:root {
  --indigo:#2A206F; --indigo-deep:#1E1750; --indigo-2:#3A2E8F;
  --blue:#6498BE; --mauve:#B079AD;
  --grad:linear-gradient(135deg,#2A206F 0%,#3A2E8F 55%,#4B3AA6 100%);
  --bg:#f4f4fa; --panel:#fff; --border:#e7e6f1; --text:#1d1b33; --muted:#6b6a85;
  --danger:#c0392b; --ok:#1c6b33;
  --shadow-sm:0 1px 2px rgba(30,23,80,.06),0 1px 3px rgba(30,23,80,.08);
  --shadow-md:0 6px 24px rgba(30,23,80,.12);
  --shadow-lg:0 18px 50px rgba(30,23,80,.28);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.muted{color:var(--muted);font-weight:400}
.spacer{flex:1}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--grad);padding:20px}
.login-card{background:var(--panel);padding:38px 34px;border-radius:16px;width:380px;max-width:100%;box-shadow:var(--shadow-lg);text-align:center}
.login-card img.logo{width:168px;height:auto;margin-bottom:6px}
.login-card .sub{color:var(--muted);margin:2px 0 14px;font-size:13px}
.login-card label{display:block;text-align:left;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 5px}
.login-card input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:border-color .15s,box-shadow .15s}
.login-card input:focus{outline:none;border-color:var(--indigo-2);box-shadow:0 0 0 3px rgba(58,46,143,.14)}
#login-btn,#code-btn{margin-top:20px;width:100%;padding:12px;border:0;border-radius:8px;background:var(--grad);color:#fff;font-weight:600;font-size:15px;cursor:pointer;box-shadow:var(--shadow-sm)}
#login-btn:hover,#code-btn:hover{box-shadow:var(--shadow-md)}
.linklike{display:block;width:100%;margin-top:14px;background:none;border:0;color:var(--indigo-2);font-size:13px;text-decoration:underline;cursor:pointer;text-align:center}
.linklike:hover{color:var(--indigo)}
.code-intro{font-size:13px;color:var(--muted);text-align:left;margin:4px 0 6px}

/* ---------- app bar ---------- */
.appbar{display:flex;align-items:center;gap:22px;background:var(--grad);color:#fff;padding:12px 22px;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:20}
.appbar-left{display:flex;align-items:center;gap:11px}
.appbar-left img.mark{width:30px;height:30px}
.appbar-left strong{font-size:15px}
.tabs{display:flex;gap:6px}
.tabs .tab{background:rgba(255,255,255,.14);color:#fff;border:0;padding:8px 18px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s}
.tabs .tab:hover{background:rgba(255,255,255,.26)}
.tabs .tab.active{background:#fff;color:var(--indigo);font-weight:600}
.appbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.who{font-size:13px;opacity:.92}
.role-pill{font-size:10px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;background:#fff;color:var(--indigo);border-radius:20px;padding:2px 9px}
.role-pill.admin{background:rgba(255,255,255,.22);color:#fff}
.linkbtn{background:none;border:0;color:#cfc9ef;cursor:pointer;font-size:13px;text-decoration:none}
.linkbtn:hover{color:#fff}

/* ---------- standalone pages ---------- */
body.page{background:var(--bg)}
.page-body{max-width:1100px;margin:0 auto;padding:28px 24px 70px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{margin:0 0 4px;font-size:24px;color:var(--indigo)}
.page-sub{margin:0;color:var(--muted);font-size:13.5px;max-width:620px}
.head-actions{display:flex;align-items:center;gap:10px}

/* stat strip */
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 18px;box-shadow:var(--shadow-sm);min-width:120px}
.stat-n{font-size:22px;font-weight:700;color:var(--indigo)}
.stat-l{font-size:12px;color:var(--muted)}

