:root{--bg:#f8f9fa;--surface:#fff;--surface-low:#f1f3f4;--ink:#191c1d;--muted:#687078;--line:#dde1e4;--orange:#d66f00;--orange-bright:#ff8c00;--orange-soft:#fff0e2;--blue:#4e5f7e;--blue-dark:#26364f;--blue-soft:#e5ecfa;--green:#087e38;--green-soft:#e1f5e8;--red:#ba1a1a;--shadow:0 10px 30px #232f3e12}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;font-family:Pretendard,Noto Sans KR,Apple SD Gothic Neo,system-ui,sans-serif}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #ff8c0059}.app-shell{min-height:100vh}.top-bar{background:var(--blue);color:#fff;z-index:50;justify-content:space-between;align-items:center;height:68px;padding:0 28px;display:flex;position:fixed;inset:0 0 auto;box-shadow:0 2px 12px #19233729}.brand{color:#fff;cursor:pointer;background:0 0;border:0;align-items:center;gap:11px;padding:8px 0;display:flex}.brand strong{letter-spacing:-.03em;font-size:21px}.brand-mark{background:var(--orange-bright);color:#623200;border-radius:9px;place-items:center;width:30px;height:30px;display:grid}.header-actions{align-items:center;gap:16px;display:flex}.favorite-button{color:#fff;cursor:pointer;background:#ffffff1a;border:0;border-radius:999px;align-items:center;gap:7px;padding:8px 13px;display:flex}.favorite-button b{background:var(--orange-bright);color:#4b2600;border-radius:10px;place-items:center;min-width:20px;height:20px;font-size:11px;display:grid}.standby{letter-spacing:.08em;background:#ffffff1f;border-radius:999px;padding:9px 12px;font:700 11px/1 ui-monospace,monospace}.standby i{background:#7ce89c;border-radius:50%;width:7px;height:7px;margin-right:6px;display:inline-block;box-shadow:0 0 0 4px #7ce89c1f}.side-nav{background:var(--surface);border-right:1px solid var(--line);z-index:20;flex-direction:column;gap:7px;width:238px;padding:24px 16px;display:flex;position:fixed;top:68px;bottom:0;left:0}.nav-button{color:#5f6872;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:12px;align-items:center;gap:14px;min-height:52px;padding:0 15px;display:flex}.nav-button span{place-items:center;width:28px;height:28px;font-size:22px;font-weight:800;display:grid}.nav-button em{font-size:15px;font-style:normal;font-weight:700}.nav-button:hover{background:var(--surface-low)}.nav-button.active{background:var(--orange-soft);color:#854600}.side-spacer{flex:1}.side-create{background:var(--blue-soft);min-height:52px;color:var(--blue-dark);cursor:pointer;border:1px solid #cbd4e4;border-radius:12px;font-size:13px;font-weight:700}.side-create span{vertical-align:-1px;font-size:20px}.bottom-nav{display:none}.main-content{min-height:100vh;margin-left:238px;padding-top:68px}.page{max-width:1180px;margin:0 auto;padding:48px 42px 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48px;place-items:center;width:48px;height:48px;font-size:24px;display:grid}.action-card.orange>span{color:#9a5000;background:var(--orange-soft)}.action-card.blue>span{color:var(--blue);background:var(--blue-soft)}.action-card.green>span{color:var(--green);background:var(--green-soft)}.action-card div{flex-direction:column;flex:1;gap:4px;display:flex}.action-card b{font-size:16px}.action-card small{color:var(--muted)}.action-card i{color:#9aa0a5;font-style:normal}.action-card:hover,.manual-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.section-block{margin-top:20px}.section-heading{justify-content:space-between;align-items:end;margin-bottom:18px;display:flex}.section-heading h2{letter-spacing:-.035em;margin:0;font-size:25px}.section-heading button{color:var(--orange);cursor:pointer;background:0 