/* R13.4.4 · Research space depth + knowledge-first layout */
.space-depth-main{width:min(1420px,calc(100% - 88px));padding-top:34px;padding-bottom:108px}
.space-depth-main .space-breadcrumb{margin:0 0 18px;padding:0 4px}
.space-depth-hero{position:relative;display:grid;grid-template-columns:minmax(0,.82fr) minmax(620px,1.18fr);gap:34px;min-height:520px;padding:34px;border:1px solid rgba(25,32,54,.08);border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(244,247,255,.93));box-shadow:0 34px 100px rgba(26,34,66,.11);overflow:hidden;isolation:isolate}
.space-depth-hero:before,.space-depth-hero:after{content:"";position:absolute;border-radius:50%;filter:blur(22px);pointer-events:none;z-index:-1}
.space-depth-hero:before{width:420px;height:420px;left:-150px;top:-190px;background:rgba(104,116,244,.14)}
.space-depth-hero:after{width:360px;height:360px;right:-120px;bottom:-170px;background:rgba(126,94,232,.12)}
.space-depth-copy{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:34px 10px 30px 18px}
.space-depth-copy h1{max-width:720px;margin:24px 0 0;color:#12151e;font-size:clamp(44px,4.7vw,72px);line-height:1.01;letter-spacing:-.072em;text-wrap:balance}
.space-depth-copy>p{max-width:680px;margin:22px 0 0;color:#6f7685;font-size:15px;line-height:1.9;text-wrap:pretty}
.space-depth-copy .space-hero-tags{margin-top:18px}
.space-depth-copy .space-hero-tags span{min-height:28px;padding:0 11px;border:1px solid rgba(76,91,181,.08);background:rgba(245,246,250,.92);font-size:10px}
.space-depth-copy .space-hero-actions{display:flex;gap:11px;margin-top:30px}
.space-depth-copy .space-hero-actions .button{min-height:44px;padding-inline:18px}
.space-depth-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:30px}
.space-depth-metrics span{min-width:0;padding:15px 14px;border:1px solid rgba(29,36,60,.07);border-radius:18px;background:rgba(255,255,255,.7);box-shadow:0 12px 28px rgba(25,31,55,.035)}
.space-depth-metrics b{display:block;color:#171b25;font-size:21px;letter-spacing:-.045em}
.space-depth-metrics small{display:block;margin-top:5px;color:#8a909d;font-size:9px}
.space-depth-stage{position:relative;min-height:450px;perspective:1400px;transform-style:preserve-3d;border:1px solid rgba(108,122,201,.18);border-radius:30px;background:linear-gradient(160deg,#12172f 0%,#1b2347 48%,#11162d 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 28px 68px rgba(21,28,62,.24);overflow:hidden;isolation:isolate}
.space-depth-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:32px 32px;opacity:.35;mask-image:linear-gradient(to bottom,transparent,#000 14%,#000 82%,transparent);z-index:-2}
.space-depth-stage__glow{position:absolute;border-radius:50%;filter:blur(36px);opacity:.58;z-index:-1}
.space-depth-stage__glow.glow-one{width:260px;height:260px;left:18%;top:14%;background:rgba(111,128,255,.26)}
.space-depth-stage__glow.glow-two{width:240px;height:240px;right:4%;bottom:4%;background:rgba(133,89,244,.22)}
.space-depth-stage__backplane{position:absolute;inset:40px 58px auto 58px;min-height:112px;padding:22px 24px;border:1px solid rgba(185,194,255,.12);border-radius:25px;background:rgba(29,36,78,.48);color:#e8ebff;transform:translateZ(-120px) scale(1.08);filter:blur(.45px);opacity:.58;box-shadow:0 24px 55px rgba(3,6,19,.2)}
.space-depth-stage__backplane span{display:block;color:#8f9bcc;font-size:8px;font-weight:800;letter-spacing:.18em}
.space-depth-stage__backplane b{display:block;margin-top:12px;font-size:23px;letter-spacing:-.035em}
.space-depth-stage__backplane small{display:block;margin-top:8px;color:#9ea8d1;font-size:9px;letter-spacing:.08em}
.depth-literature-shelf,.depth-outcome-shelf{position:absolute;border:1px solid rgba(188,196,255,.18);border-radius:24px;background:linear-gradient(145deg,rgba(41,49,96,.9),rgba(22,28,62,.82));box-shadow:0 28px 70px rgba(3,6,20,.34);backdrop-filter:blur(16px);transform-style:preserve-3d}
.depth-literature-shelf{left:34px;top:118px;width:62%;min-height:278px;padding:19px;transform:translateZ(78px) rotateY(-5deg) rotateX(1deg)}
.depth-outcome-shelf{right:26px;bottom:30px;width:42%;min-height:218px;padding:17px;transform:translateZ(128px) rotateY(7deg) rotateX(-1deg)}
.depth-literature-shelf header,.depth-outcome-shelf header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:14px;color:#fff}
