:root{--bg:#f6f7f5;--surface:#fff;--surface-muted:#f9faf8;--line:#e0e5e1;--line-strong:#cfd8d2;--text:#151b1f;--muted:#657174;--faint:#899294;--black:#11181c;--green:#24a878;--green-soft:#e8f6ef;--red:#ba3d45;--red-soft:#fff0f1;--yellow-soft:#fff7df;--yellow-text:#7b5c00;--shadow-sm:0 1px 2px #11181c0d;--shadow-md:0 16px 40px #11181c1f}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Pretendard,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px}button,input,select{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed;opacity:.48}.loading-screen,.auth-shell,.app-shell{min-height:100vh;color:var(--text)}.loading-screen{background:var(--bg);color:var(--muted);align-content:center;place-items:center;gap:10px;font-size:14px;font-weight:700;display:grid}.auth-shell{background:var(--bg);grid-template-rows:auto 1fr;gap:14px;padding:18px;display:grid}.auth-shell-brand{border:1px solid var(--line);background:var(--surface);width:fit-content;box-shadow:var(--shadow-sm);border-radius:8px;justify-self:center;align-items:center;gap:9px;padding:8px 12px;display:flex}.auth-panel{border:1px solid var(--line);background:var(--surface);width:min(480px,100%);box-shadow:var(--shadow-md);border-radius:8px;place-self:center;gap:16px;padding:26px;display:grid}.auth-badge{background:var(--green-soft);color:#177957;border-radius:999px;align-items:center;gap:7px;width:fit-content;min-height:30px;padding:0 10px;font-size:12px;font-weight:800;display:inline-flex}.auth-panel h1{color:var(--text);margin:0;font-size:27px;line-height:1.18}.auth-panel p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.auth-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.storage-login-form{gap:12px;display:grid}.auth-field{color:var(--muted);gap:7px;font-size:12px;font-weight:800;display:grid}.form-error{background:var(--red-soft);min-height:36px;color:var(--red);border:1px solid #ba3d4538;border-radius:8px;align-items:center;margin:0;padding:9px 11px;font-size:13px;font-weight:700;line-height:1.35;display:flex}.app-shell{background:var(--bg);grid-template-columns:248px minmax(0,1fr);gap:14px;padding:18px;display:grid}.sidebar,.topbar,.drive-panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:8px}.sidebar{flex-direction:column;gap:18px;min-height:calc(100vh - 36px);padding:14px;display:flex}.brand,.brand-lockup{align-items:center;gap:9px;min-width:0;display:flex}.brand-mark{border:1px solid var(--line-strong);background:var(--surface);width:36px;height:36px;color:var(--black);border-radius:8px;flex:none;place-items:center;display:grid}.brand-copy{gap:2px;min-width:0;line-height:1;display:grid}.brand-copy strong{color:var(--text);font-size:15px;font-weight:800}.brand-copy small{color:var(--muted);font-size:11px;font-weight:700}.side-group{gap:6px;display:grid}.side-button,.account-action{min-height:40px;color:var(--muted);text-align:left;background:0 0;border-radius:8px;align-items:center;gap:9px;padding:0 10px;font-size:13px;font-weight:700;text-decoration:none;display:flex}.side-button.active{background:var(--black);color:#fff}.side-button:hover:not(.active),.account-action:hover{background:var(--surface-muted);color:var(--text)}.token-field{color:var(--muted);gap:7px;font-size:12px;font-weight:700;display:grid}.token-field input,.auth-field input,.field input,.field select{border:1px solid var(--line-strong);width:100%;min-width:0;height:40px;color:var(--text);background:#fcfdfb;border-radius:8px;outline:0;padding:0 11px;font-size:13px;font-weight:600}.token-field input:focus,.auth-field input:focus,.field input:focus,.field select:focus,.search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #24a8781f}.quota{border:1px solid var(--line);background:var(--surface-muted);color:var(--muted);border-radius:8px;gap:9px;margin-top:auto;padding:12px;font-size:12px;font-weight:700;display:grid}.meter{background:#dce3df;border-radius:999px;height:8px;overflow:hidden}.meter>span{border-radius:inherit;background:var(--green);height:100%;display:block}.main{grid-template-rows:auto minmax(0,1fr);gap:14px;min-width:0;display:grid}.topbar{z-index:2;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;min-height:60px;padding:10px 12px;display:grid;position:sticky;top:18px}.crumbs{flex-wrap:wrap;align-items:center;gap:6px;min-width:0;display:flex}.crumb{max-width:220px;min-height:36px;color:var(--text);text-overflow:ellipsis;white-space:nowrap;background:0 0;border-radius:8px;align-items:center;gap:7px;padding:0 10px;font-size:13px;font-weight:700;display:inline-flex;overflow:hidden}.crumb:hover{background:var(--surface-muted)}.toolbar{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.search{border:1px solid var(--line);background:var(--surface);min-width:248px;height:40px;color:var(--muted);border-radius:8px;align-items:center;gap:8px;padding:0 11px;display:flex}.search input{width:100%;min-width:0;color:var(--text);background:0 0;border:0;outline:0;font-size:13px;font-weight:600}.search