:root{
    --primary:#4f46e5; --primary-600:#4338ca; --primary-50:#eef2ff;
    --bg:#f5f6fa; --surface:#fff; --border:#e5e7eb;
    --text:#111827; --muted:#6b7280;
    --radius:14px; --shadow:0 4px 20px rgba(15,23,42,.06);
    --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
     color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:15px}
a{color:var(--primary);text-decoration:none}
code{font-family:ui-monospace,Consolas,monospace}

.btn-primary{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:10px;
              background:var(--primary);color:#fff;font-weight:600;font-size:14px;transition:.15s}
.btn-primary:hover{background:var(--primary-600)}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;
           border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}
.btn-ghost:hover{background:var(--bg)}
.btn-danger{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;
            background:#fee2e2;color:#b91c1c;font-weight:500;font-size:14px}
.btn-danger:hover{background:#fecaca}
.btn-sm{padding:6px 10px;font-size:13px}

.alert{padding:10px 14px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:10px;
       margin-bottom:16px;font-size:14px}
.alert.ok{background:#ecfdf5;color:#166534;border-color:#bbf7d0}
.muted{color:var(--muted)}
.spacer{flex:1}

.avatar{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:600;
        border-radius:50%;flex-shrink:0;width:36px;height:36px;font-size:14px}
.avatar.sm{width:30px;height:30px;font-size:12px}

/* ========== AUTH ========== */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;
           background:radial-gradient(1200px 600px at 20% 10%,#e0e7ff,#f5f6fa 60%)}
.auth-card{display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:900px;
           background:var(--surface);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.auth-illustration{display:flex;align-items:center;justify-content:center;
                   background:linear-gradient(135deg,#eef2ff,#e0e7ff);padding:40px}
.auth-illustration svg{width:100%;max-width:280px}
.auth-form{padding:46px 44px}
.auth-form h1{margin:0 0 6px;font-size:26px}
.switch{display:inline-flex;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:22px}
.switch-btn{padding:8px 18px;border-radius:8px;font-size:14px;color:var(--muted);font-weight:500}
.switch-btn.active{background:var(--surface);color:var(--primary);box-shadow:0 2px 6px rgba(0,0,0,.06)}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px;font-weight:500}
label input,label select,label textarea{display:block;width:100%;margin-top:6px;padding:11px 13px;
    border:1px solid var(--border);border-radius:10px;background:#fafbfc;transition:.15s;color:var(--text)}
label input:focus,label select:focus,label textarea:focus{outline:none;border-color:var(--primary);
    background:#fff;box-shadow:0 0 0 3px var(--primary-50)}

/* ========== APP / CHAT ========== */
.app{display:grid;grid-template-columns:280px 1fr;grid-template-rows:60px 1fr;
     grid-template-areas:"header header" "sidebar main";height:100vh;height:100dvh}
.app-header{grid-area:header;display:flex;align-items:center;gap:14px;padding:0 18px;
            background:var(--surface);border-bottom:1px solid var(--border);z-index:20}
.app-header.static{position:static}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);font-size:16px}
.top-nav{display:flex;gap:4px;margin-left:18px;flex:1}
.top-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:9px;
           color:var(--muted);font-size:14px;font-weight:500}
.top-nav a:hover{background:var(--bg);color:var(--text)}
.burger{display:none;padding:6px;border-radius:8px}

.me{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px}
.me-avatar{width:34px;height:34px;border-radius:50%;color:#fff;font-weight:600;
           display:flex;align-items:center;justify-content:center;font-size:14px}
.me-info{display:flex;flex-direction:column;line-height:1.15}
.me-name{font-weight:600;font-size:13px}
.me-role{font-size:11px;color:var(--muted)}
.logout{display:flex;color:var(--muted);padding:6px;border-radius:8px}
.logout:hover{background:var(--bg);color:var(--danger)}

.sidebar{grid-area:sidebar;background:var(--surface);border-right:1px solid var(--border);
         overflow-y:auto;padding:14px 10px;transition:transform .25s}
.sidebar-title{font-size:12px;text-transform:uppercase;letter-spacing:.05em;
               color:var(--muted);font-weight:600;padding:6px 12px 10px}
.peers-list{display:flex;flex-direction:column;gap:2px}
.dept-group{margin-bottom:10px}
.dept-label{font-size:11px;text-transform:uppercase;color:#94a3b8;font-weight:600;
            padding:6px 12px;letter-spacing:.04em}
.peer{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;cursor:pointer;transition:.15s}
.peer:hover{background:var(--primary-50)}
.peer.active{background:var(--primary-50)}
.peer .name{font-size:14px;font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.peer .badge{margin-left:auto;background:#ef4444;color:#fff;font-size:11px;font-weight:600;
             min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;
             justify-content:center;padding:0 6px}
.sidebar-empty{padding:20px;text-align:center;color:var(--muted);font-size:13px;
               display:flex;flex-direction:column;align-items:center;gap:8px}

