:root { --bg:#f7f7f8; --rail:#f0f0f1; --surface:#fff; --line:#dedee2; --text:#202123; --muted:#565869; --soft:#e8e8ea; --accent:#202123; --rail-w:280px; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Apple SD Gothic Neo','Noto Sans KR',sans-serif; color-scheme:light; }
*{box-sizing:border-box} html{scroll-behavior:smooth;scroll-padding-top:88px} body{margin:0;background:var(--bg);color:var(--text);line-height:1.7} a{color:inherit;text-decoration:none} button{font:inherit}
.detail-sidebar{position:fixed;inset:0 auto 0 0;width:var(--rail-w);display:flex;flex-direction:column;padding:28px 20px 22px;background:var(--rail);border-right:1px solid var(--line);z-index:20}.detail-brand{font:600 17px 'Outfit';padding:0 10px 25px}.detail-brand span{color:var(--accent)}.back-link{display:flex;align-items:center;gap:10px;padding:10px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.detail-nav{display:flex;flex-direction:column;gap:4px;padding-top:25px}.detail-nav>span{padding:0 10px 8px;color:#a0a6b1;font-size:12px}.detail-nav a{display:flex;align-items:center;gap:12px;padding:10px;border-radius:9px;color:#5c6476;font-size:14px}.detail-nav a:hover,.detail-nav a.active{background:#e6e8ed;color:var(--text)}.detail-nav i{width:17px;text-align:center}.detail-profile{display:flex;flex:0 0 auto;gap:10px;align-items:center;min-height:52px;margin-top:auto;padding:18px 10px 0;border-top:1px solid var(--line)}.detail-profile img{flex:0 0 34px;width:34px;height:34px;object-fit:cover;border-radius:50%}.detail-profile div{min-width:0;display:flex;flex-direction:column}.detail-profile strong{font-size:13px;line-height:1.3;font-weight:700}.detail-profile span{color:var(--muted);font-size:11px;line-height:1.45;font-weight:400}
.detail-main{margin-left:var(--rail-w)}.detail-topbar{position:sticky;top:0;height:70px;display:flex;align-items:center;gap:16px;padding:0 36px;background:rgba(247,248,250,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:10}.detail-topbar>span{font-weight:600}.github-link{padding:8px 13px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font-size:13px}.detail-theme-toggle{margin-left:auto;width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);cursor:pointer}.detail-menu{display:none;border:0;background:none;color:var(--text)}.sidebar-close{display:none}.detail-content{width:min(920px,calc(100% - 64px));margin:0 auto;padding:74px 0 110px}.project-hero h1{margin:9px 0 5px;font-size:clamp(38px,6vw,66px);line-height:1.12;letter-spacing:-.045em}.project-label,.section-heading span{color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.project-tagline{margin:0 0 25px;color:var(--muted);font-size:20px}.project-meta{display:flex;flex-wrap:wrap;gap:12px 24px;padding:18px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.project-meta span{display:flex;align-items:flex-start;gap:8px}.project-cover{height:430px;margin:28px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#edf0f3;box-shadow:0 16px 45px rgba(31,38,51,.08)}.project-cover img{width:100%;height:100%;object-fit:cover}.project-cover>svg{width:100%;height:100%}.project-summary{max-width:780px;font-size:17px;line-height:1.9}.tech-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}.tech-list span{padding:5px 10px;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--muted);font-size:12px}
