/* Sosyalbilgin visual system — original, code-drawn learning illustrations. */
:root{--paper:#f7f7f9;--ink:#29282e;--muted:#777480;--line:#e8e6ec;--surface:#fff;--brand-red:#bd2035;--soft-shadow:0 5px 24px #2b142005}
html{scroll-behavior:smooth;scroll-padding-top:24px}
html[data-theme=dark]{--paper:#121318;--surface:#1b1d25;--input-surface:#161820;--ink:#f0eff5;--muted:#aaa7b7;--line:#30323e;--tint:#38232e;--soft-shadow:0 6px 24px #00000012}
body{font-family:"Segoe UI",Arial,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}
.sidebar{width:236px;padding:32px 22px 24px;background:var(--surface);scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.brand{font-size:22px;letter-spacing:-1px;gap:10px}.brand-icon{width:38px;height:40px;border-radius:12px;font-size:33px;background:var(--brand-red)}
.brand small{font-size:9px;margin-top:3px;letter-spacing:.15px}.workspace-label{margin:42px 12px 14px;font-size:9px;letter-spacing:1.7px}
nav{gap:6px}nav a{min-height:46px;padding:12px;border-radius:10px;gap:12px;color:var(--muted)}nav a span{font-size:12px;line-height:1.35;font-weight:600}nav a svg{width:19px;height:19px;flex-shrink:0}nav a:hover{color:var(--ink)}nav a.active{background:var(--tint);color:var(--primary)}nav a.active span{font-weight:700}nav a i{width:5px;height:5px;background:currentColor;border-radius:50%;margin-left:auto}
.sidebar-discover{position:relative;margin:38px 0 0;padding:20px 18px 18px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.sidebar-discover>svg{color:var(--primary);margin-bottom:10px}.sidebar-discover strong{font-size:18px;line-height:1.35;display:block;letter-spacing:-.4px}.sidebar-discover p{font-size:11px;line-height:1.8;margin:9px 0 15px}.sidebar-discover a{display:flex;align-items:center;justify-content:space-between;gap:4px;color:var(--primary);font-weight:650;font-size:11px}.sidebar-discover a svg{width:16px;height:16px}
.demo-account{padding-top:20px;margin-top:24px;gap:10px}.demo-account strong{font-size:12px}.demo-account small{font-size:10px}.avatar{flex-shrink:0;font-size:14px}.sidebar>form{margin-top:12px}.sidebar>form .btn{background:transparent;font-size:11px;padding:8px 12px}
.page{margin-left:236px}.topbar{padding:19px 36px;min-height:85px;background:var(--surface);gap:14px}.topbar-location{display:flex;flex-direction:column;gap:3px}.topbar-location>span{font-size:8px;letter-spacing:2px;color:var(--muted);font-weight:700}.topbar-location strong{font-size:12px;font-weight:600;color:var(--ink)}.topbar-actions{gap:14px}.preview-badge{display:flex;align-items:center;gap:6px;background:var(--paper);color:var(--muted);font-size:10px;border:1px solid var(--line);padding:5px 9px}.preview-badge i{width:5px;height:5px;background:#c67e62;border-radius:50%}.theme-toggle{font-size:10px;min-height:36px;padding:6px 10px;gap:7px}
main{max-width:1490px;padding:32px 36px 40px}.page-heading{margin:8px 0 30px}.page-heading h1{font-size:32px;letter-spacing:-1px;margin:9px 0}.eyebrow{font-size:9px;letter-spacing:1.7px}.surface{box-shadow:var(--soft-shadow);border-radius:16px}.btn{min-height:42px;font-size:12px;border-radius:9px;padding:11px 18px}.btn svg{width:17px;height:17px}.btn.secondary{background:var(--surface)}.field{font-size:11px;color:var(--ink);gap:8px}.field input,.field select,.field textarea{border-radius:9px;font-size:13px;min-height:43px}.field input::placeholder{color:var(--muted);font-size:12px}.notice{line-height:1.85}.admin-table th{font-size:10px;letter-spacing:.3px;padding:15px 12px}.admin-table td{padding-top:18px;padding-bottom:18px}.progress-row{align-items:center}.progress-row strong{font-size:14px}.progress-row p{font-size:11px}.lesson-copy{max-width:780px}.lesson-copy p{line-height:1.95}
