:root{--sidebar-bg: #1e293b;--sidebar-bg-active: #0f172a;--accent: #38bdf8;--accent-dark: #0284c7;--text-light: #e2e8f0;--text-muted: #94a3b8;--content-bg: #f8fafc;--card-bg: #ffffff;--border: #e2e8f0;--danger: #dc2626;--success: #16a34a;--heading-color: #0f172a;--subheading-color: #64748b;--text-color: #334155;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--content-bg)}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar-bg);color:var(--text-light);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.logo-mark{width:32px;height:32px;border-radius:8px}.logo-text{font-size:18px;font-weight:800;letter-spacing:1.5px;color:var(--text-light)}.menu{list-style:none;padding:14px 10px;flex:1}.menu li{margin-bottom:4px}.menu a{width:100%;text-align:left;background:none;border:none;color:var(--text-muted);font-size:14.5px;padding:11px 14px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:12px;text-decoration:none;transition:background .15s ease,color .15s ease}.menu a:hover{background:#ffffff0f;color:var(--text-light)}.menu a.active{background:var(--sidebar-bg-active);color:var(--accent);font-weight:600;box-shadow:inset 3px 0 0 var(--accent)}.icon{width:18px;display:inline-flex;align-items:center;justify-content:center;font-size:15px}.sidebar-footer{padding:16px 20px;font-size:12px;color:var(--text-muted);border-top:1px solid rgba(255,255,255,.08)}.main{flex:1;padding:32px 40px}.main h1{font-size:22px;color:var(--heading-color);margin-bottom:6px}.subtitle{color:var(--subheading-color);font-size:14px;margin-bottom:24px}.chat-standalone-link{color:var(--accent);text-decoration:none;font-weight:500}.chat-standalone-link:hover{text-decoration:underline}.chat-app-shell{display:flex;flex-direction:column;height:100vh}.chat-app-header{flex-shrink:0;height:60px;background:var(--sidebar-bg);color:var(--text-light);display:flex;align-items:center;justify-content:space-between;padding:0 20px}.chat-app-header-brand{display:flex;align-items:center;gap:10px}.chat-app-header-account{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-muted)}.chat-app-header-logout{background:none;border:1px solid rgba(255,255,255,.2);color:var(--text-light);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12.5px}.chat-app-header-logout:hover{background:#ffffff14}.chat-app-shell{background:linear-gradient(160deg,#0f172a,#1e3a5f 35%,#38bdf8)}.chat-app-main{flex:1;min-height:0;padding:14px}.chat-shell-standalone{height:100%;box-shadow:0 12px 32px #0f172a59;border:none}.chat-shell-standalone{grid-template-columns:1fr}.chat-shell-standalone .chat-pane-hidden{display:none}.chat-conversation-title{display:flex;align-items:center;gap:10px}.chat-back-btn{background:none;border:none;font-size:18px;line-height:1;cursor:pointer;color:var(--text-color);padding:4px}.chat-back-btn:hover{color:var(--accent)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:28px;color:var(--text-color);font-size:14px;line-height:1.6}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,420px));gap:18px 24px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:600;color:#334155}.field input,.field select{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:#0f172a;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #38bdf826}.field input.error,.field select.error{border-color:var(--danger)}.error-msg{font-size:12px;color:var(--danger);min-height:14px}.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;margin-top:4px}.btn-primary{background:var(--accent-dark);color:#fff;border:none;padding:11px 22px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s ease}.btn-primary:hover{background:#0369a1}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:none;border:1px solid var(--border);color:#475569;padding:10px 18px;border-radius:8px;font-size:14px;cursor:pointer;text-decoration:none;display:inline-block}.btn-secondary:hover{background:#f1f5f9}.btn-secondary.small{padding:6px 12px;font-size:12.5px}.btn-secondary.danger{color:var(--danger);border-color:#fecaca}.btn-secondary.danger:hover{background:#fef2f2}.banner{grid-column:1 / -1;padding:10px 14px;border-radius:8px;font-size:13.5px;display:none}.banner.show{display:block}.banner.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.banner.error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:13.5px}th{color:#64748b;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}.role-badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#e0f2fe;color:#0369a1}.empty-state{color:#94a3b8;text-align:center;padding:30px 0}.row-actions{display:flex;gap:8px}.sidebar-account{display:flex;flex-direction:column;gap:8px}.sidebar-account span{color:var(--text-muted)}.sidebar-logout{background:none;border:1px solid rgba(255,255,255,.15);color:var(--text-light);padding:6px 10px;border-radius:6px;font-size:12px;cursor:pointer;align-self:flex-start}.sidebar-logout:hover{background:#ffffff14}.sidebar-login-link{color:var(--accent);font-size:13px;font-weight:600;text-decoration:none}.sidebar-login-link:hover{text-decoration:underline}.login-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;background:radial-gradient(circle at top left,#1e40af,#0f172a 60%);padding:24px}.login-banner{text-align:center;font-size:26px;font-weight:700;letter-spacing:.5px;font-family:Georgia,Times New Roman,serif;background:linear-gradient(90deg,#93c5fd,#e0f2fe 50%,#93c5fd);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 2px 24px rgba(96,165,250,.35);margin:0}.login-banner-dot{color:#60a5fa;-webkit-text-fill-color:#60a5fa;margin:0 