:root{--navy:#173b67;--blue:#2563eb;--bg:#f3f6fb;--text:#1e293b;--muted:#64748b;--line:#e2e8f0}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Malgun Gothic",sans-serif;font-size:15px}
.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100% - 1050px)/2))}
.brand{display:flex;align-items:center;gap:11px;font-size:19px;color:var(--navy)}.brand-mark{display:grid;place-items:center;background:var(--blue);color:white;width:35px;height:35px;border-radius:10px;font-weight:bold}
.container{max-width:1050px;margin:42px auto;padding:0 20px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}h1{font-size:29px;margin:6px 0 8px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:bold;color:var(--blue);margin:0}.muted{color:var(--muted);margin:0;line-height:1.6}
.panel,.login-card{background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 25px #0f172a08}.panel{overflow:hidden}.toolbar{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}a{color:var(--blue);text-decoration:none}.breadcrumb{font-weight:600}.secondary,.logout{border:1px solid var(--line);background:white;border-radius:8px;padding:9px 12px;color:var(--text);cursor:pointer}
.upload{display:flex;gap:12px;align-items:center;padding:18px 22px;background:#f8faff;border-bottom:1px solid var(--line);flex-wrap:wrap}.upload input[type=file]{flex:1;min-width:180px}
.primary{background:var(--blue);border:0;color:white;border-radius:9px;padding:11px 17px;font-weight:bold;cursor:pointer}.primary:hover{background:#1d4ed8}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:15px 20px;border-bottom:1px solid #eef2f7}th{font-size:12px;color:var(--muted);background:#fff}tr:last-child td{border-bottom:0}.file-name{font-weight:600}.file-icon{margin-right:10px}.download{font-weight:bold;font-size:13px}.empty{text-align:center;padding:42px;color:var(--muted)}
.login-card{max-width:430px;margin:45px auto;padding:34px}.cloud-icon{width:55px;height:55px;border-radius:16px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-size:30px;margin-bottom:20px}.login-card h1{font-size:27px}.login-form{display:grid;gap:10px;margin-top:27px}.login-form label{font-size:13px;font-weight:bold}.login-form input{padding:13px;border:1px solid #cbd5e1;border-radius:9px;font-size:16px}.full{width:100%;margin-top:8px}.hint{font-size:12px;color:var(--muted);margin-top:18px;line-height:1.5}
.notice{padding:12px 15px;border-radius:9px;margin-bottom:16px}.notice.error{background:#fff0f0;color:#a11}.notice.success{background:#ecfdf3;color:#166534}.warning-box{margin-top:18px;background:#fff8e6;border:1px solid #f3dfa6;padding:15px 17px;border-radius:10px;font-size:13px;line-height:1.7;color:#76530a}footer{text-align:center;font-size:12px;color:#94a3b8;margin:35px 0}
@media(max-width:650px){.container{margin:24px auto;padding:0 12px}.topbar{padding:0 15px}.page-heading h1{font-size:25px}.toolbar,.upload{padding:14px}.table-wrap{overflow-x:auto}table{min-width:560px}th,td{padding:13px 12px}.login-card{margin:20px auto;padding:25px}}

.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.action-link,.delete-link{font-size:12px;font-weight:700;border:1px solid var(--line);border-radius:7px;padding:7px 9px;background:#fff;cursor:pointer;white-space:nowrap}.delete-link{color:#b91c1c;border-color:#fecaca}.inline-form{display:inline;margin:0}.button-link{display:inline-block;text-decoration:none}.preview-panel{padding:20px}.text-preview{white-space:pre-wrap;overflow-wrap:anywhere;font-family:Consolas,"Malgun Gothic",monospace;line-height:1.65;font-size:14px;margin:0;max-height:70vh;overflow:auto}.editor-panel{padding:18px}.editor-panel textarea{width:100%;min-height:55vh;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:15px;font:14px/1.6 Consolas,"Malgun Gothic",monospace;color:var(--text);background:#fbfdff}.editor-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}.back-link{display:inline-block;margin-top:18px}

.media-panel{padding:18px;display:flex;align-items:center;justify-content:center;min-height:260px}.image-viewer{display:block;max-width:100%;max-height:72vh;object-fit:contain;margin:auto}.pdf-viewer{width:100%;height:75vh;border:0;border-radius:8px}.media-player{width:100%;max-width:900px}.audio-wrap{width:100%;display:flex;align-items:center;flex-direction:column;gap:12px;padding:30px 12px}.audio-wrap h2{font-size:18px;overflow-wrap:anywhere;text-align:center}.media-note{margin-top:12px;font-size:12px}