.discovery-hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:22px;min-height:326px;padding:38px 36px;box-shadow:var(--soft-shadow)}
.hero-kicker{display:flex;align-items:center;gap:7px;font-size:8px;letter-spacing:1.7px;font-weight:700;color:var(--primary)}.hero-kicker>span{width:5px;height:5px;background:currentColor;border-radius:50%}.discovery-copy{position:relative;z-index:2}.discovery-copy h1{font-size:clamp(29px,3vw,47px);line-height:1.22;letter-spacing:-1.9px;margin:18px 0 16px;font-weight:750}.discovery-copy h1 em{font-style:normal;color:var(--primary)}.discovery-copy>p{font-size:12px;line-height:1.9;margin-bottom:24px}.hero-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.hero-secondary{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:600}.hero-secondary svg{width:16px;height:16px}.hero-secondary:hover{color:var(--primary)}.hero-footnote{display:flex;align-items:center;gap:9px;font-size:9px;letter-spacing:.15px;color:var(--muted);margin-top:22px}.hero-footnote i{width:3px;height:3px;border-radius:50%;background:var(--muted)}
.learning-art{height:100%;width:100%;color:var(--primary)}.art-fill{fill:currentColor;fill-opacity:.06}.art-soft{fill:currentColor;fill-opacity:.12;stroke-width:1.5}.discovery-art{position:relative;height:265px;display:flex;align-items:center;justify-content:center}.discovery-art:before{content:"";position:absolute;width:236px;height:236px;border:1px dashed var(--line);border-radius:50%;transform:rotate(-16deg)}.discovery-art .learning-art{position:relative;z-index:1;width:350px;height:270px;transform:rotate(-12deg)}.orbit-caption{position:absolute;right:5px;top:2px;font-size:7px;letter-spacing:2px;color:var(--muted);transform:rotate(10deg)}.discovery-tag{position:absolute;z-index:2;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:10px 12px;box-shadow:0 9px 22px #38111c08;font-size:10px;font-weight:600;white-space:nowrap}.discovery-tag svg{width:16px;height:16px;color:var(--primary)}.tag-history{top:45px;left:-12px;transform:rotate(-6deg)}.tag-geography{bottom:30px;right:-12px;transform:rotate(5deg)}.art-coordinate{position:absolute;bottom:0;left:50%;transform:translateX(-50%);font-size:8px;letter-spacing:2px;color:var(--muted)}
.subject-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0 38px}.subject-strip>a{display:flex;align-items:center;gap:13px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 15px;transition:border-color .2s}.subject-strip>a:hover{border-color:var(--primary)}.subject-icon{width:39px;height:39px;background:var(--tint);color:var(--primary);display:grid;place-items:center;border-radius:11px;flex-shrink:0}.subject-strip strong{display:block;font-size:12px;margin-bottom:3px}.subject-strip small{display:block;font-size:9px;line-height:1.6;color:var(--muted)}.subject-strip>a>svg{width:15px;height:15px;margin-left:auto;color:var(--muted);flex-shrink:0}
.catalog-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px}.catalog-heading h2{font-size:24px;letter-spacing:-.8px;margin:7px 0 0}.catalog-note{font-size:10px;color:var(--muted)}.filter-form{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;gap:14px;margin:22px 0 16px;align-items:end}.filter-form .field:first-of-type{flex:0 1 190px}.filter-form .field{flex:1 1 220px}.filter-form .btn{min-height:43px}.filter-form .field input,.filter-form .field select{background:var(--paper)}.catalog-results{display:flex;justify-content:space-between;gap:12px;font-size:9px;color:var(--muted);padding:0 2px 14px}.course-grid{gap:20px}.discovery-course{box-shadow:var(--soft-shadow);border-radius:14px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.discovery-course:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 12px 30px #3312210b}
