#97a6bf;background:#52607836}.exam-card h3{margin:26px 0 8px;font-size:21px;position:relative;z-index:1}.exam-card p{color:var(--muted);font-size:12px;line-height:1.9;margin:0 0 20px}.exam-card .btn{margin-top:auto;z-index:1}.history-panel{margin-top:26px;padding:22px}.history-panel h3{margin-top:0}.history-list{display:grid;gap:10px}.history-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:11px;background:#0a1b36}.history-row span{color:var(--muted);font-size:11px}.score-small{color:#f0d3a0;font-weight:900}.quiz-top{padding:20px 22px;border:1px solid var(--border);border-radius:19px;background:#0c1c36;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:17px}.quiz-top h2{font-size:19px;margin:4px 0}.quiz-label{color:var(--gold);font-size:11px;font-weight:800}.quiz-stats{display:flex;gap:20px;align-items:center}.quiz-stats strong{font-size:21px;color:white}.progress-track{background:#1b3051;height:7px;border-radius:99px;overflow:hidden;margin:14px 0 24px}.progress-fill{height:100%;background:linear-gradient(90deg,#79b2fa,#e8c17c);transition:width .25s}.quiz-layout{display:grid;grid-template-columns:1fr 240px;gap:17px;align-items:start}.question-panel{padding:23px;border:1px solid #517bb35b;background:#101e37;border-radius:19px}.question-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}.question-heading h3{margin:0;font-size:19px}.source-image{width:100%;display:block;background:white;border-radius:12px;object-fit:contain;min-height:100px;border:1px solid #cad4e5}.image-wrap{padding:9px;background:#f8fafb;border-radius:14px}.image-caption{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:10px;color:#a8bed8;font-size:11px}.choices{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin:26px 0}.choice{display:flex;justify-content:center;align-items:center;gap:10px;background:#112747;border:1px solid #49699480;border-radius:13px;min-height:59px;font:800 20px Arial,sans-serif;color:#c7dfff}.choice:hover{background:#1c3961}.choice.selected{background:#e8c17c23;color:#f8d9a4;border-color:#ecc57a;box-shadow:0 0 0 2px #d6b06e18}.choice span{font-family:'Cairo';font-weight:700;font-size:11px;color:#89a9d5}.question-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.question-nav .btn{min-width:130px}.map-panel{padding:18px;border:1px solid var(--border);border-radius:19px;background:#0b1a32;position:sticky;top:16px}.map-panel h4{margin:0 0 6px;font-size:16px}.map-panel p{font-size:11px;color:var(--muted);margin:0 0 16px;line-height:1.8}.question-map{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.map-item{width:100%;aspect-ratio:1;border:1px solid #315073;background:#122a4b;color:#b4c8e6;border-radius:7px;display:grid;place-items:center;font:700 11px Arial,sans-serif}.map-item.answered{background:#214e57;color:#a9f8cf;border-color:#3e9280}.map-item.current{box-shadow:0 0 0 2px #ecc47d;border-color:#ecc47d}.map-panel .btn{margin-top:17px}.result-head{display:flex;justify-content:space-between;align-items:center;gap:26px;border:1px solid #9f7a4669;background:radial-gradient(circle at 13% 10%,#57462b52,transparent 55%),linear-gradient(145deg,#173057,#0b1931);border-radius:23px;padding:30px;margin-bottom:20px}.result-head h1{font-size:32px;margin:10px 0}.score-circle{border:8px solid #d9b472;border-left-color:#426a9a;border-bottom-color:#426a9a;width:151px;height:151px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}.score-circle strong{font-size:38px;line-height:1.3}.score-circle span{color:var(--muted);font-size:12px}.result-facts{display:flex;gap:13px;flex-wrap:wrap;margin:24px 0}.stat-chip{border:1px solid var(--border);padding:14px 18px;background:#132544;border-radius:12px;min-width:120px}.stat-chip b{font-size:22px;display:block}.stat-chip small{color:var(--muted)}.review-list{display:grid;gap:10px}.review-item{border:1px solid var(--border);border-radius:15px;background:#101d35;overflow:hidden}.review-item summary{display:flex;align-items:center;gap:12px;padding:17px;cursor:pointer;font-weight:800}.review-item summary::marker{content:''}.answer-status{padding:5px 10px;border-radius:7px;font-size:11px}.answer-status.correct{background:#1a5e4e;color:#a7f6d8}.answer-status.wrong{background:#733447;color:#ffc1c9}.review-body{padding:4px 17px 20px;border-top:1px solid var(--border);color:#c5d6ed;font-size:12px;line-height:2.1}.review-body img{width:min(100%,600px);display:block;border:3px solid white;border-radius:10px;margin:12px 0}.review-body b{color:var(--gold)}.extras-panel{margin-top:22px;padding:22px}.extras-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.extras-grid img{width:100%;border:2px solid white;border-radius:9px}.extras-grid