.document-preview { max-width: 1000px; margin: 24px auto; padding: clamp(16px, 4vw, 48px); background: var(--panel, #fff); border: 1px solid #e5e7eb; border-radius: 10px; line-height: 1.7; overflow-wrap: anywhere; }
.document-preview h2 { margin-top: 1.5em; }
.document-preview p { white-space: pre-wrap; }
.slide-list { display: grid; gap: 18px; margin-top: 20px; }
.slide-preview { background: #fff; border: 1px solid #d8dee8; border-radius: 10px; padding: 22px; min-height: 150px; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.slide-label { color: #64748b; font-size: .85rem; font-weight: 700; border-bottom: 1px solid #e5e7eb; padding-bottom: 8px; margin-bottom: 12px; }

/* v11: stable file-list columns and long Korean filenames */
.table-wrap table { width: 100%; table-layout: auto; }
.table-wrap th, .table-wrap td { vertical-align: middle; }
.table-wrap td.file-name { min-width: 220px; max-width: 440px; overflow-wrap: anywhere; word-break: keep-all; }
.table-wrap td:last-child { min-width: 230px; }
.table-wrap .actions { align-items: center; gap: 6px; }
.table-wrap .action-link, .table-wrap .delete-link { white-space: nowrap; }
.image-viewer { max-width: 100%; height: auto; object-fit: contain; }

/* Spreadsheet grid: isolate file-list sizing and preserve worksheet coordinates. */
.excel-note{padding:14px 22px;font-size:13px}
.excel-preview{max-height:70vh;overflow:auto}
.excel-preview table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:0}
.excel-preview th,.excel-preview td{padding:7px 10px;min-width:100px;max-width:360px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);height:30px;vertical-align:top}
.excel-preview td{white-space:pre-wrap;overflow-wrap:anywhere}
.excel-preview td:last-child{min-width:100px}
.excel-preview thead th{position:sticky;top:0;z-index:2;background:#eef3f9;text-align:center}
.excel-preview tbody th{position:sticky;left:0;z-index:1;background:#eef3f9;text-align:center}
.excel-preview th:first-child{min-width:48px;width:48px}
.excel-preview thead th:first-child{left:0;z-index:3}
.excel-preview tr:last-child td{border-bottom:1px solid var(--line)}

/* Workspace visual system */
:root{--navy:#172a40;--blue:#3269ed;--bg:#f5f7fb;--text:#243449;--muted:#718096;--line:#e8edf4}
body{font-family:"Segoe UI","Malgun Gothic",sans-serif;font-size:14px;letter-spacing:-.25px}a,button,input,select,textarea{transition:background .15s,border-color .15s,box-shadow .15s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #8db4ff;outline-offset:3px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}[hidden]{display:none!important}
.sidebar{position:fixed;inset:0 auto 0 0;width:236px;background:#142438;color:#a8b6c9;padding:36px 22px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:12px;color:inherit;font-size:19px;letter-spacing:-.6px}.sidebar .brand{color:#fff;padding:0 5px}.brand small{display:block;font-size:9px;letter-spacing:1.8px;font-weight:500;color:#8299b4;margin-top:6px}.brand-mark{background:#3a75fa;width:39px;height:41px;border-radius:12px 12px 12px 3px;font-size:23px;box-shadow:0 5px 16px #0002}.nav-label{margin:54px 14px 15px;font-size:11px;color:#7f95ad}.nav-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:9px;font-weight:600;color:#c2d2e5}.nav-item.active{background:#283d56;color:#fff;box-shadow:inset 3px 0 #6b9cff}.nav-item>span:first-child{font-size:20px;color:#9ebfff}.nav-arrow{margin-left:auto;font-size:20px;color:#8a9eb6}.sidebar-note{margin:auto 4px 36px;padding:24px 12px 0;border-top:1px solid #ffffff13}.note-symbol{display:block;font-size:24px;color:#8caeef;margin-bottom:14px}.sidebar-note strong{font-size:13px;font-weight:500;color:#dbe6f5}.sidebar-note p{font-size:12px;line-height:1.9;color:#8299b4}.sidebar-bottom{border-top:1px solid #ffffff13;padding-top:23px;display:flex;gap:10px;align-items:center}.workspace-avatar{display:grid;place-items:center;background:#30455f;border:1px solid #53677f;color:#c4d5ec;border-radius:50%;width:34px;height:34px}.sidebar-bottom