.discovery-course .cover{height:188px;background:#f9edef;color:#b4263c;border-bottom:1px solid var(--line);isolation:isolate}.discovery-course .cover-history{background:#f4ece6}.discovery-course .cover-social{background:#edeff1}.discovery-course .cover:before,.discovery-course .cover:after{display:none}.discovery-course .cover .learning-art{height:185px;width:255px;max-width:95%;color:#bc4054;transition:transform .3s}.discovery-course:hover .learning-art{transform:scale(1.04)}.discovery-course .cover-history .learning-art{color:#997154}.discovery-course .cover-social .learning-art{color:#687785}.discovery-course .badge{z-index:2;font-size:8px;top:13px;left:13px;border:1px solid #ffffffbd;background:#ffffffdc;color:#a02336;border-radius:5px;padding:3px 7px}.cover-grade{position:absolute;z-index:2;right:13px;top:15px;font-size:9px;color:#74616a}.discovery-course .course-body{padding:20px 20px 0}.discovery-course .course-meta{display:flex;align-items:center;gap:6px;margin-bottom:9px;font-size:9px;letter-spacing:.2px;color:var(--muted)}.subject-dot{display:block;width:4px;height:4px;border-radius:50%;background:var(--primary)}.discovery-course h3{font-size:17px;letter-spacing:-.4px;line-height:1.4;margin-bottom:9px}.discovery-course .course-body>p{font-size:11px;line-height:1.85;margin-bottom:22px}.discovery-course-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;border-top:1px solid var(--line);padding:14px 0;font-size:10px;color:var(--muted)}.discovery-course-footer>a{display:flex;align-items:center;gap:10px;font-weight:650;color:var(--primary)}.discovery-course-footer svg{width:16px;height:16px}.empty>svg{color:var(--primary);width:32px;height:32px;margin-bottom:12px}.empty h3{font-size:20px}
.learning-note{display:flex;align-items:center;gap:20px;padding:26px 28px;margin-top:32px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.learning-note-icon{color:var(--primary);background:var(--tint);width:48px;height:48px;border-radius:14px;display:grid;place-items:center;flex-shrink:0}.learning-note h2{font-size:17px;letter-spacing:-.4px;margin:0 0 5px}.learning-note p{font-size:11px;margin:0}.learning-note>a{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);margin-left:auto;flex-shrink:0;color:var(--primary)}footer{padding:26px 36px;background:var(--surface);align-items:center}footer>strong{font-size:21px;letter-spacing:-.8px;color:var(--ink)}.footer-dot{color:var(--primary)}footer>span{text-align:right;font-size:9px;line-height:1.8}
html[data-theme=dark] .discovery-course .cover{background:#31212a}html[data-theme=dark] .discovery-course .cover-history{background:#302923}html[data-theme=dark] .discovery-course .cover-social{background:#222c32}html[data-theme=dark] .discovery-course .cover .learning-art{color:#db8295}html[data-theme=dark] .discovery-course .cover-history .learning-art{color:#c2a283}html[data-theme=dark] .discovery-course .cover-social .learning-art{color:#90adbd}html[data-theme=dark] .cover-grade{color:#c4aeb8}html[data-theme=dark] .discovery-course .badge{background:#1b1d25db;border-color:#ffffff13;color:#f1c8d0}
@media(min-width:1600px){main{padding-top:40px}.discovery-hero{min-height:370px}.discovery-art{height:290px}.discovery-art .learning-art{width:390px;height:300px}}