.main{grid-area:main;display:flex;flex-direction:column;overflow:hidden;
      background:linear-gradient(180deg,#fafbfe,#f5f6fa);position:relative}
.tabs{display:flex;gap:6px;padding:10px 14px 0;overflow-x:auto;background:var(--surface);
      border-bottom:1px solid var(--border);flex-shrink:0}
.tabs::-webkit-scrollbar{display:none}
.tab{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;padding:9px 16px;
     border-radius:10px 10px 0 0;font-size:14px;color:var(--muted);font-weight:500;
     transition:.15s;white-space:nowrap;position:relative}
.tab:hover{color:var(--text);background:var(--bg)}
.tab.active{background:var(--primary);color:#fff}
.tab.unread::after{content:"";position:absolute;top:6px;right:6px;width:8px;height:8px;
                   border-radius:50%;background:#ef4444;box-shadow:0 0 0 2px var(--surface)}
.tab .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.tab .close{margin-left:2px;opacity:.6;font-size:16px;line-height:1;padding:0 2px;border-radius:4px}
.tab .close:hover{opacity:1;background:rgba(0,0,0,.1)}

.messages{flex:1;overflow-y:auto;padding:20px 22px;display:flex;flex-direction:column;gap:12px}
.msg{display:flex;gap:10px;max-width:78%;animation:fade .2s ease-out;position:relative}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.msg.mine{align-self:flex-end;flex-direction:row-reverse}
.msg .bubble{background:var(--surface);border:1px solid var(--border);border-radius:14px;
             padding:9px 13px;box-shadow:0 1px 2px rgba(15,23,42,.03);min-width:0;
             word-wrap:break-word;overflow-wrap:anywhere;position:relative}
.msg.mine .bubble{background:var(--primary);color:#fff;border-color:var(--primary)}
.msg .meta{display:flex;gap:10px;font-size:12px;color:var(--muted);margin-bottom:3px;align-items:baseline}
.msg.mine .meta{color:rgba(255,255,255,.8)}
.msg .meta b{font-weight:600;color:var(--text);font-size:13px}
.msg.mine .meta b{color:#fff}
.msg .text{font-size:14.5px;line-height:1.45;white-space:pre-wrap}
.msg .file{display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding:8px 12px;
           background:rgba(79,70,229,.08);color:var(--primary);border-radius:10px;
           font-size:13px;font-weight:500}
.msg.mine .file{background:rgba(255,255,255,.2);color:#fff}
.msg .file .size{opacity:.7;font-size:11px;font-weight:400}

.reactions{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.reaction{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:12px;
          background:#f1f5f9;border:1px solid #e2e8f0;font-size:12px;cursor:pointer;user-select:none;
          transition:.15s}
.reaction:hover{background:#e2e8f0}
.reaction.on{background:var(--primary-50);border-color:var(--primary);color:var(--primary)}
.msg.mine .reaction{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);color:#fff}

.react-toggle{position:absolute;top:-10px;right:8px;display:none;width:26px;height:26px;
              align-items:center;justify-content:center;background:var(--surface);
              border:1px solid var(--border);border-radius:50%;color:var(--muted);
              box-shadow:0 2px 6px rgba(15,23,42,.08)}
.msg:hover .react-toggle{display:flex}
.msg.mine .react-toggle{right:auto;left:8px}

.emoji-bar{display:none;gap:4px;padding:8px 14px;background:var(--surface);
           border-top:1px solid var(--border);flex-wrap:wrap}
.emoji-bar.open{display:flex}
.emoji-bar button{width:36px;height:36px;border-radius:8px;font-size:20px;line-height:1}
.emoji-bar button:hover{background:var(--bg)}

.composer{display:flex;align-items:flex-end;gap:8px;padding:12px 18px 16px;background:var(--surface);
          border-top:1px solid var(--border);flex-shrink:0}
.composer textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:12px;
                   padding:12px 14px;max-height:140px;min-height:44px;line-height:1.4;
                   background:#fafbfc;transition:.15s}
.composer textarea:focus{outline:none;border-color:var(--primary);background:#fff;
                         box-shadow:0 0 0 3px var(--primary-50)}
.icon-btn{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;
          justify-content:center;color:var(--muted);transition:.15s;flex-shrink:0}
.icon-btn:hover{background:var(--bg);color:var(--primary)}
.icon-btn.send{background:var(--primary);color:#fff}
.icon-btn.send:hover{background:var(--primary-600);color:#fff}

.attach-preview{position:absolute;bottom:76px;left:18px;right:18px;background:var(--surface);
                border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:13px;
                box-shadow:var(--shadow);display:flex;align-items:center;gap:8px}
.attach-preview button{margin-left:auto;color:var(--danger);font-size:12px;font-weight:500}