.detail-section{padding-top:100px}.section-heading h2{margin:6px 0 16px;font-size:32px;letter-spacing:-.03em}.section-lead{margin:0 0 26px;color:var(--muted)}.achievement-list{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.achievement-list li{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:20px 4px;border-bottom:1px solid var(--line)}.achievement-list i{margin-top:7px;color:var(--accent);font-size:11px}.architecture-frame{overflow:auto;padding:24px;border:1px solid var(--line);border-radius:14px;background:#11151d}.architecture-frame svg{display:block;width:100%;height:auto;min-width:720px}.trouble-list{display:grid;gap:10px}.trouble-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}.trouble-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px;border:0;background:none;text-align:left;cursor:pointer}.trouble-toggle span{display:grid;gap:3px;font-weight:600}.trouble-toggle small{color:var(--accent);font:600 11px 'Outfit';letter-spacing:.08em;text-transform:uppercase}.trouble-toggle[aria-expanded=true] i{transform:rotate(180deg)}.trouble-body{padding:0 20px 20px}.trouble-body>div{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:15px 0;border-top:1px solid var(--line)}.trouble-body strong{font-size:13px}.trouble-body p{margin:0;color:var(--muted);font-size:14px}.trouble-body .result{margin:10px -8px -8px;padding:16px 8px;border:0;border-radius:8px;background:#f3effd}.empty-state{padding:28px;border:1px dashed var(--line);border-radius:12px;color:var(--muted);text-align:center}.retrospective-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.retrospective-grid>div{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.retrospective-grid p{margin:8px 0 0;color:var(--muted);font-size:14px}
@media(max-width:800px){:root{--rail-w:0px}.detail-sidebar{transform:translateX(-100%);width:280px;transition:transform .2s ease}.menu-open .detail-sidebar{transform:translateX(0);box-shadow:18px 0 45px rgba(30,36,48,.12)}.sidebar-close{position:absolute;top:18px;right:14px;display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:var(--text);cursor:pointer}.sidebar-close:hover,.sidebar-close:focus-visible{background:var(--soft);outline:none}.detail-main{margin-left:0}.detail-menu{display:block}.detail-topbar{height:62px;padding:0 18px}.detail-content{width:min(100% - 32px,920px);padding-top:48px}.github-link{font-size:0}.github-link i{font-size:15px}.project-cover{height:260px}.project-meta{display:grid}.retrospective-grid{grid-template-columns:1fr}.trouble-body>div{grid-template-columns:1fr;gap:5px}.detail-section{padding-top:75px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important}}
.dark-theme{--bg:#171717;--rail:#1f1f1f;--surface:#242424;--line:#383838;--text:#f2f2f2;--muted:#b4b4b4;--soft:#2c2c2c;--accent:#f2f2f2;color-scheme:dark}.dark-theme .detail-sidebar{background:var(--rail)}.dark-theme .detail-topbar{background:rgba(23,23,23,.9)}.dark-theme .detail-nav>a:hover,.dark-theme .detail-nav>a.active{background:#303030;color:#f4f4f4}.dark-theme .detail-brand span,.dark-theme .project-label,.dark-theme .section-heading span,.dark-theme .trouble-toggle small{color:var(--accent)}.dark-theme .project-cover{background:#111;box-shadow:0 18px 50px rgba(0,0,0,.22)}.dark-theme .tech-list span{background:#242424;border-color:#404040}.dark-theme .architecture-frame{background:#111;border-color:#3d3d3d}.dark-theme .trouble-body .result{background:#2c2c2c}.dark-theme .detail-theme-toggle,.dark-theme .github-link{background:#242424;border-color:#404040}
.trouble-body .result{background:#ececee}