input::placeholder{color:var(--faint)}.icon-button,.primary-button,.secondary-button,.soft-button,.danger-button{white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-height:40px;padding:0 13px;font-size:13px;font-weight:800;text-decoration:none;display:inline-flex}.icon-button{border:1px solid var(--line);background:var(--surface);width:40px;color:var(--text);padding:0}.icon-button:hover,.secondary-button:hover,.soft-button:hover{border-color:var(--line-strong);background:var(--surface-muted)}.primary-button{background:var(--black);color:#fff}.primary-button:hover{background:#263238}.secondary-button,.soft-button{border:1px solid var(--line);background:var(--surface);color:var(--text)}.danger-button{background:var(--red-soft);width:40px;color:var(--red);border:1px solid #ead4d7;padding:0}.content{min-width:0}.drive-panel{overflow:hidden}.panel-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:58px;padding:0 16px;display:flex}.panel-title{gap:3px;display:grid}.panel-title strong{color:var(--text);font-size:15px;font-weight:800}.panel-title span{color:var(--muted);font-size:12px;font-weight:700}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:920px}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;height:56px;padding:0 16px;font-size:14px}th{background:var(--surface-muted);height:42px;color:var(--muted);text-transform:uppercase;letter-spacing:0;font-size:11px;font-weight:800}tr:last-child td{border-bottom:0}.name-cell{align-items:center;gap:10px;min-width:0;display:flex}.node-name{max-width:360px;color:var(--text);text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border-radius:6px;padding:6px 4px;font-weight:700;overflow:hidden}.node-name:hover{background:var(--surface-muted)}.status{background:var(--green-soft);color:#177957;border-radius:999px;justify-content:center;align-items:center;gap:6px;min-height:28px;padding:0 10px;font-size:12px;font-weight:800;display:inline-flex}.status.pending{background:var(--yellow-soft);color:var(--yellow-text)}.visibility-badge{border:1px solid var(--line);background:var(--surface-muted);min-height:28px;color:var(--muted);border-radius:999px;justify-content:center;align-items:center;padding:0 10px;font-size:12px;font-weight:800;display:inline-flex}.visibility-badge.internal{background:var(--green-soft);color:#177957;border-color:#24a87838}.visibility-badge.organization{color:#28529c;background:#eef4ff;border-color:#3868c133}.visibility-badge.external{background:var(--red-soft);color:var(--red);border-color:#ba3d452e}.row-actions{justify-content:flex-end;align-items:center;gap:7px;display:flex}.empty{min-height:280px;color:var(--muted);background:linear-gradient(180deg, var(--surface), var(--surface-muted));text-align:center;place-items:center;font-weight:700;display:grid}.dialog-backdrop{z-index:5;background:#11181c61;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.dialog{border:1px solid var(--line);background:var(--surface);width:min(440px,100%);box-shadow:var(--shadow-md);border-radius:8px;gap:16px;padding:22px;display:grid}.share-dialog{width:min(720px,100%);max-height:min(88vh,820px);overflow:auto}.file-preview-dialog{grid-template-rows:auto minmax(220px,1fr) auto auto;width:min(980px,100%);max-height:min(92vh,860px)}.preview-head{justify-content:space-between;align-items:start;gap:14px;display:flex}.preview-stage{border:1px solid var(--line);background:#f3f6f4;border-radius:8px;place-items:center;min-height:280px;max-height:64vh;display:grid;overflow:hidden}.preview-stage img{object-fit:contain;max-width:100%;max-height:64vh;display:block}.preview-placeholder{min-height:240px;color:var(--muted);text-align:center;align-content:center;place-items:center;gap:10px;padding:24px;font-size:13px;font-weight:800;display:grid}.dialog-heading{gap:3px;display:grid}.dialog-heading span{color:var(--muted);font-size:13px;font-weight:700}.share-section{border:1px solid var(--line);background:var(--surface-muted);border-radius:8px;gap:11px;padding:14px;display:grid}.share-section-title{color:var(--text);align-items:center;gap:8px;font-size:13px;font-weight:900;display:flex}.share-help{color:var(--muted);margin:0;font-size:12px;font-weight:700;line-height:1.5}.share-grid{grid-template-columns:minmax(0,1fr) 160px;gap:10px;display:grid}.field span{color:var(--muted);font-size:12px;font-weight:800}.target-list{gap:6px;display:grid}.target-list button{border:1px solid var(--line);background:var(--surface);min-height:42px;color:var(--text);text-align:left;border-radius:8px;gap:3px;padding:8px 10px;display:grid}.target-list button.selected{border-color:var(--green);box-shadow:0 0 0 3px #24a8781f}.target-list strong{font-size:13px}.target-list span,.share-list-item span{color:var(--muted);font-size:12px;font-weight:700}.copy-row{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.copy-row input{border:1px solid var(--line-strong);background:var(--surface);width:100%;min-width:0;height:40px;color:var(--text);border-radius:8px;padding:0 