/* NextGrade: a quiet, content-first visual system. */
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/* Square course cards retain the native, keyboard-accessible syllabus disclosure. */
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#course-list .course-group>h3{grid-column:1/-1;margin:0 0 2px}
#course-list .course{min-width:0;border:1px solid #e4e4e9;border-radius:24px;background:var(--surface);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
#course-list .course:hover{border-color:#c9c9d1;box-shadow:0 8px 28px #00000007}
#course-list .course summary{position:relative;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:20px;aspect-ratio:1;min-height:300px;padding:28px 28px 60px;background:transparent}
#course-list .course summary:focus-visible{outline-offset:-5px;border-radius:23px}
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#course-list .course .code:hover{color:#0058b0;border-color:#0071e3}
#course-list .course-heading{display:flex;flex-direction:column;flex:1;gap:16px}
#course-list .course-name{font-size:25px;line-height:1.15;letter-spacing:-.8px;font-weight:600;color:var(--ng-ink)}
#course-list .exam-countdown{margin-top:auto;gap:7px;font-size:12px;line-height:1.5}
#course-list .exam-countdown>span{flex-basis:100%}
#course-list .course .expand{position:absolute;right:24px;bottom:22px;display:grid;place-items:center;background:#e4e4e9;color:#45454b;width:30px;height:30px;line-height:1}
#course-list .course summary::after{content:'View syllabus';position:absolute;bottom:26px;left:28px;font-size:13px;font-weight:500;color:var(--ng-blue)}
#course-list .course[open] summary::after{content:'Hide syllabus'}
#course-list .course[open]{background:#fff;border-color:#c9d8e9}
#course-list .course-body{display:block;padding:0 26px 26px;border-top:1px solid var(--ng-line);margin:0 2px}
#course-list .course-body h4{margin-top:22px}
#course-list .course-body li{font-size:14px;line-height:1.7}
#course-list .course-package{margin-top:24px;padding:18px}
#course-list .course-package h4{margin-top:0}
#course-list .course-package .button{width:100%;font-size:13px;padding:12px 15px}
#course-list .source-note{font-size:12px}
@media(max-width:1000px){#course-list .course-group{grid-template-columns:repeat(2,minmax(0,1fr))}#course-list .course summary{min-height:310px}}
@media(max-width:600px){#course-list .course-group{grid-template-columns:1fr;gap:16px}#course-list .course summary{padding:28px 28px 60px;min-height:300px}#course-list .course-name{font-size:27px}#course-list .course-group>h3{margin-bottom:4px}}
@media(prefers-reduced-motion:reduce){#course-list .course{transition:none}}

/* Subject illustrations stay behind all card content and never intercept clicks. */
#course-list .course summary{isolation:isolate;background:#f8f9fb}
#course-list .course summary::before{content:'';position:absolute;inset:0;z-index:-1;background-image:linear-gradient(90deg,rgba(255,255,255,.93) 0%,rgba(255,255,255,.55) 50%,rgba(255,255,255,.25) 100%),var(--course-art);background-size:cover;background-position:center;opacity:1;pointer-events:none;border-radius:23px}
#course-list .course .code{background:rgba(255,255,255,.95)}
#course-list .course-heading .course-name{text-shadow:0 1px 10px #fff,0 0 4px #fff}
#course-list .exam-countdown{align-self:flex-start;background:rgba(255,255,255,.91);padding:7px 10px;border-radius:10px;color:#45454b}
#course-list .course summary::after{color:#005bb8;text-shadow:0 0 8px #fff}
#course-list #ppc101,#course-list #ppc112{--course-art:url("course-bg-maths.svg")}
#course-list #mat101,#course-list #mat112{--course-art:url("course-bg-calculus.svg")}
#course-list #pphye101,#course-list #pphye112{--course-art:url("course-bg-waves.svg")}
#course-list #phu103{--course-art:url("course-bg-mechanics.svg")}
#course-list #phu124{--course-art:url("course-bg-electricity.svg")}
#course-list #pche101,#course-list #pche112,#course-list #chm102{--course-art:url("course-bg-chemistry.svg")}
#course-list #pbio112{--course-art:url("course-bg-biology.svg")}
#course-list #phsf101,#course-list #phsf112,#course-list #pphym112{--course-art:url("course-bg-anatomy.svg")}
#course-list #phu103l,#course-list #phu124l{--course-art:url("course-bg-laboratory.svg")}