/* Seventh room: a physical red-thread loop opens the divided clipping cabinet. */
.seventh-case{color:var(--cream);font-family:var(--serif);line-height:1.8;background:#191410;padding-bottom:60px}.seventh-case [hidden]{display:none!important}.seventh-case :focus-visible{outline:2px solid #c8a66c;outline-offset:5px}
.c7-hero{position:relative;min-height:calc(100svh - 88px);background:linear-gradient(90deg,#100c09e6,#100c0933 75%),linear-gradient(0deg,#191410,transparent 25%),url('../assets/optimized/01d30f3c188507d9/library/case-seven/clipping-room-before.webp') center/cover}.c7-back{position:absolute;left:6%;top:26px;z-index:2}.c7-hero-copy{padding:95px 6% 95px;max-width:720px}.c7-hero h1{font-size:clamp(36px,4.4vw,56px);line-height:1.4;margin:20px 0 25px}.c7-hero .eyebrow span{padding-left:20px;color:#b9a88e}.c7-hero blockquote{margin:0 0 23px;font-size:clamp(23px,2.4vw,30px);line-height:1.8}.c7-hero-copy>p:not(.eyebrow){font-size:17px;color:#d7c4a2}.c7-explore{display:inline-block;margin-top:22px;border-bottom:1px solid #b29257;padding-bottom:7px;font-size:15px}
.c7-investigation{max-width:1240px;margin:auto;padding:46px 42px 0;scroll-margin-top:24px}.c7-investigation:focus{outline:none}.c7-introduction{text-align:center;margin:0 auto 35px}.c7-introduction h2,.c7-evidence-heading h2{font-size:clamp(26px,3.4vw,38px);margin:12px 0 16px}.c7-introduction>p:last-child,.c7-evidence-heading>p:last-child{color:#d7c4a2;font-size:17px}.c7-scene{position:relative;aspect-ratio:3/2;isolation:isolate;container-type:inline-size;box-shadow:0 14px 35px #0005;background:#130e09;overflow:hidden}.c7-scene>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.c7-after{opacity:0;transition:opacity 1.1s ease}.is-connected .c7-after{opacity:1}.is-restored .c7-after{transition:none}.c7-thread{position:absolute;left:81%;top:83%;width:11%;height:15%;min-width:44px;min-height:44px;border:0;padding:0;background:transparent;border-radius:45%;cursor:grab;color:#f3d8ba;touch-action:none;transform:translateY(var(--pull,0));transition:transform .15s}.c7-thread:hover{background:radial-gradient(ellipse,#bb56422e,transparent 70%)}.c7-thread:active{cursor:grabbing}.c7-thread:disabled{opacity:1;cursor:default}.c7-thread>span{position:absolute;bottom:90%;left:45%;transform:translateX(-50%);white-space:nowrap;padding:5px 8px;background:#171008d9;border-bottom:1px solid #a95e48;text-shadow:0 2px 6px #000;font-size:clamp(11px,1.7cqw,16px);line-height:1.6;font-weight:400}.c7-thread small{display:block;font-size:.72em;color:#cbb18b}.is-connected .c7-thread>span{visibility:hidden}.c7-status{text-align:center;font-size:18px;color:#e3cda8;margin:26px 0;min-height:1.8em}
.c7-evidence{max-width:1030px;margin:65px auto 0}.c7-evidence-heading{text-align:center;margin-bottom:35px}.c7-links{display:grid;gap:28px}.c7-link-card{position:relative;color:#3d2b1d;background:#eadcc0 url('../assets/optimized/01d30f3c188507d9/library/letter-paper.webp') center/cover;padding:30px 42px 35px;box-shadow:2px 8px 20px #0004;animation:c7-paper-turn .7s calc(var(--link-order)*.1s) both;transform-origin:center top}.is-restored .c7-link-card{animation:none}.c7-note-number{font:italic 20px Georgia;color:#947249;margin:0 0 22px}.c7-note-number>span{font:12px var(--serif);letter-spacing:.12em;margin-left:14px}.c7-book-pair{display:grid;grid-template-columns:minmax(0,1fr) 100px minmax(0,1fr);gap:16px;align-items:center}.c7-book-pair>div{min-width:0}.c7-book-label{font-size:12px;color:#947653;letter-spacing:.13em}.c7-book-pair h3{font-size:25px;font-weight:400;line-height:1.6;margin:7px 0 12px}.c7-red-bridge{position:relative;height:2px;background:#923d34;box-shadow:0 1px 2px #60201555;display:block;margin-top:15px;transform:rotate(-3deg)}.c7-red-bridge:before,.c7-red-bridge:after{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:#af8750;top:-3px;box-shadow:1px 2px 3px #40281155}.c7-red-bridge:before{left:0}.c7-red-bridge:after{right:0}.c7-red-bridge i{position:absolute;right:30%;top:-3px;width:7px;height:7px;border-top:1px solid #923d34;border-right:1px solid #923d34;transform:rotate(45deg)}.c7-link-card blockquote{font-size:23px;line-height:1.95;margin:16px 0 0;padding:25px 0 0;border-top:1px solid #aa8b5b4d}.c7-deduction{margin-top:0}.c7-deduction .answer-feedback{grid-column:2}.c7-record{border-top:1px solid #bba67e;padding-top:28px;margin-top:30px}