/* ---------- templates layout ---------- */
.tabpane{display:flex;height:calc(100vh - 58px)}
.sidebar{width:272px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}
.sidebar-head{padding:16px 16px 10px;display:flex;align-items:center;justify-content:space-between;font-weight:700}
.sidebar-head>div{display:flex;gap:5px}
.minibtn{font-size:11px;border:1px solid var(--border);background:#fff;border-radius:6px;padding:4px 8px;cursor:pointer;color:var(--indigo-2);font-weight:600}
.minibtn:hover{border-color:var(--indigo-2);background:#f3f1fc}
.folder-list{overflow:auto;padding:8px}
.folder-group-label{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700;padding:10px 8px 5px}
.folder{display:flex;align-items:center;gap:10px;padding:10px 9px;border-radius:9px;cursor:pointer;transition:background .12s}
.folder .fico{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#6498BE,#4B78A0);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto}
.folder .fico.personal{background:linear-gradient(135deg,#B079AD,#8E5C8B)}
.folder:hover{background:#f5f4fc}
.folder.active{background:#efecfb}
.folder.active .fname{color:var(--indigo);font-weight:700}
.folder .fname{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.folder .fowner{display:block;font-size:10px;color:var(--muted);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.folder .fcount{font-size:11px;color:var(--muted);background:#f0eff8;border-radius:10px;padding:1px 8px}
.folder .fdel,.folder .faccess{opacity:0;border:0;background:none;cursor:pointer;font-size:13px;padding:0 2px}
.folder .fdel{color:var(--danger)}
.folder:hover .fdel,.folder:hover .faccess{opacity:.75}
.folder .fdel:hover,.folder .faccess:hover{opacity:1}
.folder.drop-target{background:#e4dffb;box-shadow:inset 0 0 0 2px var(--indigo-2)}

.content{flex:1;overflow:auto;padding:24px 28px}
.tpl-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;gap:16px}
.tpl-panel-head h2{margin:0;font-size:20px;color:var(--indigo);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drag-hint{margin:0 0 16px;font-size:12px;color:#9b99b3}
body.is-dragging .drag-hint{color:var(--indigo-2);font-weight:600}
.tpl-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tpl-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:grab;box-shadow:var(--shadow-sm);transition:transform .1s,box-shadow .15s,border-color .15s;position:relative;overflow:hidden}
.tpl-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#6498BE,#B079AD)}
.tpl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#d8d4ee}
.tpl-card:active{cursor:grabbing}
.tpl-card.dragging{opacity:.45;transform:scale(.97) rotate(-1deg)}
.tpl-card .t-name{font-weight:700;margin-bottom:5px;padding-left:6px}
.tpl-card .t-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:6px}
.tpl-card .t-folder{margin-top:8px;padding-left:6px;font-size:11px;color:var(--indigo-2);font-weight:600}

/* ---------- search ---------- */
.search{width:250px;padding:9px 13px;border:1px solid var(--border);border-radius:20px;font-size:13px;background:#fff;transition:border-color .15s,box-shadow .15s,width .18s}
.search:focus{outline:none;border-color:var(--indigo-2);box-shadow:0 0 0 3px rgba(58,46,143,.14)}

/* ---------- departments ---------- */
.dept-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.dept-card{text-align:left;font:inherit;color:inherit;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s,box-shadow .18s,border-color .15s;position:relative;overflow:hidden}
.dept-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:linear-gradient(90deg,#6498BE,#B079AD)}
.dept-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfc9ec}
.dept-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}
.dept-avatar{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;box-shadow:var(--shadow-sm)}
.dept-avatar.lg{width:52px;height:52px;font-size:21px;border-radius:16px}
.dept-actions{display:flex;gap:5px;opacity:0;transition:opacity .15s}
.dept-card:hover .dept-actions{opacity:1}
.icon-btn{border:1px solid var(--border);background:#fff;border-radius:8px;width:28px;height:28px;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center}
.icon-btn:hover{border-color:var(--indigo-2);background:#f6f5fd}
.icon-btn.del:hover{border-color:#f0cfca;background:#fdecea}
.dept-name{font-weight:700;font-size:15.5px;color:var(--indigo);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dept-count{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.mini-stack{display:flex;align-items:center}
.mini-av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#6498BE,#4B78A0);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:700;border:2px solid #fff;margin-left:-8px;flex:0 0 auto}
.mini-stack .mini-av:first-child{margin-left:0}
.mini-av.more{background:#e7e6f1;color:var(--muted)}
.mini-av.lg{width:36px;height:36px;font-size:12.5px;margin-left:0}

