:root{--blue:#0065B2;--green:#00B039;--yellow:#FEBE00;--dark:#4D4D4D;--ink:#252A2E;--muted:#6F7A81;--soft:#F5F8FA;--line:#E4EBEF;--white:#fff;--danger:#D84343;--shadow:0 14px 38px rgba(37,42,46,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.hidden{display:none!important}.tri-line{position:fixed;top:0;left:0;right:0;height:5px;z-index:100;background:linear-gradient(90deg,var(--blue) 0 33.33%,var(--green) 33.33% 66.66%,var(--yellow) 66.66% 100%)}.tri-line.bottom{top:auto;bottom:0}.app-bottom{position:static;margin-top:30px}
/* auth */.auth-page{min-height:100vh;background:radial-gradient(circle at 10% 20%,rgba(0,176,57,.07),transparent 25rem),radial-gradient(circle at 90% 80%,rgba(0,101,178,.08),transparent 28rem),#fff;overflow-x:hidden}.auth-wrap,.install-wrap{min-height:100vh;display:grid;place-items:center;padding:32px 20px}.auth-card{position:relative;width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 36px;box-shadow:0 22px 60px rgba(37,42,46,.09);z-index:2}.install-card{width:min(560px,100%)}.auth-logo{display:block;width:280px;max-width:100%;height:auto;margin:0 auto 26px}.auth-copy{text-align:center;margin-bottom:24px}.auth-copy h1{margin:0 0 8px;font-size:28px;color:var(--dark)}.auth-copy p{margin:0;color:var(--muted);font-size:14px}.form-stack{display:grid;gap:15px}.form-stack label{display:grid;gap:7px;font-size:13px;font-weight:700;color:var(--dark)}input,textarea,select{width:100%;border:1px solid #D8E1E5;border-radius:10px;background:#fff;color:var(--ink);outline:none;padding:12px 13px;transition:.18s}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,101,178,.08)}textarea{resize:vertical}.password-wrap{position:relative}.password-wrap input{padding-right:46px}.icon-btn{border:0;background:none;cursor:pointer}.eye{position:absolute;right:7px;top:50%;transform:translateY(-50%);color:var(--blue);font-size:18px}.btn{border:0;border-radius:9px;min-height:42px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;cursor:pointer;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(0,176,57,.16)}.btn.soft{background:#fff;border:1px solid var(--line);color:var(--blue)}.btn.full{width:100%}.btn.tiny{min-height:31px;padding:0 10px;font-size:11px}.alert{padding:11px 13px;border-radius:9px;font-size:13px;margin-bottom:14px}.alert.danger{background:#FFF2F1;color:#A93232;border-left:4px solid var(--danger)}.alert.success{background:#EFFAF3;color:#197442;border-left:4px solid var(--green)}.form-grid.two{display:grid;grid-template-columns:1fr 110px;gap:12px}.check{display:flex!important;grid-template-columns:none!important;align-items:center;gap:9px!important;font-weight:600!important}.check input{width:16px;height:16px;accent-color:var(--green);box-shadow:none}.auth-art{position:fixed;pointer-events:none;opacity:.9}.art-a{width:220px;height:220px;border:35px solid var(--green);border-radius:52% 48% 63% 37%;left:-100px;top:12%}.art-b{width:250px;height:250px;background:var(--blue);border-radius:44% 56% 35% 65%;right:-150px;bottom:6%}.art-c{width:76px;height:76px;background:var(--yellow);border-radius:50%;right:13%;top:13%}.login-ok{position:fixed;inset:0;background:rgba(255,255,255,.94);z-index:999;display:grid;place-items:center;align-content:center;gap:16px;font-size:18px;color:var(--dark);font-weight:800}.login-spinner{width:84px;height:84px;position:relative}.login-spinner i{position:absolute;inset:0;border-radius:50%;border:7px solid transparent;animation:spin .8s linear infinite}.login-spinner i:nth-child(1){border-top-color:var(--green)}.login-spinner i:nth-child(2){inset:9px;border-right-color:var(--blue);animation-direction:reverse}.login-spinner i:nth-child(3){inset:18px;border-bottom-color:var(--yellow)}@keyframes spin{to{transform:rotate(360deg)}}