.seventh-bookmark{display:block;width:125px;height:310px;margin:auto;filter:drop-shadow(4px 8px 5px #0005)}.seventh-bookmark svg{display:block;width:100%;height:100%}.bookmark .seventh-bookmark{width:100%;height:100%;filter:none}.seventh-result .revealed-bookmark .seventh-bookmark{width:125px;height:310px}.seventh-result .revealed-bookmark h1{font-size:33px;letter-spacing:.02em;white-space:nowrap}.c7-depart-stage{position:relative;width:190px;height:330px;margin:auto;overflow:hidden}.c7-carried{position:relative;z-index:1}.c7-recess{position:absolute;right:-12px;top:30px;width:40px;height:260px;background:linear-gradient(90deg,#0c080400,#030201);box-shadow:inset 4px 0 6px #000;opacity:0;transition:opacity .5s}.c7-bound-thread{position:absolute;left:28px;right:-35px;top:125px;height:2px;background:#9e4135;box-shadow:0 1px 2px #0004;transform:rotate(-8deg);transform-origin:right center}.c7-bound-thread:before{content:'';position:absolute;left:0;top:-7px;width:75px;height:15px;border:1px solid #9e4135;border-radius:50%}.c7-paper-link{position:absolute;left:22px;top:125px;width:22px;height:33px;background:#dccaab url('../assets/optimized/01d30f3c188507d9/library/letter-paper.webp') center/cover;transform:rotate(15deg);box-shadow:2px 3px 5px #0004}.c7-paper-link:after{content:'';position:absolute;left:94px;top:-10px;width:21px;height:30px;background:inherit;transform:rotate(-26deg);box-shadow:inherit}.seventh-result.is-departed .c7-recess{opacity:1}.seventh-result.is-departed .c7-carried{animation:c7-thread-carry 1s ease-in both}.seventh-result.is-departed .c7-bound-thread{animation:c7-thread-tighten .35s ease both}.c7-depart-status{text-align:center;margin:25px auto 0;font-size:14px;color:var(--muted)}
@keyframes c7-paper-turn{from{opacity:0;transform:perspective(1000px) rotateX(-12deg) translateY(16px)}to{opacity:1;transform:perspective(1000px) rotateX(0) translateY(0)}}@keyframes c7-thread-carry{0%{transform:translate(0) rotate(0);opacity:1}30%{transform:translate(8px,-5px) rotate(4deg);opacity:1}100%{transform:translate(155px,14px) scale(.5) rotate(13deg);opacity:0}}@keyframes c7-thread-tighten{to{transform:rotate(-2deg)}}
@media(max-width:760px){.c7-hero{min-height:calc(100svh - 76px);background-position:58% center}.c7-hero-copy{padding:88px 24px 85px}.c7-hero h1{font-size:32px}.c7-hero blockquote{font-size:24px}.c7-hero-copy>p:not(.eyebrow){font-size:16px}.c7-back{left:24px;top:20px}.c7-investigation{padding:35px 18px 0}.c7-introduction>p:last-child,.c7-evidence-heading>p:last-child{font-size:15px}.c7-scene{margin-inline:-18px;width:calc(100% + 36px)}.c7-thread{left:80%;top:80%;width:15%;height:19%}.c7-thread>span{bottom:95%;left:30%;font-size:11px}.c7-thread small{font-size:9px}.c7-status{font-size:16px}.c7-evidence{margin-top:45px}.c7-links{gap:22px}.c7-link-card{padding:25px 20px 28px}.c7-note-number{font-size:18px;margin-bottom:20px}.c7-note-number>span{font-size:11px}.c7-book-pair{grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr);gap:5px;align-items:start}.c7-book-pair h3{font-size:19px;line-height:1.7;overflow-wrap:anywhere}.c7-book-label{font-size:11px;letter-spacing:.06em}.c7-red-bridge{margin-top:44px}.c7-link-card blockquote{font-size:20px;padding-top:22px;margin-top:12px;line-height:1.95}.c7-deduction .answer-feedback{grid-column:1}.seventh-result .result-layout{grid-template-columns:minmax(0,1fr) 90px}.seventh-result .poirot-portrait{grid-column:2;grid-row:1;align-self:center}.seventh-result .poirot-verdict{grid-column:1/-1;grid-row:2}.seventh-result .revealed-bookmark h1{font-size:29px}.seventh-result .revealed-bookmark .seventh-bookmark{width:110px;height:235px}.c7-depart-stage{width:150px;height:250px}.c7-recess{height:200px}.c7-bound-thread{left:18px;top:95px}.c7-paper-link{left:18px;top:95px}}
@media(prefers-reduced-motion:reduce){.seventh-case *,.seventh-result *{transition:none!important;animation:none!important;scroll-behavior:auto!important}.seventh-result.is-departed .c7-carried{visibility:hidden}}

/* Place the invitation beside its physical clue in the room. */
.c7-explore{position:absolute;left:74%;top:57%;transform:translate(-50%,-50%);z-index:2;margin:0;padding:10px 7px;min-height:44px;display:inline-flex;align-items:center;gap:9px;white-space:nowrap;color:#f2dfb8;border-bottom:1px solid #c7a67599;text-shadow:0 2px 6px #000,0 0 16px #000;background:radial-gradient(ellipse,#120c0780,transparent 75%)}
.c7-explore:before{content:'◇';font-size:19px;color:#d9b66f}
.c7-explore:hover{color:#fff3d7;border-color:#edd49c}
.c7-explore:focus-visible{outline:2px solid #e3c282;outline-offset:5px}
@media(max-width:760px){
 .c7-hero{min-height:0;background-color:#191410;background-image:linear-gradient(180deg,#191410,transparent 25%,#19141022),url('../assets/optimized/01d30f3c188507d9/library/case-seven/clipping-room-before.webp');background-size:100% 66.667vw,100% auto;background-position:center bottom;background-repeat:no-repeat}
 .c7-hero-copy{padding-bottom:calc(66.667vw + 30px)}
 .c7-explore{left:68%;top:auto;bottom:26vw;transform:translateX(-50%);font-size:13px;gap:5px;padding:8px 5px}
}