.presentation-viewer{position:relative;height:518px;margin:28px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 16px 45px rgba(31,38,51,.08)}.presentation-viewer>img{display:block;width:100%;height:100%;object-fit:contain;background:#fff}.presentation-controls{position:absolute;left:50%;bottom:14px;display:flex;align-items:center;gap:12px;padding:7px 9px;border:1px solid rgba(255,255,255,.45);border-radius:12px;background:rgba(20,24,22,.82);color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2);transform:translateX(-50%);backdrop-filter:blur(10px)}.presentation-controls button{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:8px;background:rgba(255,255,255,.12);color:#fff;cursor:pointer}.presentation-controls button:hover:not(:disabled),.presentation-controls button:focus-visible{background:var(--accent);outline:none}.presentation-controls button:disabled{opacity:.3;cursor:not-allowed}.presentation-controls span{min-width:58px;text-align:center;font-size:12px;font-variant-numeric:tabular-nums}.architecture-frame{width:100%;height:auto;aspect-ratio:16/9;overflow:hidden;padding:0;border:0;border-radius:0;background:transparent}.architecture-frame img,.architecture-frame svg{display:block;width:100%;height:100%;object-fit:contain}.dark-theme .architecture-frame{background:transparent;border-color:transparent}.dark-theme .presentation-viewer{background:#20211f;border-color:#484945}
.presentation-badge{position:absolute;top:14px;right:14px;z-index:2;display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid rgba(255,255,255,.5);border-radius:9px;background:rgba(20,24,22,.82);color:#fff;font-size:12px;font-weight:700;box-shadow:0 6px 20px rgba(0,0,0,.16);backdrop-filter:blur(10px)}

@media(max-width:800px){.presentation-viewer{height:300px}.architecture-frame{height:auto}.presentation-controls{bottom:10px}}

/* Unified Codex workspace */
:root{--rail-w:var(--app-sidebar-width,244px);--topbar-h:50px;--bg:#fff;--rail:#f7f7f8;--surface:#f7f7f8;--line:#e5e5e7;--text:#202123;--muted:#5f6273;--soft:#ececee}
.sidebar-resizer{position:absolute;inset:0 0 0 auto;z-index:40;width:7px;cursor:col-resize;touch-action:none;outline:none}.sidebar-resizer::after{content:'';position:absolute;inset:0 auto 0 3px;width:1px;background:transparent;transition:background-color .15s ease}.sidebar-resizer:hover::after,.sidebar-resizer:focus-visible::after,.sidebar-resizing .sidebar-resizer::after{background:var(--muted)}.sidebar-resizing{cursor:col-resize;user-select:none}
html{scroll-padding-top:calc(var(--topbar-h) + 24px)}
.detail-sidebar{padding:16px 12px 14px;background:var(--rail);overflow:hidden}
.detail-brand{display:flex;align-items:center;gap:7px;padding:5px 8px 18px;font:650 15px var(--font-primary,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif);color:var(--muted)}
.detail-brand i{color:#9296a3;font-size:9px}
.detail-nav{min-height:0;flex:1;gap:2px;padding:0;overflow-y:auto;scrollbar-width:none}
.detail-nav::-webkit-scrollbar{display:none}
.detail-nav>span{padding:14px 9px 4px;color:#9296a3;font-size:11px}
.detail-nav>span:first-child{padding:0 9px 5px}
.detail-nav>a,.detail-project-list>a{display:flex;align-items:center;gap:10px;min-height:35px;padding:6px 9px;border-radius:8px;color:var(--muted);font-size:13px}
.detail-nav i,.detail-project-list i{width:15px;color:var(--muted);font-size:12px;font-weight:400;text-align:center}
.detail-nav i.fas{font-weight:900}
.detail-nav>a:hover,.detail-project-list>a:hover{background:color-mix(in srgb,var(--text) 5%,transparent);color:var(--text)}
.detail-nav>a.active,.detail-project-list>a.active{background:color-mix(in srgb,var(--text) 8%,transparent);color:var(--text);font-weight:600}
.detail-project-list{display:grid;gap:1px;margin:2px 0 3px 17px;padding-left:8px;border-left:1px solid var(--line)}
.detail-project-list>a{min-height:31px;padding:5px 8px;font-size:11px}
.detail-theme-toggle{flex:0 0 36px;width:36px;height:36px;margin:10px 0 0;border:1px solid var(--line);border-radius:8px;background:transparent}