strong{font-size:12px;color:#dbe6f5;font-weight:500}.sidebar-bottom small{display:block;font-size:10px;margin-top:5px;color:#8299b4}.signed-in .app-shell{margin-left:236px}.topbar{height:79px;padding:0 42px;border-bottom:1px solid var(--line);background:#fff}.topbar-title{font-size:12px;color:#7d8b9d}.topbar-title span{padding:0 14px;color:#d2dbe7}.topbar-right{display:flex;align-items:center;gap:20px}.workspace-tag{font-size:11px;color:#7a8a9e;border:1px solid var(--line);border-radius:5px;padding:5px 9px;letter-spacing:.5px}.logout{border:0;color:#65778d;padding:7px 0;font-size:12px}.logout:hover{color:var(--blue);background:transparent}.container{max-width:1440px;padding:0 42px;margin:42px auto}.page-heading{gap:22px;margin-bottom:30px}.page-heading h1{font-size:30px;letter-spacing:-1.3px;overflow-wrap:anywhere}.eyebrow{font-size:9px;letter-spacing:2px;color:#6a83a8;margin-bottom:10px}.muted{font-size:13px;line-height:1.8}.heading-dot{color:var(--blue);padding-left:2px}.primary{background:var(--blue);border-radius:8px;padding:12px 18px;box-shadow:0 4px 10px #3269ed20;font-size:13px;white-space:nowrap}.primary:hover{background:#2458d5;box-shadow:0 5px 14px #3269ed30}.secondary{display:inline-block;border-color:#dfe6f0;font-size:12px;padding:9px 13px;border-radius:7px;white-space:nowrap}.secondary:hover{background:#f2f6fc;border-color:#bfcfe8}.panel{border-color:var(--line);border-radius:13px;box-shadow:0 3px 12px #21395d03}.drive-summary{display:grid;grid-template-columns:1fr 1fr 1.7fr;gap:16px;margin-bottom:28px}.drive-summary>div{display:flex;align-items:center;gap:17px;padding:23px;background:white;border:1px solid var(--line);border-radius:12px}.summary-icon{display:grid;place-items:center;width:47px;height:47px;border-radius:12px;font-size:27px}.summary-icon.blue{background:#edf3ff;color:#5b87ed}.summary-icon.amber{background:#fff6e8;color:#d4a146}.drive-summary small{display:block;color:var(--muted);font-size:11px;margin-bottom:6px}.drive-summary strong{font-size:27px;line-height:1.2;font-weight:650}.drive-summary strong>span{font-size:12px;font-weight:400;color:#94a2b3;margin-left:6px}.drive-summary .summary-message{background:#eef3fe;border-color:#e1e9fa}.summary-message strong{display:block;font-size:13px;color:#3d5f96;margin-bottom:8px}.summary-message small{margin:0;color:#8196b7;font-size:11px}.summary-spark{font-size:36px;color:#789eec}.toolbar{gap:14px;flex-wrap:wrap;padding:19px 24px}.breadcrumb{font-size:12px;font-weight:500;overflow-wrap:anywhere}.breadcrumb a{color:#60758e}.breadcrumb span{color:#7b8ea7}.upload{margin:20px 24px;padding:20px;border:1px dashed #cddbf0;border-radius:9px;background:#f8faff;gap:14px}.upload-caption{display:flex;align-items:center;gap:13px;flex:1;min-width:210px}.upload-caption>span{font-size:23px;width:37px;height:37px;border-radius:10px;border:1px solid #e1e9f6;background:white;display:grid;place-items:center;color:#608cea}.upload-caption strong{display:block;font-size:12px;font-weight:600}.upload-caption small{display:block;font-size:10px;color:#8a9bb1;margin-top:5px}.upload input[type=file]{font-size:11px;flex:0 1 245px;max-width:100%;min-width:160px;color:#7c8da3}.upload input::file-selector-button{background:white;border:1px solid #dbe4ef;border-radius:6px;padding:8px 10px;color:#5f7694;cursor:pointer;font-family:inherit;margin-right:9px}.upload .primary{padding:10px 15px;font-size:12px}.list-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:8px 24px 20px}.list-heading>div{display:flex;gap:10px;align-items:center}.list-heading h2{font-size:14px;font-weight:600;margin:0}.list-heading>div>span{font-size:10px;color:#8d9bad;background:#f2f5f9;border-radius:5px;padding:4px 7px}.file-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fafbfd;border-radius:7px;padding:7px 11px;width:245px;max-width:100%;color:#8b9eb7}.file-search>span{font-size:22px}.file-search input{background:transparent;border:0;outline:none;min-width:0;width:100%;font-size:11px;color:var(--text);padding:3px}.file-search:focus-within{border-color:#7da6ff;box-shadow:0 0 0 3px #3269ed10}.file-table{overflow-x:auto}.file-table table{min-width:710px}.file-table