:root{--green:#247451;--ink:#263b34;--muted:#82918b;--line:#e6ebe7;--bg:#f6f8f5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px Manrope,Arial,sans-serif}button,input,select{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button{border:1px solid var(--line);border-radius:9px;padding:10px 15px;background:white;color:var(--ink)}button:hover{background:#edf4ed}button:focus-visible,a:focus-visible{outline:3px solid #9bc9ae}a{color:inherit;text-decoration:none}aside{position:fixed;inset:0 auto 0 0;width:248px;padding:28px 18px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:10}.brand{font-size:33px;color:var(--green);padding:0 15px;letter-spacing:-1.5px}.brand span{font-weight:400}.workspace{margin:28px 12px;font-weight:700}.workspace small{display:block;font-size:9px;letter-spacing:1.6px;color:var(--muted);margin-top:7px}.nav-label{font-size:10px;letter-spacing:1.5px;color:#9aa69f;padding:23px 15px 10px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:0;background:none;padding:12px 14px;margin:2px 0;font-size:12px}.nav-item.active{background:#eaf3ed;color:var(--green);font-weight:800}.nav-item i{font-style:normal;font-size:17px;width:20px}.aside-bottom{margin-top:auto}.cloud{padding:18px 12px;color:var(--green);font-size:11px}.cloud p{font-size:10px;color:var(--muted);line-height:1.8}.profile{display:flex;align-items:center;gap:10px;width:100%;padding:16px 4px 0;border:0;border-top:1px solid var(--line);border-radius:0;text-align:left;font-size:11px}.profile small{display:block;color:var(--muted);font-size:9px;margin-top:4px}.avatar{display:inline-grid;place-items:center;border-radius:50%;background:#e9e9dc;color:#6b7158;min-width:37px;height:37px;font-weight:800;font-size:12px}.small{min-width:32px;height:32px}.shell{margin-left:248px}header{height:83px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px;padding:0 38px}.search{display:flex;align-items:center;gap:12px;color:#7c8d83;font-size:25px;flex:1}.search input{border:0;outline:0;width:100%;max-width:500px;font-size:12px}.demo{font-size:10px;padding:6px 10px;border:1px solid #dfE7dd;border-radius:20px;color:#7b8b78}.icon{border:0;font-size:22px;padding:0}.mobile{display:none}main{padding:30px 38px;min-height:calc(100vh - 130px)}.crumb{font-size:11px;color:var(--muted);margin-bottom:22px;display:flex;gap:9px;align-items:center}.crumb button{padding:0;border:0;background:none;color:var(--muted);font-size:11px}.titlebar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:27px}h1{font-size:29px;letter-spacing:-1px;margin:0 0 8px;font-weight:800}p.sub{font-size:12px;color:var(--muted);margin:0}.actions{display:flex;gap:8px}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#185c3e}.welcome{display:flex;justify-content:space-between;background:#e9f1e9;padding:23px 26px;border:1px solid #dce8dc;border-radius:14px;margin-bottom:29px;position:relative;overflow:hidden}.welcome h2{font-size:19px;margin:0 0 7px}.welcome p{color:#6c8374;font-size:12px;margin:0;max-width:530px;line-height:1.8}.welcome .art{font-size:62px;transform:rotate(-12deg);color:#8bb89a;margin-right:30px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:25px 0 16px}.section-head h2{font-size:14px;margin:0}.section-head span{font-size:11px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.folder{text-align:left;border:1px solid var(--line);border-radius:12px;padding:19px;background:#fff;min-height:150px;transition:.2s}.folder:hover{border-color:#a8cbb2;transform:translateY(-2px);box-shadow:0 6px 15px #304d3910}.folder-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:21px}.folder-icon{width:41px;height:29px;background:#d4e8d8;border:1px solid #bbd8c3;border-radius:4px;position:relative;margin-top:7px}.folder-icon:before{content:'';position:absolute;top:-7px;left:-1px;width:19px;height:8px;background:inherit;border:1px