.detail-theme-toggle:hover{background:var(--soft)}
.detail-profile{min-height:46px;margin:10px 0 0;padding:13px 8px 0}
.detail-profile img{flex-basis:30px;width:30px;height:30px}.detail-profile strong{font-size:12px}.detail-profile span{font-size:10px}
.detail-main{min-height:100vh;background:var(--bg)}
.detail-topbar{height:var(--topbar-h);gap:9px;padding:0 20px;background:color-mix(in srgb,var(--bg) 96%,transparent)}
.detail-topbar>span{overflow:hidden;color:var(--muted);font-size:12px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}
.github-link{padding:6px 9px;border:0;background:transparent;color:var(--muted);font-size:11px}
.github-link:hover{background:var(--soft)}
#presentation-link{margin-left:auto}#presentation-link[hidden]+#github-link{margin-left:auto}
.detail-content{width:min(880px,calc(100% - 56px));padding:42px 0 150px}
.detail-section-block{max-width:820px;margin:0 auto 64px}
.project-hero,.detail-section{padding:0;scroll-margin-top:calc(var(--topbar-h) + 24px)}
.project-hero h1{margin:4px 0 5px;font-size:clamp(38px,5vw,54px)}
.project-label,.section-heading span{color:#9296a3;font-size:11px;letter-spacing:0;text-transform:none}
.detail-award{display:inline-flex;align-items:center;gap:7px;margin:5px 0 14px;padding:6px 9px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);font-size:11px;font-weight:500;cursor:pointer}.detail-award i:last-child{margin-left:2px;font-size:9px}.detail-award:hover,.detail-award:focus-visible{background:var(--soft);outline:none}
.evidence-dialog{width:min(520px,calc(100% - 32px));height:auto;max-height:min(82vh,760px);padding:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);box-shadow:0 20px 60px rgba(0,0,0,.28);overflow:hidden}.evidence-dialog::backdrop{background:rgba(0,0,0,.58);backdrop-filter:blur(3px)}.evidence-dialog-header{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 16px;border-bottom:1px solid var(--line)}.evidence-dialog-header strong{font-size:13px;font-weight:600}.evidence-dialog-close{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}.evidence-dialog-close:hover,.evidence-dialog-close:focus-visible{background:var(--soft);color:var(--text);outline:none}.evidence-dialog-body{max-height:calc(min(82vh,760px) - 46px);overflow:auto;padding:12px;background:var(--bg)}.evidence-dialog-body img{display:block;width:auto;max-width:100%;height:auto;max-height:calc(min(82vh,760px) - 70px);margin:0 auto;background:#fff}
.evidence-dialog{position:fixed;inset:0;margin:auto}
.embed-mode{--rail-w:0;background:var(--surface)}.embed-mode .detail-sidebar,.embed-mode .context-rail,.embed-mode .detail-topbar,.embed-mode .sidebar-open{display:none!important}.embed-mode .detail-main{margin-left:0}.embed-mode .detail-content{max-width:820px;padding:32px 34px 64px}
@media(max-width:820px){.embed-mode .detail-content{padding:24px 18px 48px}}
.project-tagline{margin-bottom:20px;font-size:17px}
.project-cover,.presentation-viewer{border-radius:12px;box-shadow:none}
.project-summary{font-size:15px;line-height:1.85}
.section-heading h2{margin:5px 0 15px;font-size:28px}
.achievement-list li{padding:17px 4px}
.trouble-card{border-radius:10px}
.retrospective-grid>div{border-radius:10px}
.dark-theme{--bg:#171717;--rail:#1f1f1f;--surface:#242424;--line:#343434;--soft:#2c2c2c}

@media(max-width:800px){
    :root{--rail-w:0px;--topbar-h:56px}.sidebar-resizer{display:none}
    .detail-sidebar{width:268px;overflow-y:auto}.detail-nav{overflow:visible}
    .detail-content{width:min(100% - 32px,880px);padding-top:30px}
    .detail-topbar{height:var(--topbar-h);padding:0 14px}
}