th{background:#f9fbfd;color:#8b99ac;font-size:10px;font-weight:500;padding:13px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.file-table td{padding:17px 22px;font-size:12px;border-bottom:1px solid #f0f3f8}.file-table tbody tr:hover{background:#f9fbff}.file-table .file-name{font-weight:500;min-width:250px;max-width:500px;color:#354b66}.file-name a{color:inherit}.file-name a:hover{color:var(--blue)}.file-icon{display:inline-grid;place-items:center;width:31px;height:36px;border-radius:6px;font-size:14px;font-weight:650;margin-right:12px;vertical-align:middle;background:#edf2fb;color:#6283b6}.file-icon.folder{background:#fff5df;color:#c89b3b;font-size:26px}.file-icon.sheet{background:#e9f6ef;color:#348962}.file-icon.pdf{background:#fff0ee;color:#d77b71}.file-icon.hangul{background:#eaf2ff;color:#587fcc}.type-label{font-size:10px;letter-spacing:.4px;color:#8b99ad}.file-table td:nth-child(3){white-space:nowrap;color:#8b99ad;font-size:11px}.file-table td:last-child{min-width:245px}.file-table .action-link,.file-table .delete-link{border:1px solid #e5ebf4;border-radius:5px;font-size:10px;font-weight:500;padding:6px 8px;color:#6b7f99;background:white}.file-table .action-link:first-child{color:#3f75df;background:#f1f5ff;border-color:#e4ebfc}.file-table .action-link:hover{background:#eaf1ff;color:#3269ed}.file-table .delete-link{color:#be8790;border-color:transparent;background:transparent}.file-table .delete-link:hover{background:#fff0f0;color:#b74454}.empty{padding:55px!important;color:#8a9bb1}.empty strong,.empty span{display:block}.empty strong{font-size:14px;color:#5f7592;margin:14px 0 8px;font-weight:500}.empty .empty-symbol{font-size:37px;color:#a5bad8}.warning-box{background:#fffcf5;border:1px solid #f0e9d8;color:#9b8a67;font-size:11px;line-height:1.9;padding:14px 19px;border-radius:9px}.warning-box b{font-size:11px;font-weight:600}.notice{border:1px solid transparent;font-size:13px}.notice.success{border-color:#cbe9d6}.notice.error{border-color:#f6dada}footer{display:flex;justify-content:space-between;font-size:10px;color:#a0adbd;padding:0 2px;margin:27px 0}footer>span:first-child{font-weight:600;color:#8798ad}.media-panel{padding:20px}.document-preview{border-color:var(--line);box-shadow:none}.panel>.page-heading{padding:24px 24px 0}.panel>p.muted{padding:0 24px 16px}.panel>object{width:calc(100% - 48px)!important;margin:0 24px 24px}.inline-form select{border:1px solid var(--line);padding:7px;border-radius:6px;color:var(--text);background:white}.inline-form label{font-size:12px;color:var(--muted);margin-right:5px}
.signed-out{background:#f7f9fc}.signed-out .topbar{padding:0 7vw;background:transparent;border:0}.login-brand{font-size:16px;font-weight:600;color:#243e60}.login-brand .brand-mark{width:31px;height:33px;font-size:19px;border-radius:9px 9px 9px 2px}.signed-out .container{max-width:1150px;margin:36px auto;padding:0 42px}.login-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:85px;align-items:center;min-height:650px}.login-intro{padding:30px 0}.login-intro>.eyebrow{color:#6884ad;font-size:10px}.login-intro>h1{font-size:53px;line-height:1.3;letter-spacing:-2.8px;margin:22px 0}.login-intro>h1>span{color:#3d78f5}.login-intro>p:not(.eyebrow){color:#8190a5;font-size:14px;line-height:1.9}.intro-caption{font-size:8px;letter-spacing:2.6px;color:#a0adc0}.login-card{padding:43px 36px;margin:0;max-width:none;border-radius:16px;box-shadow:0 16px 55px #233f6510;border:1px solid #e6edf6}.login-step{font-size:9px;color:#8ca2bf;letter-spacing:1.8px}.login-card h2{font-size:28px;letter-spacing:-1px;margin:19px 0 11px}.login-form{gap:12px;margin-top:35px}.login-form label{font-size:11px;color:#667d9b}.login-form input{padding:14px;border-color:#dfe7f2;background:#fbfcfe;font-size:12px;border-radius:7px}.login-form .primary{margin-top:8px;padding:14px;display:flex;justify-content:space-between;align-items:center;font-weight:500}.hint{font-size:10px;line-height:1.9;margin-top:25px;color:#99a8bc;padding-top:19px;border-top:1px solid #eff3f8}.login-art{position:relative;width:300px;height:220px;margin:15px 0 10px}.art-orbit{position:absolute;inset:20px 20px 10px;border-radius:50%;background:radial-gradient(ellipse,#dfeaff70,transparent 70%)}.art-folder{position:absolute;left:45px;top:80px;width:175px;height:110px;border-radius:8px 