:root{color-scheme:dark;--bg:#101110;--panel:#1b1d19;--text:#f2f1eb;--muted:#acb09f;--line:#34382d;--accent:#ff824f;font:16px/1.65 Arial,'Noto Sans KR',system-ui,sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{touch-action:manipulation}button{min-height:44px;padding:10px 14px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}button:hover{border-color:var(--accent)}button:disabled{opacity:.5}button:not(:disabled){cursor:pointer}input,select,textarea{min-height:44px;padding:10px 12px;max-width:100%;background:var(--bg);border:1px solid var(--line);border-radius:6px;font-size:16px}textarea{width:100%;min-height:90px}input[type=checkbox]{width:20px;height:20px;min-height:20px;accent-color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}header{min-height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px max(20px,calc((100vw - 1640px)/2));background:var(--bg)}header>a:last-child{font-size:14px;white-space:nowrap;min-height:44px;display:flex;align-items:center;text-decoration:none}.brand{display:flex;align-items:center;gap:16px;font-family:Arial,Helvetica,sans-serif;line-height:normal;color:var(--text);text-decoration:none;font-size:24px;font-weight:700;letter-spacing:-1px;min-width:0}.hd2-mark{display:inline-block;width:17px;height:22px;border:3px solid var(--accent);transform:skewY(-23deg);position:relative;flex-shrink:0}.hd2-mark:after{content:'';position:absolute;inset:4px -8px -7px 4px;border:2px solid var(--accent)}.brand small{font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted);border-left:1px solid #505544;margin-left:10px;padding-left:13px}.layout{display:grid;grid-template-columns:208px minmax(0,1fr);max-width:1680px;margin:auto;min-height:calc(100dvh - 76px)}nav{border-right:1px solid var(--line);padding:26px 14px;display:flex;flex-direction:column;gap:8px}nav>button{text-align:left;border-color:transparent;background:none}nav>button[aria-current=page]{color:var(--accent);background:#29231e}.storage{font-size:13px;color:var(--muted);padding:26px 8px 12px}#tree{border-top:1px solid var(--line);padding-top:16px;display:grid;gap:4px}#tree button{font-size:13px;text-align:left;background:none;border-color:transparent;overflow-wrap:anywhere;word-break:break-word}main{min-width:0;padding:28px 28px 100px}h1{font-size:28px;line-height:1.25;letter-spacing:-.8px;margin:0 0 10px}h2{font-size:20px;line-height:1.4;margin:0}p{margin:0 0 16px}.muted,.meta{color:var(--muted);font-size:13px}.primary{background:var(--accent);color:#191b16;border-color:var(--accent)}.tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:20px 0 14px}.search{flex:1;min-width:min(100%,230px)}.crumbs{display:flex;align-items:center;gap:5px;flex-wrap:wrap;min-width:0;margin:16px 0}.crumbs button{background:transparent;border-color:transparent;padding:8px;font-size:14px;overflow-wrap:anywhere;max-width:100%}.explorer{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px}.list{min-width:0;border-top:1px solid var(--line)}.row{display:grid;grid-template-columns:36px minmax(0,1fr) 90px 140px 44px;gap:8px;align-items:center;border-bottom:1px solid var(--line);padding:8px 0;min-height:68px}.row>label{min-height:44px;display:flex;align-items:center;justify-content:center}.row.selected{background:#29231e}.filename{background:none;border-color:transparent;text-align:left;min-width:0;overflow-wrap:anywhere;word-break:break-word;display:grid;gap:3px;justify-content:start;padding:6px}.filetype{font-size:13px;color:var(--accent)}.filename small{color:var(--muted);font-size:13px}.size,.date{font-size:13px;color:var(--muted)}.rowhead{font-size:13px;color:var(--muted);min-height:44px}.rowhead button{border:0;padding:4px;background:none;font-size:13px;justify-content:start}.more{border:0;background:none;padding:8px;min-width:44px}.detail{background:var(--panel);padding:22px;border-radius:8px;align-self:start;overflow-wrap:anywhere;min-width:0}.detail dl{display:grid;grid-template-columns:60px minmax(0,1fr);gap:10px;font-size:13px}.detail dd{margin:0;overflow-wrap:anywhere}.detail button{display:block;width:100%;margin-top:8px}.detail .file-preview{background:var(--bg);min-height:90px;margin-bottom:18px;display:flex;align-items:center;justify-content:center;color:var(--muted)}.selection{position:sticky;bottom:max(8px,env(safe-area-inset-bottom));z-index:2;display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:6px;margin-top:20px}.selection span{margin-right:auto}.pagination{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;font-size:13px}.notice,#fatal{padding:14px 16px;margin:16px 0;background:#29231e;border-left:3px solid var(--accent);overflow-wrap:anywhere}.error{color:#ffb7a5}.empty{padding:32px 4px;color:var(--muted)}.sharecard,.job{padding:20px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;overflow-wrap:anywhere}.sharecard .actions,.job .actions{display:flex;gap:8px;flex-wrap:wrap}.state{color:var(--accent);font-size:14px}.meter{height:6px;border-radius:4px;background:var(--line);overflow:hidden}.meter span{display:block;height:100%;background:var(--accent);width:0}.upload-options{position:relative}.upload-options summary{min-height:44px;padding:10px 14px;background:var(--accent);color:#191b16;border-radius:6px;cursor:pointer;list-style:none}.upload-options summary:after{content:' ▾'}.upload-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:5;min-width:230px;padding:8px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px #0006;display:grid;gap:4px}.upload-menu button{border:0;text-align:left}.drop-active{outline:3px dashed var(--accent);outline-offset:8px}dialog{width:min(620px,calc(100vw - 40px));max-height:90dvh;overflow:auto;padding:24px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px}dialog::backdrop{background:#000b}.dialog-heading{display:flex;gap:16px;align-items:start;justify-content:space-between;margin-bottom:20px}.dialog-heading h2{padding-top:8px}#dialog-body{overflow-wrap:anywhere}#dialog-body label{display:grid;gap:6px;margin:16px 0}#dialog-body label.check{display:flex;align-items:center;gap:12px;min-height:44px}#dialog-body input:not([type=checkbox]),#dialog-body select{width:100%}.dialog-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;margin-top:24px}.linkbox{width:100%;min-height:90px;word-break:break-all}.preview-image{max-width:100%;max-height:60dvh;object-fit:contain}pre.preview-text{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.8 monospace;background:var(--bg);padding:18px;max-height:60dvh;overflow:auto}.picker-list{display:grid;gap:8px}.picker-list button{text-align:left;overflow-wrap:anywhere}.recipient{max-width:520px;margin:60px auto;padding:24px}.recipient h1{font-size:34px;line-height:1.3;margin:24px 0}.recipient p{line-height:1.9}.recipient button{width:100%}.eyebrow{color:var(--accent);font:12px monospace;letter-spacing:2px}#status{margin:20px 0;color:var(--muted);overflow-wrap:anywhere}
@media(max-width:1279px){.layout{grid-template-columns:184px minmax(0,1fr)}.explorer{grid-template-columns:minmax(0,1fr)}.detail{display:none}.row{grid-template-columns:36px minmax(0,1fr) 80px 110px 44px}}
@media(max-width:1023px){.layout{display:block}nav{border:0;border-bottom:1px solid var(--line);padding:10px 16px;display:flex;flex-direction:row;flex-wrap:wrap;gap:4px}nav>button{flex:1;padding:10px 8px;font-size:14px}nav .storage{padding:8px;width:100%}#tree{display:none}main{padding:24px 20px 110px}}
@media(max-width:767px){header{padding:14px 16px;gap:8px}header>a:last-child{font-size:13px}nav>button{font-size:13px;white-space:nowrap}.layout nav{gap:2px}main{padding:22px 16px 110px}.tools{gap:6px}.tools .search{flex-basis:100%;order:3}.row{grid-template-columns:32px minmax(0,1fr) 44px;gap:5px;min-height:76px}.row .size,.row .date{display:none}.rowhead{display:none}.filename{font-size:16px}.filename .meta{display:block}.selection{gap:6px;bottom:max(8px,env(safe-area-inset-bottom))}.selection>span{width:100%;font-size:13px}.selection button{flex:1;padding:10px 8px;font-size:13px}h1{font-size:26px}dialog{position:fixed;inset:0;margin:0;width:100%;max-width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0;padding:20px 16px;padding-bottom:max(20px,env(safe-area-inset-bottom))}.dialog-actions{position:sticky;bottom:-20px;background:var(--panel);padding:16px 0;margin-top:24px}.dialog-actions button{flex:1}.recipient{margin:24px auto;padding:20px}.recipient h1{font-size:30px}.upload-menu{max-width:calc(100vw - 32px)}}
@media(min-width:768px){.filename .meta{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