11px;font-size:13px;font-weight:700}.inline-actions{flex-wrap:wrap;gap:8px;display:flex}.share-list{gap:7px;display:grid}.share-list-item{border:1px solid var(--line);background:var(--surface);border-radius:8px;justify-content:space-between;align-items:center;gap:10px;min-height:46px;padding:8px 10px;display:flex}.share-list-item div{gap:2px;min-width:0;display:grid}.share-list-item strong{text-overflow:ellipsis;white-space:nowrap;max-width:420px;color:var(--text);font-size:13px;overflow:hidden}.dialog h2{color:var(--text);margin:0;font-size:20px;line-height:1.25}.field{gap:7px;display:grid}.field label{color:var(--muted);font-size:12px;font-weight:800}.dialog-actions{justify-content:flex-end;gap:8px;display:flex}.notice{color:#8a5d00;background:#fffbeb;border:1px solid #f1d8a5;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;min-height:42px;margin-bottom:14px;padding:0 13px;font-size:13px;font-weight:700;display:flex}.assistant-panel{z-index:6;border:1px solid var(--line);background:var(--surface);width:min(430px,100vw - 36px);box-shadow:var(--shadow-md);border-radius:8px;grid-template-rows:auto auto auto minmax(0,1fr) auto auto;gap:12px;padding:14px;display:grid;position:fixed;top:18px;bottom:18px;right:18px}.assistant-head,.assistant-title,.assistant-actions,.assistant-compose,.assistant-upload,.assistant-key-status{align-items:center;display:flex}.assistant-head{justify-content:space-between;gap:12px}.assistant-title{gap:10px;min-width:0}.assistant-title>div{gap:3px;min-width:0;display:grid}.assistant-title strong{font-size:15px;font-weight:900}.assistant-title small{color:var(--muted);font-size:12px;font-weight:800}.assistant-icon{background:var(--green-soft);color:#177957;border:1px solid #24a87838;border-radius:8px;place-items:center;width:36px;height:36px;display:grid}.assistant-key{border:1px solid var(--line);background:var(--surface-muted);border-radius:8px;gap:9px;padding:12px;display:grid}.assistant-key-status{color:var(--muted);gap:7px;font-size:12px;font-weight:800}.assistant-key input,.assistant-compose input{border:1px solid var(--line-strong);background:var(--surface);width:100%;min-width:0;height:40px;color:var(--text);border-radius:8px;outline:0;padding:0 11px;font-size:13px;font-weight:700}.assistant-key input:focus,.assistant-compose input:focus{border-color:var(--green);box-shadow:0 0 0 3px #24a8781f}.assistant-actions{flex-wrap:wrap;gap:8px}.assistant-notice{color:#8a5d00;background:#fffbeb;border:1px solid #f1d8a5;border-radius:8px;align-items:center;min-height:38px;padding:8px 10px;font-size:12px;font-weight:800;line-height:1.45;display:flex}.assistant-messages{align-content:start;gap:10px;min-height:0;padding:4px;display:grid;overflow:auto}.assistant-empty{border:1px dashed var(--line-strong);background:var(--surface-muted);min-height:180px;color:var(--muted);text-align:center;border-radius:8px;align-content:center;gap:8px;padding:18px;display:grid}.assistant-empty strong{color:var(--text);font-size:14px;line-height:1.5}.assistant-empty span{font-size:12px;font-weight:700;line-height:1.5}.assistant-message{border:1px solid var(--line);background:var(--surface-muted);border-radius:8px;width:fit-content;max-width:92%;padding:10px 12px}.assistant-message.user{background:var(--black);color:#fff;justify-self:end}.assistant-message.assistant{justify-self:start}.assistant-message p{white-space:pre-wrap;margin:0;font-size:13px;font-weight:650;line-height:1.55}.assistant-sources,.assistant-source-strip{flex-wrap:wrap;gap:6px;display:flex}.assistant-sources{margin-top:9px}.assistant-sources span,.assistant-source-strip span{border:1px solid var(--line);background:var(--surface);max-width:180px;min-height:24px;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;border-radius:999px;align-items:center;padding:0 8px;font-size:11px;font-weight:800;display:inline-flex;overflow:hidden}.assistant-source-strip{padding:0 4px}.assistant-compose{gap:8px}.assistant-upload{border:1px solid var(--line);background:var(--surface-muted);min-height:40px;color:var(--text);border-radius:8px;justify-content:center;gap:8px;font-size:13px;font-weight:900}.assistant-upload:hover{border-color:var(--line-strong);background:var(--surface)}@media (max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr auto;align-items:center;min-height:auto;display:grid}.side-group,.token-field,.account-action,.quota{display:none}.topbar{grid-template-columns:1fr;position:static}.toolbar{justify-content:flex-start}}@media (max-width:680px){.auth-shell,.app-shell{padding:12px}.auth-panel{padding:20px}.auth-panel h1{font-size:23px}.toolbar,.auth-actions,.dialog-actions{flex-direction:column;align-items:stretch}.search,.primary-button,.secondary-button,.soft-button{width:100%}.search{min-width:0}.share-grid,.copy-row{grid-template-columns:1fr}.assistant-panel{width:auto;inset:10px}.inline-actions,.share-list-item{flex-direction:column;align-items:stretch}}