14px 14px 14px;background:linear-gradient(130deg,#86adff,#407bf0);transform:rotate(-7deg);box-shadow:0 16px 30px #6590d42b}.art-folder:before{content:"";position:absolute;left:0;top:-15px;width:70px;height:25px;background:#82aaff;border-radius:9px 13px 0 0}.art-folder span{position:absolute;bottom:16px;right:20px;color:#d7e6ff;font-size:24px;font-weight:600}.art-file{position:absolute;background:white;border:1px solid #e1e8f3;border-radius:7px;width:72px;height:95px;padding:16px 12px;font-size:11px;font-weight:bold;box-shadow:0 8px 16px #233f6509}.art-file i{display:block;background:#e8edf6;height:3px;margin-top:10px;width:100%}.art-file-one{top:17px;left:70px;transform:rotate(-14deg);color:#d4918c}.art-file-two{top:40px;left:166px;transform:rotate(12deg);color:#69a88d}.art-dot{position:absolute;width:11px;height:11px;border:2px solid #b8cdf2;border-radius:50%;right:12px;top:38px}
@media(min-width:1700px){.container{padding:0 60px}.topbar{padding:0 60px}}
@media(max-width:1200px){.sidebar{width:205px;padding:30px 17px}.signed-in .app-shell{margin-left:205px}.container{padding:0 26px}.topbar{padding:0 26px}.drive-summary{grid-template-columns:1fr 1fr}.drive-summary .summary-message{grid-column:1/-1;padding:16px 22px}.login-layout{gap:45px}.login-intro>h1{font-size:45px}}
@media(max-width:850px){.sidebar{width:76px;padding:27px 13px}.sidebar .brand{padding:0;justify-content:center}.sidebar .brand>span:last-child,.nav-label,.sidebar-note,.sidebar-bottom,.nav-arrow{display:none}.sidebar nav{margin-top:40px}.nav-item{font-size:0;padding:12px;justify-content:center}.nav-item>span:first-child{font-size:23px}.signed-in .app-shell{margin-left:76px}.topbar-right{gap:12px}.login-layout{gap:30px}.login-intro>h1{font-size:37px}.login-card{padding:32px 25px}.signed-out .container{padding:0 25px}.login-art{transform:scale(.85);transform-origin:left center;width:260px}}
@media(max-width:600px){.sidebar{display:none}.signed-in .app-shell{margin-left:0}.topbar{height:63px;padding:0 18px}.topbar-title{font-size:10px}.topbar-title span{padding:0 6px}.workspace-tag{display:none}.logout{font-size:11px}.container{padding:0 16px;margin:27px auto}.page-heading h1{font-size:25px}.page-heading{align-items:flex-start;flex-wrap:wrap}.eyebrow{font-size:8px}.muted{font-size:12px}.files-heading>.primary{padding:10px 13px;font-size:11px}.drive-summary{gap:10px;margin-bottom:20px}.drive-summary>div{padding:15px 12px;gap:10px}.summary-icon{width:36px;height:39px;font-size:23px}.drive-summary strong{font-size:23px}.drive-summary small{font-size:10px}.summary-message strong{font-size:12px}.drive-summary .summary-message{padding:14px}.toolbar{padding:16px}.upload{margin:16px;padding:15px}.upload-caption{width:100%;flex-basis:100%}.upload input[type=file]{flex:1}.list-heading{padding:6px 16px 17px;flex-wrap:wrap}.file-search{width:100%}.file-table td,.file-table th{padding:14px 16px}.warning-box{font-size:10px}.panel>.page-heading{padding:18px 16px 0}.panel>object{width:calc(100% - 32px)!important;margin:0 16px 16px}.signed-out .container{padding:0 20px;margin-top:15px}.login-layout{display:flex;flex-direction:column;gap:15px;align-items:stretch;min-height:auto}.login-intro{padding:20px 5px 0}.login-intro>h1{font-size:36px;margin:13px 0}.login-intro>h1 br{display:none}.login-intro>p:not(.eyebrow){font-size:12px}.login-art,.intro-caption{display:none}.login-card{padding:30px 25px}.signed-out footer{margin-top:30px}.file-table table{min-width:710px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Company identity and live workspace navigation */
.sidebar .company-brand{display:block;background:#fff;border-radius:7px;padding:10px 8px;flex-shrink:0}
.company-brand img{display:block;width:100%;height:auto}
.login-brand.company-brand{width:255px;max-width:65vw}
.sidebar .nav-label{margin-top:35px}
.workspace-nav{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;margin:0 -7px;padding:0 7px 20px;scrollbar-width:thin;scrollbar-color:#52647b transparent}
.workspace-tree>summary{cursor:pointer;list-style:none;background:#283d56;color:#fff;box-shadow:inset 3px 0 #6b9cff;gap:10px;font-size:13px;padding:14px 12px}