.emoji-picker{position:absolute;bottom:76px;right:18px;width:340px;max-height:360px;overflow-y:auto;
              background:var(--surface);border:1px solid var(--border);border-radius:14px;
              box-shadow:0 20px 60px rgba(15,23,42,.2);padding:10px;z-index:50;display:none}
.emoji-picker.open{display:block}
.ep-title{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);
          font-weight:600;margin:6px 4px 4px}
.ep-row{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;margin-bottom:6px}
.ep-row button{width:100%;aspect-ratio:1;border-radius:8px;font-size:20px;line-height:1}
.ep-row button:hover{background:var(--bg)}

/* ========== PROFILE ========== */
.page-page{background:var(--bg)}
.page-main{max-width:820px;margin:0 auto;padding:24px}
.page-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
           padding:28px;box-shadow:var(--shadow)}
.page-card h1{margin:0 0 6px;font-size:22px}
.page-card h2{margin:26px 0 6px;font-size:17px}
.profile-head{display:flex;align-items:center;gap:14px;padding:16px 0 22px;border-bottom:1px solid var(--border);margin-bottom:20px}
.profile-avatar{width:56px;height:56px;border-radius:50%;color:#fff;font-size:22px;font-weight:600;
                display:flex;align-items:center;justify-content:center}
.profile-name{font-size:18px;font-weight:600}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{margin:0}
.form-grid .form-actions{grid-column:1 / -1;display:flex;justify-content:flex-end;gap:8px;margin-top:6px}
.check-row{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.check-row input{width:auto;margin:0}

/* ========== MODALS ========== */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;
       justify-content:center;z-index:100;padding:20px}
.modal.hidden{display:none}
.modal-content{background:var(--surface);border-radius:16px;width:100%;max-width:600px;
               box-shadow:0 25px 60px rgba(0,0,0,.25);overflow:hidden;max-height:90vh;
               display:flex;flex-direction:column}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
              border-bottom:1px solid var(--border)}
.modal-header h2{margin:0;font-size:17px}
.modal-close{font-size:22px;color:var(--muted);padding:2px 8px;border-radius:8px}
.modal-close:hover{background:var(--bg)}
.modal-body{padding:20px;overflow-y:auto}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;
              border-top:1px solid var(--border);background:#fafbfc}

/* ========== TABLE ========== */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th,.admin-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
.admin-table th{background:#f8fafc;font-size:11px;text-transform:uppercase;letter-spacing:.05em;
                color:var(--muted);font-weight:600}
.admin-table tr:last-child td{border-bottom:0}
.ta-right{text-align:right}
.user-cell{display:flex;align-items:center;gap:10px}

.role-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:12px;font-weight:600}
.role-superadmin{background:#fee2e2;color:#991b1b}
.role-admin{background:#ede9fe;color:#5b21b6}
.role-user{background:#e0f2fe;color:#0369a1}

.badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600;
       background:#f1f5f9;color:#475569}
.badge-ok{background:#dcfce7;color:#166534}
.badge-danger{background:#fee2e2;color:#b91c1c}
.badge-warn{background:#fef3c7;color:#92400e}

/* ========== MOBILE ========== */
@media (max-width:760px){
    .app{grid-template-columns:1fr;grid-template-areas:"header" "main"}
    .burger{display:flex}
    .sidebar{position:fixed;top:60px;bottom:0;left:0;width:280px;z-index:15;
             transform:translateX(-100%);box-shadow:8px 0 24px rgba(15,23,42,.08)}
    .sidebar.open{transform:none}
    .me-info{display:none}
    .msg{max-width:88%}
    .auth-card{grid-template-columns:1fr;max-width:440px}
    .auth-illustration{display:none}
    .auth-form{padding:34px 26px}
    .form-grid{grid-template-columns:1fr}
    .top-nav span{display:none}
}
/* Удалённое сообщение */
.msg .bubble-deleted {
    background: #f8fafc !important;
    border-style: dashed !important;
    border-color: #cbd5e1 !important;
    color: #94a3b8 !important;
}
.msg.mine .bubble-deleted {
    background: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
    color: #64748b !important;
}
.msg .deleted-text {
    font-style: italic;
    opacity: .8;
}

/* Кнопка удаления на сообщении */
.msg { position: relative; }
.msg-delete {
    position: absolute;
    top: -10px;
    display: none;
    width: 26px; height: 26px;
    align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: #dc2626;
    box-shadow: 0 2px 6px rgba(15,23,42,.08);
    z-index: 2;
}
.msg:not(.mine) .msg-delete { right: -36px; }
.msg.mine .msg-delete       { left:  -36px; }
.msg:hover .msg-delete      { display: flex; }
.msg-delete:hover           { background: #fee2e2; }

/* Чуть подвинем react-toggle, чтобы не пересекался с msg-delete */
.msg:not(.mine) .react-toggle { right: 8px; }
.msg.mine .react-toggle       { left: 8px; }