/* top */.app-page{background:#fff;min-height:100vh}.topbar{height:82px;padding:12px 24px 10px;display:grid;grid-template-columns:310px 1fr auto;align-items:center;gap:20px;background:#fff;position:sticky;top:5px;z-index:80}.brand img{width:280px;max-height:56px;object-fit:contain}.topnav{display:flex;justify-content:center;gap:5px;flex-wrap:wrap}.topnav a{display:flex;align-items:center;gap:7px;padding:10px 12px;border-radius:9px;color:#667078;font-size:13px;font-weight:800}.topnav a span{color:var(--blue);font-size:16px}.topnav a:hover,.topnav a.active{background:var(--soft);color:var(--dark)}.topnav a.active{box-shadow:inset 0 -2px 0 var(--green)}.user-zone{display:flex;align-items:center;gap:12px}.user-name{display:grid;text-align:right;line-height:1.05}.user-name small{font-size:10px;color:#929BA0}.user-name strong{font-size:13px;color:var(--dark);max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout{padding:9px 12px;border-radius:8px;border:1px solid var(--line);color:var(--danger);font-size:12px;font-weight:800}.header-line{height:3px;background:linear-gradient(90deg,var(--green) 0 33.33%,var(--yellow) 33.33% 66.66%,var(--blue) 66.66% 100%);opacity:.9}
/* layout */.app-shell{display:grid;grid-template-columns:330px minmax(0,1fr);gap:0;min-height:calc(100vh - 90px)}.app-shell.no-sidebar{grid-template-columns:1fr}.side-panel{padding:20px 16px 24px 20px;border-right:1px solid var(--line);background:#FBFCFD;display:flex;flex-direction:column;gap:14px;position:sticky;top:90px;height:calc(100vh - 90px);overflow:hidden}.side-card{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 7px 20px rgba(37,42,46,.035)}.task-card{padding:14px;flex:0 0 auto;max-height:42%;overflow:auto}.chat-card{padding:14px;min-height:0;flex:1;display:flex;flex-direction:column;position:relative}.side-title{display:flex;align-items:center;gap:8px;margin-bottom:12px}.side-title h2{font-size:14px;margin:0;color:var(--dark);flex:1}.side-title small{font-size:10px;color:#9AA2A6}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.dot.green{background:var(--green)}.dot.blue{background:var(--blue)}.dot.yellow{background:var(--yellow)}.mini-add{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--green);font-weight:900;cursor:pointer}.task-create{padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:8px}.task-create input{padding:8px 9px;font-size:12px}.task-row{display:flex;gap:7px;margin-top:7px}.task-row input{min-width:0}.task-list{display:grid;gap:4px}.task-item{width:100%;display:grid;grid-template-columns:18px 1fr;gap:8px;text-align:left;border:0;background:#fff;padding:7px 4px;cursor:pointer;border-radius:8px}.task-item:hover{background:var(--soft)}.task-item i{width:15px;height:15px;border:2px solid #C7D2D7;border-radius:5px;margin-top:2px}.task-item:hover i{border-color:var(--green);background:rgba(0,176,57,.08)}.task-item span{display:grid;min-width:0}.task-item strong{font-size:11px;color:var(--dark);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-item small{font-size:9px;color:#9AA2A6;margin-top:2px}.side-empty{font-size:11px;color:#9AA2A6;padding:8px 2px}.skeleton{height:28px;background:linear-gradient(90deg,#f2f4f5,#fafbfb,#f2f4f5);border-radius:8px}.skeleton.short{width:78%}.chat-list{flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px;padding:3px 2px 10px;min-height:120px}.chat-msg{max-width:92%}.chat-msg.mine{align-self:flex-end}.chat-meta{display:flex;gap:6px;align-items:center;font-size:8px;color:#A0A8AC;margin:0 4px 3px}.chat-meta strong{font-size:9px;color:#6F777B}.chat-msg.mine .chat-meta{justify-content:flex-end}.bubble{background:#F3F6F8;border-radius:10px 10px 10px 3px;padding:7px 9px;font-size:11px;line-height:1.35;word-break:break-word}.chat-msg.mine .bubble{background:#ECF8F0;border-radius:10px 10px 3px 10px}.chat-file{color:var(--blue);font-weight:800;text-decoration:underline}.chat-form{position:relative;display:grid;grid-template-columns:1fr 32px;gap:6px;border-top:1px solid var(--line);padding-top:9px}.chat-form textarea{grid-column:1/2;min-height:54px;padding:8px 