.depth-literature-shelf header small,.depth-outcome-shelf header small{display:block;color:#98a3d2;font-size:7px;font-weight:800;letter-spacing:.15em}
.depth-literature-shelf header h3,.depth-outcome-shelf header h3{margin:6px 0 0;font-size:15px;letter-spacing:-.03em}
.depth-literature-shelf header>span,.depth-outcome-shelf header>span{min-width:32px;height:32px;display:grid;place-items:center;border-radius:11px;background:rgba(124,139,255,.13);color:#cfd5ff;font-size:11px;font-weight:800}
.depth-paper-stack,.depth-outcome-stack{display:grid;gap:9px;transform-style:preserve-3d}
.space-literature-tile{position:relative;min-width:0;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:13px;padding:15px;border:1px solid rgba(28,35,58,.07);border-radius:18px;background:linear-gradient(145deg,#fff,#fafbff);box-shadow:0 12px 28px rgba(28,35,58,.045)}
.space-literature-tile.is-compact{padding:11px 12px;border-color:rgba(185,194,255,.12);background:rgba(26,33,72,.86);box-shadow:0 16px 34px rgba(2,5,18,.22);transform:translate3d(calc(var(--tile-index) * 5px),0,calc(var(--tile-index) * 18px))}
.space-literature-tile__mark{width:39px;height:46px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(145deg,#eef1ff,#f8f7ff);color:#596cef}
.space-literature-tile.is-compact .space-literature-tile__mark{width:34px;height:40px;background:rgba(126,141,255,.14);color:#c8d0ff}
.space-literature-tile__mark svg{width:17px;height:17px}
.space-literature-tile small{display:block;color:#9a9fac;font-size:8px;font-weight:780;letter-spacing:.08em}
.space-literature-tile b{display:block;margin-top:5px;overflow:hidden;color:#20242e;font-size:12px;line-height:1.42;text-overflow:ellipsis;white-space:nowrap}
.space-literature-tile em{display:block;margin-top:5px;overflow:hidden;color:#858b97;font-size:9px;font-style:normal;text-overflow:ellipsis;white-space:nowrap}
.space-literature-tile.is-compact b{color:#fff;font-size:10px}
.space-literature-tile.is-compact em{color:#9fa8cf;font-size:8px}
.space-artifact-tile{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:15px;border:1px solid rgba(30,37,59,.07);border-radius:18px;background:linear-gradient(145deg,#fff,#fbfaff);box-shadow:0 12px 28px rgba(28,35,58,.045)}
.space-artifact-tile>span{width:39px;height:39px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#f0efff,#f8f7ff);color:#6c5ee9}
.space-artifact-tile>span svg{width:17px;height:17px}
.space-artifact-tile small{display:block;color:#989eaa;font-size:8px;font-weight:780;letter-spacing:.06em}
.space-artifact-tile b{display:block;margin-top:5px;color:#1f232d;font-size:12px;line-height:1.4}
.space-artifact-tile p{display:-webkit-box;margin:6px 0 0;overflow:hidden;color:#7c838f;font-size:9px;line-height:1.5;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.space-artifact-tile em{display:block;margin-top:7px;color:#9aa0aa;font-size:8px;font-style:normal}
.space-artifact-tile.is-compact{padding:10px 11px;border-color:rgba(188,196,255,.12);background:rgba(31,37,78,.86);box-shadow:0 16px 34px rgba(2,5,18,.2);transform:translate3d(calc(var(--tile-index) * -4px),0,calc(var(--tile-index) * 20px))}
.space-artifact-tile.is-compact>span{width:32px;height:32px;background:rgba(136,111,255,.15);color:#d8d0ff}
.space-artifact-tile.is-compact b{color:#fff;font-size:10px}
.space-artifact-tile.is-compact p{color:#a6aed0;font-size:8px;-webkit-line-clamp:1}
.space-artifact-tile.is-compact em{display:none}
.depth-empty{min-height:118px;display:flex;flex-direction:column;justify-content:center;padding:18px;border:1px dashed rgba(174,185,245,.18);border-radius:16px;color:#fff;background:rgba(17,23,55,.42)}
.depth-empty b{font-size:11px}
.depth-empty span{margin-top:7px;color:#9ea8ce;font-size:8px;line-height:1.55}
.space-depth-stage__floor{position:absolute;left:8%;right:8%;bottom:-26px;height:100px;transform:rotateX(68deg);transform-origin:center bottom;border-top:1px solid rgba(177,188,255,.12);background:linear-gradient(to bottom,rgba(115,130,255,.06),transparent)}
.space-depth-stage__floor i{position:absolute;top:0;bottom:0;width:1px;background:rgba(177,188,255,.08)}
.space-depth-stage__floor i:nth-child(1){left:25%}.space-depth-stage__floor i:nth-child(2){left:50%}.space-depth-stage__floor i:nth-child(3){left:75%}