/* department detail modal */
.dept-modal-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.dept-modal-head h3{margin:0;color:var(--indigo)}
.dept-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.dept-toolbar .search{flex:1;width:auto}
.member-list{max-height:44vh;overflow:auto;border:1px solid var(--border);border-radius:12px}
.member-row{display:flex;align-items:center;gap:12px;padding:11px 14px;border-bottom:1px solid var(--border)}
.member-row:last-child{border-bottom:0}
.m-main{flex:1;min-width:0}
.m-name{font-weight:600}
.m-email{font-size:12px;color:var(--muted)}
.picker{margin-top:16px;border:1px solid var(--border);border-radius:12px;padding:14px;background:#faf9fe}
.picker-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.picker-list{max-height:34vh;overflow:auto;border:1px solid var(--border);border-radius:10px;background:#fff}
.pick-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--border);cursor:pointer;font-size:13.5px}
.pick-row:last-child{border-bottom:0}
.pick-row:hover{background:#f6f5fd}
.pick-row input{accent-color:var(--indigo-2)}
.p-main{flex:1;min-width:0;display:flex;flex-direction:column}
.p-name{font-weight:600}
.p-email{font-size:11.5px;color:var(--muted)}

/* ---------- users ---------- */
.user-list{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.user-row{display:flex;align-items:center;gap:12px;padding:13px 18px;border-bottom:1px solid var(--border)}
.user-row:last-child{border-bottom:0}
.user-row:hover{background:#faf9fe}
.u-avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto;font-size:13px}
.u-avatar.pending{background:#d9d7e6;color:#6b6a85}
.u-main{flex:1;min-width:0}
.u-name{font-weight:600}
.u-email{font-size:12px;color:var(--muted)}
.badge{font-size:11px;padding:3px 9px;border-radius:20px;background:#eef0f8;color:var(--indigo-2);text-transform:uppercase;letter-spacing:.03em;font-weight:600;white-space:nowrap}
.badge.admin{background:#f6ecf5;color:#8E5C8B}
.badge.dev{background:#e6ecfb;color:#2A206F}
.badge.dept{background:#eaf2f8;color:#3f6f92;text-transform:none;letter-spacing:0}
.badge.pending{background:#fff4e0;color:#9a5b00}
.badge.ok{background:#e8f6ec;color:var(--ok)}
.badge.off{background:#fdecea;color:var(--danger)}

/* ---------- activity ---------- */
.activity-box{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.act-day{background:#faf9fe;border-bottom:1px solid var(--border);padding:8px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.activity-row{display:flex;align-items:center;gap:12px;padding:11px 16px;border-bottom:1px solid var(--border);font-size:14px}
.activity-row:last-child{border-bottom:0}
.act-ico{flex:0 0 auto;width:26px;text-align:center}
.act-main{flex:1;min-width:0}
.act-actor{font-weight:600;color:var(--indigo)}
.act-detail{color:var(--indigo-2);font-weight:600}
.act-time{flex:0 0 auto;color:var(--muted);font-size:12px;white-space:nowrap}

/* ---------- buttons ---------- */
.btn{border:1px solid var(--border);background:#fff;padding:9px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;font-family:inherit}
.btn:hover{border-color:var(--indigo-2);background:#f6f5fd}
.btn.primary{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}
.btn.primary:hover{box-shadow:var(--shadow-md)}
.btn.primary:disabled{opacity:.55;cursor:default;box-shadow:none}
.btn.danger{background:#fff;color:var(--danger);border-color:#f0cfca}
.btn.danger:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn.small{padding:6px 12px;font-size:12px}