9px;font-size:11px}.send-btn{grid-column:2;grid-row:2;width:32px;height:32px;align-self:end;border:0;border-radius:9px;background:var(--blue);color:#fff;cursor:pointer}.chat-tools{grid-column:1/3;display:flex;align-items:center;gap:6px;font-size:9px;color:#9AA2A6;position:relative}.emoji-btn{border:0;background:none;font-size:18px;cursor:pointer;padding:0}.emoji-pop{position:absolute;bottom:24px;left:0;width:180px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;gap:2px;z-index:10}.emoji-pop button{border:0;background:#fff;font-size:17px;padding:4px;cursor:pointer}.slash-results{position:absolute;left:12px;right:12px;bottom:94px;max-height:170px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:5px;z-index:9}.slash-results button{display:flex;align-items:center;gap:7px;width:100%;border:0;background:#fff;text-align:left;padding:7px;border-radius:7px;font-size:10px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.slash-results button:hover{background:var(--soft)}.main-content{padding:32px 34px;min-width:0;max-width:1500px;width:100%;margin:0 auto}
/* common content */.eyebrow{margin:0 0 7px;color:var(--blue);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}.page-head h1{font-size:34px;letter-spacing:-.03em;margin:0 0 6px;color:var(--dark)}.page-head p{margin:0;color:var(--muted);font-size:13px}.head-actions{display:flex;align-items:center;gap:8px}.welcome{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;min-height:250px;border:1px solid var(--line);border-radius:21px;padding:32px 38px;overflow:hidden;background:radial-gradient(circle at 92% 12%,rgba(254,190,0,.10),transparent 14rem),#fff;box-shadow:var(--shadow)}.welcome h1{font-size:38px;color:var(--dark);margin:0 0 10px;letter-spacing:-.035em}.welcome p:last-child{color:var(--muted);font-size:14px;max-width:600px;margin:0}.welcome-art{height:190px;display:grid;place-items:center}.welcome-art svg{width:100%;max-width:320px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.quick-card{border:1px solid var(--line);border-radius:14px;padding:18px;display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;background:#fff}.qicon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:21px;background:var(--soft)}.quick-card.blue .qicon{color:var(--blue);background:rgba(0,101,178,.08)}.quick-card.green .qicon{color:var(--green);background:rgba(0,176,57,.08)}.quick-card.yellow .qicon{color:#9F7800;background:rgba(254,190,0,.14)}.quick-card.dark .qicon{color:var(--dark)}.quick-card div{display:grid}.quick-card strong{font-size:13px;color:var(--dark)}.quick-card small{font-size:10px;color:#9AA2A6;margin-top:3px}.quick-card b{color:#A5AEB2}.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;padding:22px 4px;border-top:1px solid var(--line)}.info-strip>div{display:grid;grid-template-columns:12px 1fr;column-gap:8px}.info-strip strong{font-size:12px;color:var(--dark)}.info-strip p{grid-column:2;margin:4px 0 0;color:#899297;font-size:11px;line-height:1.5}.breadcrumb{display:flex;align-items:center;gap:8px;margin:-10px 0 20px;font-size:11px;color:#98A1A6}.breadcrumb a{color:var(--blue);font-weight:800}.breadcrumb strong{color:#70787D}.perm-link{margin-left:auto!important}.folder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.folder-card{display:grid;grid-template-columns:52px 1fr auto;gap:13px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:15px;background:#fff;transition:.18s}.folder-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#D5E1E6}.folder-icon{width:50px;height:38px;background:rgba(254,190,0,.18);border-radius:7px;position:relative}.folder-icon:before{content:"";position:absolute;width:22px;height:8px;border-radius:5px 5px 0 0;background:var(--yellow);top:-5px;left:4px}.folder-icon i{position:absolute;left:5px;right:5px;bottom:7px;height:3px;background:linear-gradient(90deg,var(--green) 0 33%,var(--blue) 33% 66%,var(--yellow) 66%)}.folder-card div{display:grid;min-width:0}.folder-card strong{font-size:12px;color:var(--dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-card small{font-size:9px;color:#9AA2A6;margin-top:4px}.folder-card>span:last-child{color:#A8B0B4}.empty-box{border:1px dashed #D9E2E6;border-radius:14px;padding:28px;text-align:center;color:#8A9499;display:grid;place-items:center;gap:6px}.empty-box.wide{grid-column:1/-1}.empty-box strong{font-size:12px;color:#6F787D}.empty-box span{font-size:10px}.empty-ill{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,rgba(0,176,57,.12),rgba(0,101,178,.10));color:var(--blue);font-size:23px}.files-section{margin-top:28px}.section-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}.section-bar h2{font-size:16px;color:var(--dark);margin:0}.section-bar small{font-size:10px;color:#9AA2A6}.file-table{border:1px solid var(--line);border-radius:14px;overflow:hidden}.file-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:11px 13px;border-bottom:1px solid var(--line);background:#fff}.file-row:last-child{border-bottom:0}.file-main{display:flex;align-items:center;gap:11px;min-width:0;flex:1}.file-main>span:last-child{display:grid;min-width:0}.file-main strong{font-size:11px;color:var(--dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-main small{font-size:9px;color:#9AA2A6;margin-top:3px}.file-badge{min-width:46px;padding:5px 7px;border-radius:6px;color:#fff;font-size:9px;text-align:center;font-weight:900;letter-spacing:.04em}.file-badge.doc{background:#2877C7}.file-badge.pdf{background:#D94444}.file-badge.xls{background:#26945B}.file-badge.ppt{background:#D7862D}.file-badge.zip{background:#7B61A8}.file-badge.img{background:#00A37A}.file-badge.txt{background:#687983}.file-badge.file{background:#62748A}.file-badge.mini{min-width:33px;padding:3px 4px;font-size:7px}.file-actions{display:flex;align-items:center;gap:6px}.file-actions a{font-size:10px;font-weight:800;color:var(--blue);padding:6px 8px;border-radius:6px}.file-actions a:hover{background:var(--soft)}.empty-line{padding:24px;text-align:center;font-size:11px;color:#98A1A6}.album-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.album-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.18s}.album-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.album-cover{aspect-ratio:4/3;background:var(--soft);position:relative;overflow:hidden}.album-cover img{width:100%;height:100%;object-fit:cover}.album-cover span{position:absolute;bottom:8px;right:8px;background:rgba(37,42,46,.72);color:#fff;border-radius:999px;padding:5px 8px;font-size:9px}.album-placeholder{width:100%;height:100%;display:grid;place-items:center;color:var(--green);font-size:42px;background:radial-gradient(circle,rgba(0,176,57,.10),transparent 60%)}.album-meta{padding:12px;display:grid}.album-meta strong{font-size:12px;color:var(--dark)}.album-meta small{font-size:9px;color:#9AA2A6;margin-top:4px}.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.photo-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.photo-thumb{display:block;aspect-ratio:4/3;background:var(--soft);overflow:hidden}.photo-thumb img{width:100%;height:100%;object-fit:cover;transition:.2s}.photo-thumb:hover img{transform:scale(1.025)}.photo-card>div{padding:9px;display:grid;gap:6px}.photo-card strong{font-size:10px;color:var(--dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.photo-card span{display:flex;gap:10px}.photo-card span a{font-size:9px;color:var(--blue);font-weight:800}.settings-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:16px}.panel{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fff}.panel h2{margin:0 0 16px;font-size:15px;color:var(--dark)}.permission-list{display:grid}.permission-row{display:grid;grid-template-columns:minmax(140px,1fr) auto auto auto auto auto;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}.permission-row>div{display:grid}.permission-row strong{font-size:11px}.permission-row small{font-size:9px;color:#9AA2A6}.permission-row label{font-size:9px;color:#69747A}.permission-row input[type=checkbox]{width:13px;height:13px;accent-color:var(--green)}.link-danger{border:0;background:none;color:var(--danger);font-size:9px;font-weight:800;cursor:pointer}.topic-list{display:grid;gap:8px}.topic-row{display:grid;grid-template-columns:42px 1fr auto 20px;align-items:center;gap:12px;border:1px solid