progress{width:100%;height:8px;accent-color:var(--accent)}

@media(max-width:680px){.brand{font-size:23px}.brand small{display:block;font-size:11px;border:0;margin:4px 0 0;padding:0}}

.event-log{margin-top:32px}.event-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.event-heading h2{margin-right:auto}.event-heading label{display:flex;align-items:center;gap:8px;font-size:14px}.event-list{border-top:1px solid var(--line)}.event-row{display:grid;grid-template-columns:minmax(130px,1fr) minmax(100px,1fr) auto;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.5;align-items:start}.event-row>span{overflow-wrap:anywhere;min-width:0}.event-actor,.event-row time{color:var(--muted)}.event-row time{white-space:nowrap}.event-summary{margin-top:14px;font-size:13px;color:var(--muted)}nav.event-pagination{display:flex;flex-direction:row;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;padding:12px 0;border:0}.event-pagination button{flex:0 0 auto;font-size:14px;min-width:44px;padding:8px}.event-pagination button[aria-current=page]{background:var(--accent);color:var(--bg);border-color:var(--accent)}
@media(max-width:680px){.event-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:4px 12px}.event-row time{grid-column:1/-1;white-space:normal}.event-heading{gap:8px}.event-heading h2{flex-basis:100%}nav.event-pagination{gap:4px}.event-pagination button{padding:8px 6px}}

.mail-editor{max-width:780px;margin-top:28px}.mail-editor label,#mail-composer label{display:grid;gap:6px;margin:16px 0}.mail-editor input,.mail-editor select,#mail-composer input,#mail-composer select{width:100%}.mail-preview{display:block;width:600px;max-width:100%;height:680px;background:#fff;border:1px solid var(--line);border-radius:6px}.oauth-callback{display:block;overflow-wrap:anywhere;font-size:13px}#otp-section{border:1px solid var(--line);padding:18px;margin:20px 0}#otp-section label{display:grid;gap:8px;margin:16px 0}#otp-code{width:100%;letter-spacing:4px}#otp-section h2{font-size:20px}#otp-section .muted{margin-top:12px}