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a{cursor:zoom-in;background:#e8ebed;height:190px;display:block;overflow:hidden}.manual-photos img{object-fit:cover;width:100%;height:100%;transition:transform .2s;display:block}.manual-photos a:hover img{transform:scale(1.025)}.manual-photos figcaption{padding:11px 12px;font-size:13px;font-weight:700;line-height:1.45}.manual-photos figcaption small{color:var(--muted);margin-top:4px;font-size:10px;font-weight:500;display:block}.complete-banner{background:var(--green-soft);color:#075d2c;border-radius:16px;align-items:center;gap:16px;margin-top:18px;padding:20px;display:flex}.complete-banner>span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:44px;height:44px;font-size:24px;display:grid}.complete-banner p{margin:4px 0 0}.quick-progress{background:var(--blue-dark);color:#fff;border-radius:16px;padding:20px 24px 25px;position:relative;overflow:hidden}.quick-progress strong{color:#ffb77d;font-size:34px}.quick-progress span{color:#ffffffa6}.quick-progress i{background:var(--orange-bright);height:7px;transition:width .25s;position:absolute;bottom:0;left:0}.quick-list{gap:10px;margin:16px 0;display:grid}.quick-list label{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;align-items:center;gap:15px;min-height:72px;padding:13px 18px;display:flex}.quick-list input{opacity:0;position:absolute}.quick-list span{background:var(--surface-low);width:38px;height:38px;color:var(--blue);border-radius:11px;place-items:center;font-weight:900;display:grid}.quick-list em{font-size:16px;font-style:normal;font-weight:600}.quick-list label.done{background:#f5fcf7;border-color:#a9d9b9}.quick-list label.done span{color:#fff;background:var(--green)}.quick-list label.done em{color:#738078}.text-action{width:100%;min-height:50px;color:var(--orange);cursor:pointer;background:0 0;border:0;font-weight:800}.all-clear{text-align:center;background:var(--green-soft);color:#075d2c;border-radius:18px;padding:30px}.all-clear>span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:55px;height:55px;margin:auto;font-size:30px;display:grid}.all-clear h2{letter-spacing:.12em}.rack-layout{grid-template-columns:320px 1fr;align-items:start;gap:26px;display:grid}.rack-visual{background:#222830;border:8px solid #3a4149;border-radius:15px;padding:20px 16px 25px;box-shadow:0 18px 35px #14191e38}.rack-label{color:#9ca8b5;letter-spacing:.13em;text-align:center;margin-bottom:14px;font:700 10px ui-monospace,monospace;display:block}.rack-unit{color:#fff;background:linear-gradient(#565d64,#3b4248);border:1px solid #747b80;border-radius:4px;align-items:center;gap:10px;height:66px;margin:5px 0;padding:0 12px;display:flex;box-shadow:inset 0 0 10px #0000004d}.rack-unit b{color:#ffb77d;font:700 10px ui-monospace,monospace}.rack-unit strong{flex:1;font-size:13px}.rack-unit i{background:#68d98a;border-radius:50%;width:8px;height:8px;box-shadow:0 0 5px #68d98a}.rack-unit i+i{box-shadow:none;background:#90979d}.equipment-cards{gap:10px;display:grid}.equipment-cards article{border:1px solid var(--line);background:#fff;border-radius:14px;gap:15px;padding:18px;display:flex}.equipment-cards article>span{color:var(--orange);padding-top:5px;font:800 11px ui-monospace,monospace}.equipment-cards h2{margin:0 0 5px;font-size:18px}.equipment-cards p{color:var(--muted);margin:0 0 9px;font-size:14px}.equipment-cards small{color:#78614d}.rack-photo-panel{border:1px solid var(--line);background:#fff;border-radius:18px;margin:0;overflow:hidden;box-shadow:0 16px 32px #1a24301a}.rack-photo-button{cursor:zoom-in;background:#e9edf1;border:0;width:100%;padding:0;display:block;position:relative}.rack-photo-button