.space-knowledge{margin-top:58px}
.space-knowledge__head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:20px;padding:0 4px}
.space-knowledge__head h2{margin:8px 0 0;font-size:34px;letter-spacing:-.06em}
.space-knowledge__head p{margin:9px 0 0;color:#7c8391;font-size:13px}
.space-knowledge-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(360px,.7fr);gap:18px;align-items:start}
.space-literature-vault,.space-outcome-vault{border:1px solid rgba(28,35,56,.075);border-radius:28px;background:rgba(255,255,255,.92);box-shadow:0 20px 58px rgba(27,33,51,.065);overflow:hidden}
.space-literature-vault>header,.space-outcome-vault>header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:24px 25px 20px;border-bottom:1px solid rgba(27,34,54,.06)}
.space-literature-vault header small,.space-outcome-vault header small{display:block;color:#8c93a1;font-size:8px;font-weight:800;letter-spacing:.15em}
.space-literature-vault header h3,.space-outcome-vault header h3{margin:8px 0 0;font-size:20px;letter-spacing:-.045em}
.space-literature-vault header p,.space-outcome-vault header p{margin:8px 0 0;color:#8a909c;font-size:11px}
.space-literature-vault header>span,.space-outcome-vault header>span{min-width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:#f0f2ff;color:#5c6deb;font-size:13px;font-weight:800}
.space-literature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;padding:18px}
.space-artifact-gallery{display:grid;gap:10px;padding:18px}
.space-vault-empty{grid-column:1/-1;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px;text-align:center;color:#7f8694}
.space-vault-empty>svg{width:30px;height:30px;color:#6575ec}
.space-vault-empty h3{margin:15px 0 0;color:#20242e;font-size:17px}
.space-vault-empty p{max-width:460px;margin:9px 0 0;font-size:11px;line-height:1.7}
.space-vault-empty .button{margin-top:18px}
.space-vault-empty.compact{min-height:240px}
.space-dock--secondary{margin-top:42px}
.space-progress-zone{margin-top:44px;border:1px solid rgba(28,35,56,.07);border-radius:26px;background:rgba(255,255,255,.82);box-shadow:0 16px 46px rgba(27,33,51,.05);overflow:hidden}
.space-progress-zone__head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;padding:23px 25px;border-bottom:1px solid rgba(27,34,54,.06)}
.space-progress-zone__head h2{margin:8px 0 0;font-size:24px;letter-spacing:-.05em}
.space-progress-zone__head p{margin:8px 0 0;color:#858c99;font-size:11px}
.space-progress-zone__head>a{display:flex;align-items:center;gap:7px;color:#4e62df;font-size:11px;font-weight:720}
.space-progress-list .space-list-row{min-height:72px;padding-inline:24px}
@media(max-width:1240px){.space-depth-hero{grid-template-columns:1fr;min-height:auto}.space-depth-stage{min-height:460px}.space-knowledge-grid{grid-template-columns:1fr}.space-outcome-vault{max-width:none}}
@media(max-width:860px){.space-depth-main{width:calc(100% - 30px);padding-top:24px}.space-depth-hero{padding:18px;border-radius:28px}.space-depth-copy{padding:24px 10px 16px}.space-depth-copy h1{font-size:clamp(40px,11vw,58px)}.space-depth-metrics{grid-template-columns:1fr}.space-depth-stage{min-height:520px}.depth-literature-shelf{left:18px;top:104px;width:78%;transform:translateZ(40px) rotateY(-3deg)}.depth-outcome-shelf{right:16px;bottom:24px;width:58%;transform:translateZ(70px) rotateY(4deg)}.space-knowledge__head,.space-progress-zone__head{align-items:flex-start;flex-direction:column}.space-literature-grid{grid-template-columns:1fr}}
@media(max-width:620px){.space-depth-copy .space-hero-actions{align-items:stretch;flex-direction:column}.space-depth-copy .space-hero-actions .button{justify-content:center}.space-depth-stage{min-height:590px;perspective:none}.space-depth-stage__backplane{inset:28px 22px auto;transform:none}.depth-literature-shelf{left:12px;right:12px;top:124px;width:auto;transform:none}.depth-outcome-shelf{left:34px;right:12px;bottom:18px;width:auto;transform:none}.space-knowledge{margin-top:42px}.space-knowledge__head h2{font-size:28px}.space-literature-vault>header,.space-outcome-vault>header{padding:21px 18px}.space-literature-grid,.space-artifact-gallery{padding:14px}.space-literature-tile{padding:13px}.space-depth-metrics span{padding:13px}}