.workspace-tree>summary::-webkit-details-marker{display:none}
.tree-chevron{margin-left:auto;font-size:20px;transform:rotate(0deg)}
.workspace-tree[open]>summary .tree-chevron{transform:rotate(90deg)}
.workspace-children{padding:10px 0 0 10px}
.workspace-home{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#91a9c5;padding:10px 12px;margin-bottom:5px}
.workspace-child{display:flex;align-items:flex-start;gap:9px;padding:10px 10px;border-radius:6px;color:#afc0d5;font-size:11px;line-height:1.65;margin:2px 0}
.workspace-child>span:last-child{overflow-wrap:anywhere;word-break:keep-all;min-width:0}
.tree-icon{color:#819cbd;flex-shrink:0;font-size:16px;line-height:1.15;padding-top:2px}
.workspace-child:hover,.workspace-home:hover{background:#22364e;color:white}
.workspace-child.selected,.workspace-home.selected{background:#263e59;color:#fff;border-radius:6px}
.sidebar-bottom{flex-shrink:0;margin-top:14px}
@media(min-width:601px) and (max-width:850px){.sidebar{width:210px;padding:27px 17px}.signed-in .app-shell{margin-left:210px}.sidebar .company-brand{display:block}.sidebar .nav-label{display:block;margin:30px 12px 14px}.sidebar nav{margin-top:0}.workspace-tree>summary{justify-content:flex-start;font-size:12px}.sidebar-bottom{display:flex}}
@media(max-width:600px){.login-brand.company-brand{width:220px}}

/* Put the working file list first, on every folder page. */
.file-list-page .container{max-width:none;margin-top:22px;padding:0 28px}
.folder-heading{padding:20px 22px 16px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.folder-title{min-width:0}.folder-title .eyebrow{font-size:9px;letter-spacing:.8px;margin:0 0 7px}
.folder-title h1{margin:0 0 9px;font-size:23px;line-height:1.25;letter-spacing:-.8px;overflow-wrap:anywhere}
.folder-title .breadcrumb{font-size:11px;line-height:1.5}
.compact-tools{position:relative;display:flex;gap:12px;align-items:center;padding:12px 22px;border-top:1px solid var(--line);background:#fcfdff}
.folder-count{font-size:11px;color:#8493a7;white-space:nowrap;margin-right:auto}.folder-count strong{font-size:12px;font-weight:600;color:#4b6587;padding-left:4px}.folder-count>span{padding:0 10px;color:#c7d0dd}
.compact-tools .file-search{width:245px;padding:4px 10px;background:white}
.upload-disclosure>summary{cursor:pointer;list-style:none;font-size:11px;padding:10px 14px}
.upload-disclosure>summary::-webkit-details-marker{display:none}
.upload-disclosure[open]>summary{background:#244fc4}
.upload-disclosure .upload{position:absolute;right:14px;top:calc(100% - 2px);z-index:5;width:380px;max-width:calc(100% - 28px);margin:0;padding:18px;background:white;border:1px solid #dbe5f3;box-shadow:0 12px 28px #18365720;display:flex;flex-wrap:wrap}
.upload-disclosure .upload label{flex-basis:100%;font-size:12px;color:#5b7191;font-weight:600}
.upload-disclosure .upload input{min-width:0;flex:1}
.compact-file-panel .file-table td{padding-top:12px;padding-bottom:12px}
.compact-file-panel .file-table th{padding-top:11px;padding-bottom:11px}
.file-list-page .warning-box{font-size:10px;margin-top:14px;padding:10px 15px}
@media(max-width:600px){.file-list-page .container{padding:0 12px;margin-top:14px}.folder-heading{padding:17px 15px 14px}.folder-title h1{font-size:21px}.folder-title .eyebrow{font-size:8px}.compact-tools{padding:11px 15px;flex-wrap:wrap;gap:10px}.compact-tools .file-search{order:3;width:100%}.folder-count{font-size:10px}.upload-disclosure .upload{top:51px}.folder-heading>.secondary{font-size:10px;padding:8px}.compact-file-panel .file-table td{padding-top:10px;padding-bottom:10px}}

/* Crisp native vector symbol with real Korean text. */
.company-brand,.sidebar .company-brand,.login-brand.company-brand{display:flex;align-items:center;gap:9px;background:transparent;border:0;border-radius:0;padding:3px 0;max-width:100%;width:auto;text-decoration:none;flex-shrink:0}
.company-symbol{display:block;width:32px;height:32px;flex:0 0 32px}
.company-wordmark{display:block!important;font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;font-size:18px;font-weight:900;letter-spacing:-1.15px;line-height:1.25;white-space:nowrap;color:#F4F2ED}
.company-suffix{font-size:.8em;font-weight:700;letter-spacing:-.9px;margin-left:1px}