@media(max-width:1200px){.subject-strip>a{gap:10px;padding:15px 12px}.subject-strip>a>svg{display:none}.subject-icon{width:33px;height:33px}.hero-links{gap:14px}.discovery-hero{padding:30px 26px}.discovery-copy h1{font-size:34px}.discovery-art .learning-art{width:290px;height:240px}.discovery-tag{font-size:9px;padding:9px}.tag-history{left:0}.tag-geography{right:0}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1000px){.sidebar{width:204px;padding:28px 16px}.page{margin-left:204px}.brand{font-size:20px}.brand-icon{width:34px;height:37px}main{padding:26px}.topbar{padding:17px 26px}.discovery-copy h1{font-size:30px;letter-spacing:-1.2px}.discovery-art{height:240px}.discovery-art:before{width:180px;height:180px}.discovery-art .learning-art{min-width:230px;width:230px;height:220px}.discovery-tag{font-size:8px;gap:5px;padding:8px}.discovery-tag svg{width:13px;height:13px}.tag-history{top:27px;left:-4px}.tag-geography{bottom:34px;right:-4px}.orbit-caption{font-size:6px;letter-spacing:1px;right:-10px}.hero-kicker{font-size:7px;letter-spacing:1px}.discovery-copy>p{font-size:11px}.hero-secondary{font-size:10px}.hero-links{gap:12px}.hero-links .btn{font-size:11px;padding:10px 13px}.subject-strip{gap:10px}.subject-strip small{display:none}.subject-strip>a{padding:14px 10px;gap:9px}.subject-strip strong{font-size:11px;margin:0}.subject-icon{width:29px;height:29px;border-radius:8px}.subject-icon svg{width:16px;height:16px}.catalog-note{display:none}.catalog-heading h2{font-size:22px}.filter-form{padding:16px;gap:12px}.filter-form .field:first-of-type{flex:0 1 130px}.filter-form .field{flex:1 1 180px}.filter-form .btn{flex:1}.filter-form .btn svg{display:none}footer{padding:24px 26px}}
@media(max-width:720px){.sidebar{width:100%;padding:16px 18px;position:static}.brand{font-size:21px}.brand small{display:block}.sidebar-discover,.demo-account,.workspace-label,.sidebar>form{display:none}nav{margin-top:17px;display:flex;overflow:auto;gap:7px;scrollbar-width:none}nav a{padding:10px 12px;min-height:39px;flex-shrink:0;gap:7px}nav a span{font-size:10px}nav a svg{width:16px;height:16px}nav a i{display:none}.page{margin:0}.topbar{padding:13px 18px;min-height:60px}.topbar-location{display:none}.topbar-actions{width:100%;justify-content:space-between}main{padding:20px 18px 28px}.discovery-hero{grid-template-columns:1fr;padding:27px 24px;min-height:0;border-radius:17px}.discovery-copy h1{font-size:35px;letter-spacing:-1.7px;margin:18px 0 15px}.discovery-copy>p{font-size:12px}.hero-kicker{font-size:7px;letter-spacing:1.2px}.hero-links{gap:18px}.hero-links .btn{font-size:11px;padding:12px 15px}.hero-secondary{font-size:10px}.hero-footnote{margin-top:20px}.discovery-art{display:none}.subject-strip{gap:8px;margin:14px 0 30px}.subject-strip>a{flex-direction:column;text-align:center;gap:8px;padding:14px 6px}.subject-strip strong{font-size:10px}.subject-icon{width:31px;height:31px}.catalog-heading h2{font-size:22px;line-height:1.35;max-width:280px}.filter-form{padding:15px;margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:14px}.filter-form .field:first-of-type{grid-column:1/-1}.filter-form .field:nth-of-type(2){grid-column:1/-1}.filter-form .btn{grid-column:1/-1;width:100%}.filter-form .btn svg{display:block}.catalog-results{font-size:9px}.catalog-results>span:last-child{display:none}.course-grid{grid-template-columns:1fr;gap:18px}.discovery-course .cover{height:180px}.discovery-course .cover .learning-art{height:190px;width:265px}.discovery-course .course-body{padding:21px 21px 0}.discovery-course h3{font-size:19px}.discovery-course .course-body>p{font-size:12px}.discovery-course-footer{padding:16px 0;font-size:11px}.learning-note{padding:20px 18px;gap:13px}.learning-note-icon{width:37px;height:37px;border-radius:10px}.learning-note h2{font-size:15px}.learning-note p{font-size:10px}.learning-note>a{display:none}.page-heading{margin-bottom:24px}.page-heading h1{font-size:28px}.surface{padding:22px}footer{padding:22px 18px}footer>strong{font-size:18px}footer>span{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.discovery-course,.discovery-course .learning-art,.subject-strip>a{transition:none}.discovery-course:hover,.discovery-course:hover .learning-art{transform:none}}