p{color:var(--muted);font-size:11px}.admin-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 18px}.admin-tab{background:#112846;border:1px solid var(--border);padding:10px 17px;border-radius:10px;color:#b5cbe9;font-weight:800}.admin-tab.active{background:#d5ac69;color:#101d33}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:19px}.metric-card{padding:21px}.metric-card small{color:var(--muted);font-size:12px}.metric-card strong{font:900 34px 'Cairo';display:block;margin-top:8px;color:#e9f2ff}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:15px}.panel{padding:22px}.panel h3{margin:0 0 17px;font-size:18px}.chart-row{display:grid;grid-template-columns:80px 1fr 37px;gap:10px;align-items:center;margin:11px 0;font-size:12px}.chart-row .bar{background:#203656;height:9px;overflow:hidden;border-radius:9px}.chart-row .bar span{display:block;height:100%;background:linear-gradient(90deg,#5d9ee6,#f0c27e);border-radius:9px}.table-scroll{overflow:auto;border-radius:15px;border:1px solid var(--border);margin-top:19px}table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:12px;background:#0d1b33}th,td{padding:14px 15px;text-align:right;border-bottom:1px solid #44608738}th{background:#162d50;color:#c7ddfb;font-weight:900}td{color:#c0d0e8}tr:hover td{background:#172845}tbody tr:last-child td{border:0}.table-scroll .btn{padding:6px 11px}.keys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.key-card{padding:18px;border:1px solid var(--border);background:#0f2240;border-radius:14px}.key-card img{width:100%;border:2px solid white;background:white;border-radius:8px;margin:10px 0}.key-card label{display:block;font-size:11px;color:#aabfdc;margin:8px 0 5px}.key-card textarea{resize:vertical;min-height:105px;font-size:12px;line-height:1.8}.empty{padding:30px;text-align:center;color:var(--muted);border:1px dashed #426089;border-radius:15px;background:#152b491f}.skeleton{animation:pulse 1.3s infinite alternate}@keyframes pulse{to{opacity:.4}}.toast{position:fixed;bottom:25px;left:25px;z-index:1000;background:#173657;color:#fff;border:1px solid #6695ce;border-radius:12px;padding:14px 19px;box-shadow:0 12px 40px #0008;max-width:calc(100vw - 40px);opacity:0;transform:translateY(15px);transition:.25s;pointer-events:none;font-size:13px}.toast.show{opacity:1;transform:translateY(0)}.toast.bad{background:#542333;border-color:#d76877}.loading-screen{min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;color:#b4c8e5}.spinner{width:35px;height:35px;border:3px solid #4072ad;border-top-color:#f3cb87;border-radius:100%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.small{font-size:11px}.mb20{margin-bottom:20px}.mt20{margin-top:20px}.text-center{text-align:center}
@media(max-width:960px){.hero{grid-template-columns:1fr;gap:5px;text-align:center;padding:41px 0 60px}.hero-copy{max-width:720px;margin:auto}.hero-lede{margin:0 auto 26px}.hero-buttons,.hero-facts{justify-content:center}.hero-art{height:455px;max-width:620px;width:100%;margin:auto}.steps{gap:10px}.step-card{padding:21px}.feature-strip{grid-template-columns:1fr 1fr}.feature-card.featured{grid-column:span 2}.section-grid{grid-template-columns:1fr 1fr}.quiz-layout{grid-template-columns:1fr}.map-panel{position:static}.question-map{grid-template-columns:repeat(9,1fr)}.keys-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){body{font-size:13px}.wrap{width:calc(100% - 30px)}.navbar{padding:10px 0;gap:5px}.logo-nav img{width:105px;height:54px}.brand-tag{display:none}.nav-actions{gap:3px}.nav-actions .nav-link{padding:5px;font-size:11px}.nav-actions .btn{padding:9px 10px;font-size:11px}.hero{padding:37px 0 48px;min-height:auto}.hero h1{font-size:37px;line-height:1.55}.hero-lede{font-size:13px;line-height:2}.hero-buttons{flex-direction:column}.hero-buttons .btn{width:100%}.hero-facts{gap:8px;margin-top:28px}.fact{font-size:10px;flex:1 0 43%}.hero-art{height:365px;overflow:hidden}.atom-orbit{width:320px;height:136px}.atom-core{width:108px;height:108px}.atom-core strong{font-size:42px}.floating-note{padding:8px 10px}.floating-note b{font-size:10px}.floating-note small{font-size:9px}.floating-note .ic{font-size:14px}.n1{right:0;top:23px}.n2{bottom:36px;left:0}.n3{left:0}.steps,.feature-strip,.section-grid,.form-layout,.extras-grid,.two-col,.keys-grid{grid-template-columns:1fr}.steps{gap:12px;margin-bottom:60px}.step-card{min-height:170px}.section-header{margin:20px 0 22px}.section-header h2{font-size:26px}.feature-card.featured{grid-column:auto}.feature-strip{margin-bottom:55px}.quote{flex-direction:column;text-align:center;margin-bottom:45px;padding:24px}.quote .btn{width:100%}.footer{flex-direction:column;text-align:center;gap:4px}.page{padding-top:25px}.form-layout{gap:8px;margin-top:0}.form-aside{padding:0 