/* Context rail and collapsible workspace sidebar */
.sidebar-collapse-control,.sidebar-reopen-control{display:grid;place-items:center;width:28px;height:28px;border:0;border-radius:7px;background:transparent;color:var(--muted);cursor:pointer}.sidebar-collapse-control{position:absolute;top:14px;right:12px;z-index:45}.sidebar-reopen-control{position:fixed;top:11px;left:10px;z-index:70;border:1px solid var(--line);background:var(--rail);opacity:0;pointer-events:none}.sidebar-collapse-control:hover,.sidebar-collapse-control:focus-visible,.sidebar-reopen-control:hover,.sidebar-reopen-control:focus-visible{background:var(--soft);color:var(--text);outline:none}
.context-rail{position:fixed;top:50%;right:12px;z-index:35;width:18px;transform:translateY(-50%)}.context-rail-ticks{display:grid;gap:12px;padding:8px 4px}.context-rail-ticks span{display:block;width:10px;height:2px;margin-left:auto;border-radius:2px;background:var(--muted);opacity:.42;transition:width .14s ease,opacity .14s ease}.context-rail:hover .context-rail-ticks span,.context-rail:focus-within .context-rail-ticks span{width:15px;opacity:.78}.context-rail-popover{position:absolute;top:50%;right:27px;width:245px;padding:12px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--surface) 96%,transparent);box-shadow:0 16px 44px rgba(0,0,0,.14);opacity:0;pointer-events:none;transform:translate(8px,-50%);transition:opacity .15s ease,transform .15s ease;backdrop-filter:blur(16px)}.context-rail:hover .context-rail-popover,.context-rail:focus-within .context-rail-popover{opacity:1;pointer-events:auto;transform:translate(0,-50%)}.context-rail-popover>strong{display:block;padding:4px 9px 8px;color:var(--muted);font-size:11px;font-weight:500}.project-context-nav a{display:flex;align-items:center;gap:10px;min-height:36px;padding:7px 9px;border-radius:8px;color:var(--muted);font-size:12px}.project-context-nav a i{width:15px;text-align:center}.project-context-nav a:hover,.project-context-nav a.active{background:color-mix(in srgb,var(--text) 7%,transparent);color:var(--text)}.project-context-rail:has(.project-context-nav a:nth-of-type(1).active) .context-rail-ticks span:nth-child(1),.project-context-rail:has(.project-context-nav a:nth-of-type(2).active) .context-rail-ticks span:nth-child(2),.project-context-rail:has(.project-context-nav a:nth-of-type(3).active) .context-rail-ticks span:nth-child(3),.project-context-rail:has(.project-context-nav a:nth-of-type(4).active) .context-rail-ticks span:nth-child(4),.project-context-rail:has(.project-context-nav a:nth-of-type(5).active) .context-rail-ticks span:nth-child(5){width:15px;opacity:1;background:var(--text)}
@media(min-width:801px){body.sidebar-collapsed .detail-sidebar{transform:translateX(-100%)}body.sidebar-collapsed .detail-main{margin-left:0}body.sidebar-collapsed .sidebar-reopen-control{opacity:1;pointer-events:auto}.detail-sidebar,.detail-main{transition:transform .2s ease,margin-left .2s ease}}
@media(min-width:801px){body.sidebar-collapsed .detail-topbar{padding-left:48px}}
.sidebar-collapse-control[hidden],.sidebar-reopen-control[hidden]{display:none!important}
@media(max-width:800px){.context-rail,.sidebar-collapse-control,.sidebar-reopen-control{display:none}}
@media(prefers-reduced-motion:reduce){.context-rail-popover,.detail-sidebar,.detail-main{transition:none}}
.context-rail-popover{right:18px;padding:11px;border-radius:12px;font-weight:400}.context-rail-popover>strong{font-weight:500}.project-context-nav a{gap:0;min-height:33px;padding:6px 9px;font-size:11px;font-weight:400}.project-context-nav a i{display:none}.project-context-nav a.active{font-weight:500}