img{object-fit:contain;width:100%;height:auto;max-height:620px;display:block}.rack-photo-button span{color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#131b24d1;border-radius:999px;padding:8px 11px;font-size:11px;font-weight:800;position:absolute;bottom:12px;right:12px}.rack-photo-panel figcaption{flex-direction:column;gap:4px;padding:14px 16px 16px;display:flex}.rack-photo-panel figcaption small{color:var(--muted);line-height:1.45}.rack-lightbox{z-index:100;cursor:zoom-out;background:#080d12e6;place-items:center;padding:28px;display:grid;position:fixed;inset:0}.rack-lightbox>button{z-index:2;color:#fff;cursor:pointer;background:#0000007a;border:1px solid #ffffff47;border-radius:50%;width:46px;height:46px;font-size:31px;line-height:1;position:fixed;top:18px;right:22px}.rack-lightbox img{object-fit:contain;cursor:default;border-radius:10px;max-width:min(94vw,1400px);max-height:92vh;display:block;box-shadow:0 24px 80px #00000073}.rack-reference-page{max-width:1180px}.rack-page-title{margin-bottom:18px}.rack-main-tabs{margin-bottom:24px}.rack-overview-card{border:1px solid var(--line);background:#fff;border-radius:24px;grid-template-columns:minmax(300px,420px) 1fr;display:grid;overflow:hidden;box-shadow:0 18px 46px #1f2b3914}.rack-overview-photo{cursor:zoom-in;background:linear-gradient(145deg,#27313b,#13191f);border:0;min-height:570px;padding:0;position:relative;overflow:hidden}.rack-overview-photo img{object-fit:contain;width:100%;height:100%;display:block}.rack-zoom-hint{color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#080d12c2;border:1px solid #ffffff2e;border-radius:999px;padding:9px 13px;font-size:11px;font-weight:800;position:absolute;bottom:16px;right:16px}.rack-overview-copy{flex-direction:column;justify-content:center;padding:38px;display:flex}.rack-doc-badge{background:var(--orange-soft);color:var(--orange);border-radius:7px;align-self:flex-start;padding:7px 10px;font-size:11px;font-weight:900}.rack-overview-copy h2{letter-spacing:-.04em;margin:18px 0 9px;font-size:29px}.rack-overview-copy>p{color:var(--muted);margin:0 0 25px;line-height:1.7}.rack-side-picker{gap:10px;display:grid}.rack-side-picker button{border:1px solid var(--line);background:var(--surface-low);text-align:left;cursor:pointer;border-radius:15px;grid-template-columns:44px 1fr 24px;align-items:center;gap:13px;width:100%;min-height:78px;padding:12px 14px;transition:all .18s;display:grid}.rack-side-picker button>span{width:42px;height:42px;color:var(--blue);background:#fff;border-radius:11px;place-items:center;font:900 15px ui-monospace,monospace;display:grid;box-shadow:0 2px 8px #1c283614}.rack-side-picker button div{flex-direction:column;gap:4px;min-width:0;display:flex}.rack-side-picker button b{font-size:15px}.rack-side-picker button small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.rack-side-picker button i{color:#a1a8af;font-size:20px;font-style:normal}.rack-side-picker button.active{background:var(--blue);color:#fff;border-color:#5d7396;box-shadow:0 9px 22px #2f43602e}.rack-side-picker button.active>span{color:#fff;box-shadow:none;background:#ffffff24}.rack-side-picker button.active small,.rack-side-picker button.active i{color:#ffffffad}.rack-guide-section{margin-top:34px}.rack-guide-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:17px;display:flex}.rack-guide-heading>div>span{color:var(--orange);letter-spacing:.16em;font:900 10px ui-monospace,monospace}.rack-guide-heading h2{letter-spacing:-.035em;margin:6px 0 4px;font-size:27px}.rack-guide-heading 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