4px}.form-aside h2{font-size:24px}.form-aside .aside-list{display:none}.form-panel{padding:22px}.dashboard-head{align-items:flex-start;flex-direction:column}.section-grid{gap:12px}.exam-card{min-height:235px}.quiz-top{padding:14px}.quiz-layout{gap:12px}.question-panel{padding:12px}.question-heading h3{font-size:16px}.choices{grid-template-columns:repeat(2,1fr);gap:9px;margin:17px 0}.choice{min-height:54px}.question-nav .btn{min-width:103px;padding:11px}.question-map{grid-template-columns:repeat(9,1fr);gap:5px}.map-panel{padding:13px}.result-head{flex-direction:column-reverse;text-align:center;padding:20px}.result-head h1{font-size:25px}.score-circle{height:128px;width:128px}.score-circle strong{font-size:31px}.result-facts{justify-content:center}.stat-chip{flex:1}.metrics{grid-template-columns:repeat(2,1fr)}.metric-card{padding:16px}.metric-card strong{font-size:29px}.panel{padding:16px}.image-wrap{padding:4px}.source-image{border-radius:5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Newton Academy 1.1 — teacher PDF / question-bank UI */
.card-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:stretch}
.card-actions .btn{flex:1 1 165px}
.teacher-parts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:25px}
.teacher-parts .exam-card{padding:22px;min-width:0}
.questions-manager{display:grid;gap:12px;margin-top:18px}
.questions-manager .panel{margin:0!important}
.editor-form{display:grid;gap:13px;margin-top:17px}
.editor-form .field{margin:0}
.editor-form label{font-weight:700}
.textarea{resize:vertical;min-height:100px;line-height:1.8;letter-spacing:0;white-space:pre-wrap}
.generated-password{background:#021124;padding:17px;border:1px dashed var(--gold);border-radius:12px;color:#fff;font-size:19px;font-family:ui-monospace,monospace;overflow-wrap:anywhere;margin:14px 0;direction:ltr;unicode-bidi:isolate}
.review-source{display:block;max-width:100%;width:100%;border-radius:12px;background:#fff;max-height:280px;object-fit:contain;margin:13px 0}
.review-item{overflow-wrap:anywhere}
.review-item h3{font-size:15px;line-height:1.9}
.section-subtitle{font-size:24px;margin:30px 0 18px}
.question-text{line-height:2;font-size:20px;margin:9px 0 20px}
.image-wrap .btn{color:#082347;background:#e8f0fd;border-color:#afc5e1;margin-top:9px}
.matching-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:15px 0}
.matching-grid>div{padding:14px;border:1px solid var(--border);border-radius:13px;background:#091a34;line-height:1.9}
.matching-grid p{border-top:1px solid #34507245;margin:8px 0;padding:8px 0}
.mistakes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.mistake-row{display:flex;justify-content:space-between;gap:10px;align-items:center;border:1px solid var(--border);border-radius:12px;background:#0b1c38;padding:13px;font-size:12px}
.mistake-row span{color:#aebfd8}
.mistake-row strong{color:#efc47a}
.import-item{border:1px solid var(--border);border-radius:12px;margin-top:13px;padding:16px;background:#0a1b35}
.import-item p{white-space:pre-wrap;max-height:170px;overflow:auto;line-height:2;color:#c6d5eb}
.history-row .score-small{display:block}
.table-scroll td small{display:block;margin-top:3px}
.zoom-dialog{max-width:min(92vw,1150px);max-height:92vh;border:1px solid #b2c3d6;border-radius:16px;padding:15px;background:white}
.zoom-dialog::backdrop{background:#030d1bde}
.zoom-dialog>img{display:block;max-width:85vw;max-height:78vh;object-fit:contain;margin:12px auto}
.field input[type=file]{padding:14px 11px;height:auto}
.choices label.choice{font-family:inherit;font-size:15px;justify-content:flex-start;padding:11px;line-height:1.6}
.choices label.choice input{accent-color:#eab96c;width:18px;height:18px;flex-shrink:0}
@media(max-width:880px){.teacher-parts,.mistakes-grid{grid-template-columns:1fr}.question-text{font-size:17px}}
@media(max-width:620px){.card-actions{flex-direction:column}.card-actions .btn{width:100%;flex-basis:auto}.matching-grid{grid-template-columns:1fr}.teacher-parts .exam-card{padding:15px}.review-source{max-height:220px}.admin-tabs{overflow:auto;scrollbar-width:thin;flex-wrap:nowrap}.admin-tab{white-space:nowrap}.questions-manager .row.between{align-items:flex-start;flex-direction:column}.mistake-row{flex-wrap:wrap}.generated-password{font-size:15px}}

/* Header logo contrast improvement — 2026-11-15 */
.logo-nav img{background:linear-gradient(135deg,#fffdf5,#f1e8d8);border:1px solid rgba(218,177,105,.8);border-radius:14px;padding:9px 13px;box-shadow:0 5px 22px rgba(0,0,0,.22);box-sizing:border-box;width:181px;height:82px;object-fit:contain}
@media(max-width:620px){.logo-nav img{width:124px;height:62px;padding:6px 8px;border-radius:11px}}