var(--line);border-radius:13px;padding:13px 15px;background:#fff}.topic-row:hover{box-shadow:var(--shadow)}.topic-icon{width:39px;height:39px;border-radius:11px;display:grid;place-items:center;background:rgba(0,101,178,.08);color:var(--blue);font-weight:900}.topic-row>div{display:grid}.topic-row strong{font-size:12px;color:var(--dark)}.topic-row small{font-size:9px;color:#9AA2A6;margin-top:4px}.reply-pill{font-size:9px;padding:5px 8px;border-radius:999px;background:#F3F6F8;color:#7B858A}.topic-detail{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}.topic-detail h1{font-size:25px;color:var(--dark);margin:18px 0 12px}.topic-author{display:flex;align-items:center;gap:10px}.topic-author>span,.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--green),var(--blue));color:#fff;font-weight:900}.topic-author>div{display:grid}.topic-author strong{font-size:11px}.topic-author small{font-size:9px;color:#9AA2A6}.topic-author.small>span{width:30px;height:30px;font-size:10px}.prose{font-size:13px;line-height:1.65;color:#596369}.replies{margin-top:18px}.replies h2{font-size:15px;color:var(--dark)}.reply{border-top:1px solid var(--line);padding:16px 5px}.reply .prose{margin:10px 0 0 40px}.reply-form{display:grid;gap:9px;margin-top:10px}.reply-form .btn{justify-self:end}.user-table{border:1px solid var(--line);border-radius:14px;overflow:hidden}.user-row{display:grid;grid-template-columns:42px 1fr auto auto auto;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}.user-row:last-child{border-bottom:0}.user-row>div{display:grid}.user-row strong{font-size:11px}.user-row small{font-size:9px;color:#9AA2A6}.role-pill,.status{font-size:9px;padding:5px 8px;border-radius:999px}.role-pill{background:#F3F6F8;color:#677278}.status.on{background:#EAF8EF;color:#198049}.status.off{background:#FFF0F0;color:#B13B3B}.modal{position:fixed;inset:0;background:rgba(37,42,46,.34);display:grid;place-items:center;padding:20px;z-index:200}.modal-card{position:relative;width:min(430px,100%);background:#fff;border-radius:16px;padding:24px;box-shadow:0 26px 80px rgba(0,0,0,.18)}.modal-card.large{width:min(620px,100%)}.modal-card h2{font-size:19px;color:var(--dark);margin:0 0 18px}.modal-x{position:absolute;right:13px;top:10px;border:0;background:none;font-size:24px;color:#889197;cursor:pointer}
@media(max-width:1100px){.topbar{grid-template-columns:250px 1fr auto}.brand img{width:230px}.topnav a{font-size:0;padding:10px}.topnav a span{font-size:18px}.app-shell{grid-template-columns:300px 1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}.folder-grid{grid-template-columns:repeat(2,1fr)}.album-grid,.photo-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.topbar{grid-template-columns:1fr auto;height:auto}.brand img{width:230px}.topnav{grid-column:1/-1;grid-row:2;overflow:auto;justify-content:flex-start;flex-wrap:nowrap;padding-bottom:2px}.topnav a{font-size:11px;white-space:nowrap}.topnav a span{font-size:14px}.app-shell{display:block}.side-panel{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;padding:12px}.task-card{max-height:300px}.chat-card{height:340px}.main-content{padding:24px 18px}.welcome{grid-template-columns:1fr;padding:26px}.welcome-art{display:none}.folder-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.permission-row{grid-template-columns:1fr 1fr 1fr}.permission-row>div{grid-column:1/-1}.album-grid,.photo-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.auth-card{padding:28px 20px}.art-a,.art-b,.art-c{opacity:.35}.topbar{padding:10px 12px}.brand img{width:185px}.user-name{display:none}.side-panel{grid-template-columns:1fr}.chat-card{height:380px}.page-head{align-items:flex-start;flex-direction:column}.head-actions{width:100%;flex-wrap:wrap}.quick-grid,.info-strip{grid-template-columns:1fr}.album-grid,.photo-grid{grid-template-columns:1fr 1fr}.topic-row{grid-template-columns:36px 1fr 16px}.reply-pill{display:none}.user-row{grid-template-columns:38px 1fr auto}.user-row .role-pill{display:none}.form-grid.two{grid-template-columns:1fr}}