.sidebar .nav-label{margin-top:26px}
.login-brand.company-brand .company-symbol{width:38px;height:38px;flex-basis:38px}
.login-brand .company-wordmark{color:#292b2e;font-size:24px;letter-spacing:-1.5px}
@media(min-width:601px) and (max-width:1200px){.sidebar .company-brand{gap:7px}.sidebar .company-symbol{width:29px;height:29px;flex-basis:29px}.sidebar .company-wordmark{font-size:16px;letter-spacing:-1px}}
@media(max-width:600px){.login-brand.company-brand{max-width:100%;gap:8px}.login-brand.company-brand .company-symbol{width:31px;height:31px;flex-basis:31px}.login-brand .company-wordmark{font-size:20px;letter-spacing:-1.2px}}

/* Accounts and day-to-day file management */
.account-card{max-width:450px;margin:60px auto}.account-exit{margin-top:20px}.settings-panel{padding:25px;margin-bottom:22px}.settings-panel h1{font-size:25px;margin-top:4px}.settings-panel h2{font-size:16px;margin:0 0 20px}.narrow-form{max-width:550px}.sidebar-utilities{border-top:1px solid #ffffff14;padding-top:10px;margin-top:12px;flex-shrink:0}.sidebar-utilities .workspace-child{font-size:12px;align-items:center}.sidebar-utilities .workspace-child>span{font-size:18px;width:20px}.topbar-right .workspace-tag{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.management-table{overflow:auto}.management-table table{min-width:720px}.management-table th{background:#f8fafd;font-size:11px;padding:13px 18px}.management-table td{font-size:12px;padding:15px 18px;overflow-wrap:anywhere}.management-table td:last-child{min-width:110px}.management-table td strong{display:inline-block;margin-top:6px;font-weight:500}.management-note{padding:14px 4px}.nowrap{white-space:nowrap}.global-search{display:flex;gap:12px;padding:0 22px 22px}.global-search input{flex:1;min-width:0;padding:12px 14px;border:1px solid #dce5f2;border-radius:7px;background:#fcfdff;font:inherit;color:var(--text)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.role-badge{font-size:10px;padding:5px 8px;border-radius:5px;background:#edf2f7;color:#64748b}.role-badge.admin{background:#edf2ff;color:#416bc7}.role-badge.editor{background:#eaf7ef;color:#398562}.admin-create{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}.admin-create label,.user-settings label{display:flex;flex-direction:column;gap:8px;font-size:11px;color:#72869f}.admin-create label{flex:1;min-width:140px}.admin-create input,.admin-create select,.user-settings input,.user-settings select,.password-reset input{width:100%;border:1px solid #dce5f2;border-radius:6px;background:#fcfdff;color:var(--text);padding:10px;font:inherit}.account-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;margin-bottom:24px}.user-card{padding:22px}.user-card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.user-card-heading h2{font-size:16px;margin:0;overflow-wrap:anywhere}.user-settings{display:grid;grid-template-columns:1fr 1fr;gap:13px}.user-settings label:first-of-type{grid-column:1/-1}.user-settings>.secondary{grid-column:1/-1;margin-top:3px}.password-reset{border-top:1px solid var(--line);margin-top:17px;padding-top:14px}.password-reset summary{font-size:11px;color:#8295ae;cursor:pointer}.password-reset form{display:flex;gap:8px;margin-top:14px}.password-reset input{min-width:0;font-size:11px}.compact-tools .create-disclosure>.secondary{font-size:11px;padding:10px 13px}.compact-tools .upload input[type=text],.compact-tools .upload input[name=name]{border:1px solid #dce5f2;border-radius:6px;padding:10px;font:inherit;min-width:0;flex:1}.compact-file-panel .file-table td:last-child{min-width:300px}.mobile-management{display:none}
@media(max-width:1100px){.compact-tools{flex-wrap:wrap}.compact-tools .file-search{width:215px}.topbar-title{font-size:10px}.topbar-right{gap:12px}.topbar{padding-left:22px;padding-right:22px}}
@media(max-width:600px){.account-card{margin:25px auto}.settings-panel{padding:20px}.account-grid{grid-template-columns:1fr}.admin-create{gap:12px}.admin-create label{flex-basis:100%}.admin-create button{width:100%}.mobile-management{display:flex;gap:13px;overflow:auto;padding:11px 16px;background:white;border-bottom:1px solid var(--line);white-space:nowrap}.mobile-management a{font-size:11px;color:#6881a4}.topbar-title{display:none}.topbar-right{width:100%;justify-content:space-between}.topbar-right .workspace-tag{display:block;max-width:230px}.compact-tools .file-search{width:100%}.global-search{padding:0 16px 18px;gap:8px}.global-search input{font-size:12px}.management-table table{min-width:650px}.folder-count{margin-right:auto}.upload-disclosure .upload{top:51px}}