solid #bbd8c3;border-bottom:0;border-radius:4px 4px 0 0}.folder:nth-child(3n+2) .folder-icon{background:#e4e7f2;border-color:#d3d7e8}.folder:nth-child(3n) .folder-icon{background:#f0e6cf;border-color:#e6d7b7}.folder strong{font-size:12px;display:block}.folder small{display:block;margin-top:8px;color:var(--muted);font-size:10px}.linked{font-size:9px;color:var(--green);background:#eef5ee;padding:4px 7px;border-radius:5px}.tablewrap{overflow:auto;background:white;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;text-align:left;white-space:nowrap}th{font-size:10px;color:var(--muted);font-weight:500;padding:14px 18px;background:#fcfdfb}td{padding:16px 18px;border-top:1px solid #edf0eb;font-size:11px}tr.file{cursor:pointer}tr.file:hover{background:#f6faf6}.filecell{display:flex;gap:12px;align-items:center}.fileicon{display:inline-grid;place-items:center;width:34px;height:40px;border-radius:6px;background:#eaf0f9;color:#5578af;font-size:9px;font-weight:800}.fileicon.pdf{background:#faeeea;color:#c2836b}.filecell strong{font-size:12px;display:block}.filecell small{display:block;margin-top:5px;color:var(--muted);font-size:10px}.tag{font-size:9px;padding:5px 8px;border-radius:5px;background:#edf5ed;color:#598065}.muted{color:var(--muted)}footer{padding:10px 38px 20px;font-size:10px;color:#9ca99e;display:flex;justify-content:space-between}.toolbar{display:flex;gap:8px}.toolbar select{background:white;border:1px solid var(--line);border-radius:7px;padding:7px;color:#728277;font-size:11px}.empty{padding:45px;text-align:center;color:var(--muted);line-height:2}.shade{position:fixed;inset:0;background:#1b302e38;z-index:20;display:flex;justify-content:flex-end}.panel{width:460px;max-width:100%;background:#fff;padding:30px;overflow:auto;box-shadow:-10px 0 60px #182b3212}.panel h2{font-size:22px;line-height:1.5;letter-spacing:-.6px}.close{float:right;border:0;font-size:22px;padding:0 5px}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin:25px 0}.tabs span{padding-bottom:12px;font-size:12px}.tabs span:first-child{border-bottom:2px solid var(--green);color:var(--green)}.docpreview{background:#f3f5ef;padding:25px;border-radius:10px}.paper{background:white;border:1px solid #e1e7dd;padding:25px 20px;min-height:195px;font-size:9px;line-height:1.8;color:#7c867d;box-shadow:0 4px 8px #20351e08}.paper h3{font-size:14px;color:#374d3d}.meta{display:grid;grid-template-columns:110px 1fr;font-size:11px;gap:13px;margin:25px 0}.check{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:9px;padding:12px;margin:8px 0;font-size:12px}.check input{accent-color:var(--green)}.panel label.field{display:block;margin:18px 0 6px;font-size:12px}.fieldinput{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:white}.note{font-size:11px;color:#8c957f;line-height:1.8;background:#f7f7ee;padding:13px;border-radius:8px;margin:15px 0}.panel .primary{width:100%;margin-top:15px}.panel h3{font-size:13px;margin-top:25px}.drop{border:1px dashed #abc9b2;border-radius:10px;text-align:center;padding:30px;background:#f7faf6;color:var(--green)}.drop input{max-width:100%;margin-top:15px}.matrix{font-size:12px}.matrix td,.matrix th{padding:15px}.yes{color:var(--green)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#254b38;color:white;padding:14px 25px;border-radius:10px;z-index:50;display:none;font-size:12px;max-width:90%}.statusline{padding:12px 0;color:var(--muted);font-size:11px}.role-banner{display:flex;gap:12px;align-items:center;background:#fff;padding:18px;border:1px solid var(--line);border-radius:10px;margin-bottom:20px}.role-banner select{padding:8px;border:1px solid