@media(max-width:720px){.sidebar>form{display:flex;justify-content:flex-end;margin-top:9px}.sidebar>form .btn{min-height:34px;padding:6px 11px}}
.grade-picker{margin:16px 0}.sidebar .grade-picker{margin:12px 0 20px}.grade-picker .field{font-size:12px}.grade-picker select{width:100%;min-height:44px}.grade-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0 32px}.grade-grid>a{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:18px;background:var(--surface,#fff);border:1px solid #e8dfe1;border-radius:18px;color:inherit;text-decoration:none}.grade-grid strong{font-size:30px}.grade-grid strong small{font-size:13px}.grade-grid span{flex-basis:100%;font-size:12px;color:#75676b}.grade-grid svg{width:18px;margin-left:auto}.curriculum-map{margin:26px 0 36px}.curriculum-intro{display:flex;justify-content:space-between;align-items:center;gap:16px}.curriculum-intro h2{margin:8px 0}.curriculum-intro>span{font-size:13px;color:#796e72}.curriculum-subject{margin:24px 0 30px}.curriculum-subject>h3{font-size:22px;margin:0 0 6px}.curriculum-subject>.subtext{margin:0 0 14px}.curriculum-area{border:1px solid #e8dfe1;background:#fff;border-radius:16px;margin:10px 0;overflow:hidden}.curriculum-area summary{cursor:pointer;display:flex;align-items:center;gap:14px;padding:19px;list-style:none}.curriculum-area summary::-webkit-details-marker{display:none}.curriculum-area summary:after{content:'+';font-size:23px;color:#bd2035}.curriculum-area[open] summary:after{content:'−'}.area-number{border-radius:10px;padding:9px;background:#fff0f2;color:#b71d34;font-weight:700;font-size:13px}.curriculum-area summary strong{flex:1;font-size:16px}.topic-count{font-size:12px;color:#7c7075;white-space:nowrap}.topic-list{list-style:none;margin:0;padding:0 22px 8px 70px}.topic-list li{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid #eee6e8;padding:15px 0;font-size:14px;line-height:1.5}.topic-list li>div{min-width:0}.topic-list a{white-space:nowrap;font-size:12px}.topic-pending{font-size:11px;color:#83777c;white-space:nowrap;background:#f6f2f3;border-radius:20px;padding:4px 9px}.topic-extra{display:block;color:#8d6f43;font-size:11px;margin-top:4px}.curriculum-source{display:inline-block;font-size:12px;color:#a72238;margin:9px 0}.curriculum-disclaimer{font-size:12px;color:#81747a;line-height:1.8;border-left:3px solid #cf5265;padding-left:14px}.admin-pagination{display:flex;align-items:center;gap:15px;margin:20px 0}.admin-pagination span{margin-right:auto}
html[data-theme=dark] .curriculum-area,html[data-theme=dark] .grade-grid>a{background:#211d23;border-color:#3d323a}html[data-theme=dark] .topic-list li{border-color:#3c3039}html[data-theme=dark] .area-number{background:#442330;color:#ffacb8}html[data-theme=dark] .topic-pending{background:#342c35;color:#c6b5c0}html[data-theme=dark] .curriculum-source{color:#ffa4b3}html[data-theme=dark] .curriculum-intro>span,html[data-theme=dark] .topic-count,html[data-theme=dark] .grade-grid span,html[data-theme=dark] .curriculum-disclaimer{color:#bfaeb9}
@media(max-width:900px){.grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar .grade-picker{display:block;width:100%;margin:12px 0}.curriculum-intro{display:block}.topic-list{padding-left:20px}.curriculum-area summary{padding:15px;gap:10px}}
@media(max-width:520px){.topic-list li{align-items:flex-start;flex-direction:column;gap:7px}.curriculum-area summary strong{font-size:14px}.topic-count{font-size:10px}.grade-grid>a{padding:14px}}