.signup-link{font-size:12px;color:#8493a7;margin-top:23px;line-height:1.8}.signup-link a{font-weight:600;margin-left:5px}.pending-member{display:flex;gap:15px;align-items:center;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line)}.pending-member>div{flex:1;min-width:150px}.pending-member small{display:block;font-size:10px;margin-top:7px}.pending-member select{padding:9px;border:1px solid var(--line);border-radius:6px;font:inherit;background:white}.pending-member .primary{font-size:11px;padding:10px 13px}.member-delete{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);text-align:right}.member-delete .delete-link{font-size:11px;font-weight:500}

.temporary-password{display:flex;gap:8px;margin-top:10px}.temporary-password input{min-width:0;flex:1;padding:9px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#f8faff}.temporary-hint{font-size:11px;margin-top:12px}

/* One menu, two layouts: fixed on desktop, slide-out drawer on mobile. */
.sidebar-heading{display:flex;align-items:center;gap:10px;flex-shrink:0}.sidebar-heading>.company-brand{flex:1;min-width:0}.menu-toggle,.menu-close,.menu-scrim,.mobile-topbar-title{display:none}
@media(max-width:850px){
  .signed-in .app-shell{margin-left:0}
  .signed-in .topbar{position:sticky;top:0;z-index:20;height:66px;padding:0 14px;gap:10px}
  .signed-in .topbar-title{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid #dde5ef;border-radius:8px;padding:0 11px;background:white;color:#344d6d;font-size:12px;cursor:pointer;flex-shrink:0}
  .hamburger{display:flex;flex-direction:column;gap:4px;width:17px}.hamburger i{display:block;height:2px;background:currentColor;border-radius:2px;width:100%}
  .mobile-topbar-title{display:block;font-size:13px;font-weight:650;color:#35506f;white-space:nowrap;min-width:0}
  .signed-in .topbar-right{width:auto;margin-left:auto;gap:10px;min-width:0}
  .signed-in .topbar-right .workspace-tag{display:block;max-width:132px;font-size:10px;padding:6px}
  .signed-in .logout{font-size:10px;min-height:44px;white-space:nowrap}
  .sidebar{display:flex;inset:0 auto 0 0;width:min(310px,86vw);height:100vh;height:100dvh;padding:22px 20px max(18px,env(safe-area-inset-bottom));z-index:60;transform:translateX(-100%);visibility:hidden;transition:transform .22s ease,visibility .22s;box-shadow:8px 0 30px #10233825}
  .mobile-menu-open .sidebar{transform:translateX(0);visibility:visible}
  .sidebar .company-brand{display:flex;padding:3px 0;justify-content:flex-start;gap:9px}
  .sidebar .company-symbol{width:32px;height:32px;flex-basis:32px}
  .sidebar .company-wordmark{display:block!important;font-size:18px;letter-spacing:-1.15px}
  .menu-close{display:grid;place-items:center;width:38px;height:40px;flex-shrink:0;border:1px solid #ffffff23;border-radius:8px;background:#ffffff08;color:#d8e3f1;font-size:27px;cursor:pointer}
  .sidebar .nav-label{display:block;margin:26px 12px 12px;font-size:11px}
  .sidebar nav{margin-top:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
  .workspace-tree>summary.nav-item{font-size:14px;padding:14px 12px;justify-content:flex-start;min-height:48px}
  .workspace-child{font-size:13px;min-height:44px;padding:10px 12px}
  .workspace-home{font-size:12px;min-height:44px}
  .sidebar .sidebar-bottom{display:flex;padding-top:15px;margin-top:12px}
  .sidebar .sidebar-utilities{margin-top:8px;padding-top:8px}
  .sidebar .sidebar-utilities .workspace-child{min-height:42px;font-size:12px;padding:7px 12px}
  .menu-scrim:not([hidden]){display:block;position:fixed;inset:0;z-index:50;background:#0b192a80;border:0;margin:0;padding:0;cursor:pointer}
  body.mobile-menu-open{overflow:hidden;overscroll-behavior:none}
  .mobile-management{display:none}
}
@media(max-width:480px){.mobile-topbar-title{display:none}.signed-in .topbar-right .workspace-tag{max-width:150px}}
@media(prefers-reduced-motion:reduce){.sidebar{transition:none}}