var(--line);border-radius:6px}.secondary{margin-top:10px;width:100%}@media(min-width:1600px){main{max-width:1500px;margin:auto}}@media(max-width:1200px){.grid{grid-template-columns:repeat(3,1fr)}aside{width:220px}.shell{margin-left:220px}main{padding:25px}header{padding:0 25px}}@media(max-width:800px){aside{display:none}.shell{margin:0}.mobile{display:block;border:0;padding:0}header{height:65px;padding:0 18px;gap:14px}.demo{display:none}main{padding:22px 18px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.titlebar{align-items:flex-start;flex-wrap:wrap}h1{font-size:25px}.actions button{font-size:11px}.welcome{padding:20px}.welcome .art{display:none}.menu aside{display:flex;box-shadow:0 0 0 100vw #15281a55}.menu .mobile{position:fixed;left:230px;z-index:30;background:white;padding:8px}.folder{padding:16px;min-height:135px}footer{padding:15px 18px}footer span{display:none}.panel{padding:22px}}
/* Eco education brand palette */
:root{--green:#970c30;--ink:#392a30;--muted:#8c7b82;--line:#eee3e7;--bg:#faf7f8}
button:hover{background:#faedf1}button:focus-visible,a:focus-visible{outline-color:#d98ca2}.nav-item.active{background:#f8e8ee}.avatar{background:#f2dfe6;color:#8c2442}.welcome{background:linear-gradient(115deg,#58051d,#940c32 70%,#b21a40);border-color:#860e2d;color:#fff}.welcome p{color:#f0ccd6}.welcome .art{color:#e8a2b6}.primary:hover{background:#740b28}.folder-icon,.folder:nth-child(3n+2) .folder-icon,.folder:nth-child(3n) .folder-icon{background:#f1d4df;border-color:#dba5b8}.folder-icon:before{border-color:#dba5b8}.folder:nth-child(3n+2) .folder-icon{background:#eadde5;border-color:#cdb6c6}.folder:nth-child(3n) .folder-icon{background:#f5e6e9;border-color:#dfc0ca}.folder:hover{border-color:#d598af;box-shadow:0 6px 15px #5a0b2010}.linked,.tag{background:#faeaf0;color:#9c3153}.search{color:#947a85}.demo{color:#986979;border-color:#ead6de}th{background:#fdfafb}td{border-color:#f3eaed}tr.file:hover{background:#fff5f8}.docpreview{background:#f7eff2}.paper{border-color:#e8dce1;color:#927e87}.paper h3{color:#5e3041}.note{color:#8c6876;background:#fbf1f4}.drop{background:#fff7fa;border-color:#d89cb1}#toast{background:#740a28}.shade{background:#32101e45}.folder-picker{max-height:360px;overflow:auto;margin:15px 0;border:1px solid var(--line);border-radius:9px;padding:9px}.folder-group{font-size:10px;letter-spacing:.8px;color:var(--muted);padding:12px 7px 3px}.folder-picker .check{margin:5px 0;font-size:11px;padding:10px}.folder-picker .check:has(input:checked){border-color:#d89cb1;background:#fff3f7}.folder-picker small{display:block;color:var(--muted);font-size:9px;margin-top:3px}.selection-count{color:var(--green);font-size:12px;font-weight:700;margin:12px 0}.folder-picker input{accent-color:#970c30}.role-banner{flex-wrap:wrap}

.folder-branch{border-bottom:1px solid var(--line);padding:6px 0}.folder-branch summary{cursor:pointer;padding:13px 8px;font-weight:700;font-size:12px}.folder-children{padding:0 6px 10px 18px}.folder-children .check{font-size:11px}.folder-picker{max-height:45vh}.folder-branch[open]>summary{color:var(--green)}

/* EcoFile preview-v1 */
.preview-panel{width:min(1120px,96vw)!important;max-width:1120px!important}.preview-panel h2{padding-right:35px;overflow-wrap:anywhere}.preview-actions{display:flex;gap:16px;align-items:center;margin:16px 0;flex-wrap:wrap}.file-preview{display:block;width:100%;height:68vh;border:1px solid #ded4d6;border-radius:10px;background:#eee}.image-preview{max-height:68vh;overflow:auto;text-align:center}.image-preview img{max-width:100%;height:auto}@media(max-width:640px){.file-preview{height:65vh}.preview-panel{padding:18px!important}}

/* ECOFILE_NAVIGATION_V1 */
aside{overflow-y:auto;overscroll-behavior:contain}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;line-height:1.6}
.crumb button{white-space:normal;text-align:left}
.crumb .eco-folder-up{margin-left:12px}