/* ---------- modals ---------- */
.modal{position:fixed;inset:0;background:rgba(30,23,80,.45);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-card{background:var(--panel);border-radius:14px;padding:26px;width:440px;max-width:100%;box-shadow:var(--shadow-lg);max-height:92vh;overflow:auto}
.modal-card.wide{width:680px}
.modal-card h3{margin:0 0 14px;color:var(--indigo)}
.modal-card label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 5px}
.modal-card input,.modal-card select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}
.modal-card input:focus,.modal-card select:focus{outline:none;border-color:var(--indigo-2);box-shadow:0 0 0 3px rgba(58,46,143,.14)}
.modal-actions{display:flex;align-items:center;gap:9px;margin-top:20px}
.access-opt{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--border);border-radius:10px;margin:8px 0;cursor:pointer}
.access-opt input{width:auto;margin-top:3px;accent-color:var(--indigo-2)}
.access-dept-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;margin:6px 2px 4px;max-height:220px;overflow:auto;padding:8px;border:1px solid var(--border);border-radius:10px}
.dept-check{display:flex;align-items:center;gap:7px;font-size:13px;padding:4px 2px;cursor:pointer}
.dept-check input{width:auto;accent-color:var(--indigo-2)}

/* editor */
.editor-toolbar{display:flex;gap:5px;flex-wrap:wrap;border:1px solid var(--border);border-bottom:0;border-radius:8px 8px 0 0;padding:7px;background:#faf9fe}
.editor-toolbar button{border:1px solid transparent;background:#fff;border-radius:6px;padding:5px 10px;cursor:pointer;font-size:13px;font-family:inherit}
.editor-toolbar button:hover{border-color:var(--border)}
.editor{min-height:220px;max-height:38vh;overflow:auto;border:1px solid var(--border);border-radius:0 0 8px 8px;padding:14px;background:#fff;font-size:14px;line-height:1.5}
.editor:focus{outline:none;border-color:var(--indigo-2)}
.editor table{border-collapse:collapse}
.editor td,.editor th{border:1px solid var(--border);padding:6px 9px}

/* attachments */
.attach-list{border:1px solid var(--border);border-radius:8px;overflow:hidden}
.attach-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--border);font-size:13px}
.attach-item:last-child{border-bottom:0}
.attach-item .a-name{flex:1;color:var(--indigo-2);text-decoration:none;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.attach-item .a-name:hover{text-decoration:underline}
.attach-item .a-size{color:var(--muted);font-size:12px}
.attach-item .a-del{border:0;background:none;color:var(--danger);cursor:pointer;font-size:14px;padding:2px 4px;border-radius:4px}
.attach-item .a-del:hover{background:#fdecea}
.attach-empty{padding:12px;color:var(--muted);font-size:13px;text-align:center}
.attach-add{display:flex;align-items:center;gap:12px;margin-top:10px}
.attach-btn{border:1px dashed var(--border);background:#faf9fe;padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;color:var(--indigo-2)}
.attach-btn:hover{border-color:var(--indigo-2);background:#f3f1fc}
.attach-btn.disabled{opacity:.5;cursor:not-allowed}
.attach-hint{font-size:12px;color:var(--muted)}

/* invite dialog */
.invite-intro{font-size:13px;color:var(--muted);margin:0 0 12px;line-height:1.5}
.invite-box input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:12px;font-family:ui-monospace,Consolas,monospace;background:#faf9fe;color:var(--indigo)}
.invite-copy{width:100%;margin-top:10px}

/* ---------- misc ---------- */
.placeholder{color:var(--muted);text-align:center;padding:50px 20px;font-size:14px}
.placeholder.small{padding:24px 16px;font-size:13px}
.error{margin-top:12px;background:#fdecea;color:var(--danger);padding:9px 11px;border-radius:8px;font-size:13px;border:1px solid #f6d4cf}
.note{margin-top:12px;background:#eef6f0;color:var(--ok);padding:9px 11px;border-radius:8px;font-size:13px;border:1px solid #cfe8d5}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--indigo);color:#fff;padding:12px 20px;border-radius:10px;box-shadow:var(--shadow-md);z-index:60;font-size:14px;font-weight:500}
.toast.err{background:var(--danger)}

@media(max-width:760px){
  .tabpane{flex-direction:column;height:auto}
  .sidebar{width:100%;border-right:0;border-bottom:1px solid var(--border)}
  .appbar{flex-wrap:wrap;gap:12px}
  .search{width:100%}
}