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#0f172a1f;position:relative;overflow:hidden}.stat-card-icon{font-size:22px;opacity:.9;margin-bottom:10px}.stat-card-value{font-size:30px;font-weight:800;line-height:1}.stat-card-label{font-size:13px;font-weight:600;opacity:.9;margin-top:6px;letter-spacing:.3px}.section-heading{font-size:15px;color:var(--heading-color);margin-bottom:16px}.donut-wrap{display:flex;justify-content:center}.sidebar-unread-badge{margin-left:auto;background:var(--accent);color:#0f172a;font-size:11px;font-weight:800;padding:1px 7px;border-radius:999px}.form-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}.chat-shell{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--border);border-radius:10px;background:var(--card-bg);height:calc(100vh - 180px);min-height:480px;overflow:hidden}.chat-list-pane{border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.chat-new-btn{margin:14px 14px 10px}.chat-filter-tabs{display:flex;gap:4px;padding:0 14px 10px;border-bottom:1px solid var(--border)}.chat-filter-tab{background:none;border:none;color:#64748b;font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:999px;cursor:pointer}.chat-filter-tab:hover{background:#f1f5f9}.chat-filter-tab.active{background:var(--accent-dark);color:#fff}.chat-list{flex:1;overflow-y:auto;padding:8px}.chat-list-item{width:100%;display:flex;align-items:center;gap:10px;padding:10px;border:none;background:none;border-radius:8px;cursor:pointer;text-align:left;margin-bottom:2px}.chat-list-item:hover{background:#f1f5f9}.chat-list-item.active{background:#e0f2fe}.chat-list-avatar{position:relative;width:38px;height:38px;border-radius:50%;background:var(--accent-dark);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.presence-dot{position:absolute;bottom:-1px;right:-1px;width:10px;height:10px;border-radius:50%;background:#94a3b8;border:2px solid var(--card-bg)}.presence-dot.online{background:var(--success)}.chat-list-info{flex:1;min-width:0}.chat-list-name{font-size:13.5px;font-weight:600;color:#0f172a}.chat-member-count{font-weight:400;color:#94a3b8}.chat-list-preview{font-size:12.5px;color:#64748b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-unread-badge{background:var(--accent-dark);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;flex-shrink:0}.chat-star-btn{flex-shrink:0;font-size:16px;color:#cbd5e1;line-height:1;padding:2px}.chat-star-btn:hover,.chat-star-btn.active{color:#f59e0b}.chat-conversation-pane{display:flex;flex-direction:column;min-height:0}.chat-empty{margin:auto}.chat-conversation-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:14.5px;color:#0f172a}.chat-header-actions{display:flex;gap:8px}.chat-members-panel{padding:10px 20px;border-bottom:1px solid var(--border);background:#f8fafc}.chat-member-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-size:13.5px}.chat-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:10px}.chat-message{display:flex}.chat-message.own{justify-content:flex-end}.chat-bubble{max-width:60%;background:#f1f5f9;border-radius:12px;padding:9px 13px;position:relative}.chat-message.own .chat-bubble{background:#dbeafe}.chat-bubble-sender{font-size:11.5px;font-weight:700;color:var(--accent-dark);margin-bottom:2px}.chat-bubble-text{font-size:14px;color:var(--text-color);white-space:pre-wrap;word-break:break-word}.chat-deleted-text{font-size:13px;color:#94a3b8}.chat-bubble-meta{font-size:10.5px;color:#94a3b8;margin-top:4px}.chat-attachment{display:block;margin-top:4px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:12.5px;cursor:pointer;text-align:left}.chat-attachment span{color:#94a3b8}.chat-bubble-actions{display:flex;gap:8px;margin-top:4px}.chat-bubble-actions button{background:none;border:none;color:#64748b;font-size:11px;cursor:pointer;padding:0;text-decoration:underline}.chat-edit-box textarea{width:100%;min-width:220px;min-height:50px;border-radius:6px;border:1px solid var(--border);padding:6px 8px;font-family:inherit;font-size:13.5px}.chat-edit-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}.chat-typing{padding:0 20px 6px;font-size:12px;color:#64748b;font-style:italic}.chat-input-row{display:flex;align-items:center;gap:8px;padding:12px 20px;border-top:1px solid var(--border)}.chat-file-input{display:none}.chat-attach-btn{cursor:pointer;font-size:18px;padding:6px;border-radius:8px}.chat-attach-btn:hover{background:#f1f5f9}.chat-text-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:20px;font-size:14px;outline:none}.chat-text-input:focus{border-color:var(--accent)}.chat-draft-file{margin:0 20px 12px;padding:6px 10px;background:#f1f5f9;border-radius:8px;font-size:12.5px;display:flex;align-items:center;gap:8px;width:fit-content}.chat-draft-file button{background:none;border:none;cursor:pointer;font-size:14px;color:#64748b}.chat-notif-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;border-radius:10px;padding:10px 16px;font-size:13px;margin-bottom:16px}.chat-notif-banner-actions{display:flex;gap:8px;flex-shrink:0}.chat-toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column-reverse;gap:10px;z-index:200;width:320px;max-width:calc(100vw - 40px)}.chat-toast{background:var(--card-bg);border:1px solid var(--border);border-left:4px solid var(--accent-dark);border-radius:10px;padding:12px 16px;box-shadow:0 12px 30px #0f172a2e;cursor:pointer;position:relative;animation:chat-toast-in .2s ease-out}.chat-toast:hover{background:#f8fafc}.chat-toast-close{position:absolute;top:8px;right:10px;background:none;border:none;font-size:16px;line-height:1;color:#94a3b8;cursor:pointer}.chat-toast-close:hover{color:#0f172a}.chat-toast-title{font-size:13.5px;font-weight:700;color:#0f172a;padding-right:16px}.chat-toast-subtitle{font-size:12px;font-weight:600;color:var(--accent-dark);margin-top:2px}.chat-toast-body{font-size:12.5px;color:#475569;margin-top:3px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}@keyframes chat-toast-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--card-bg);border-radius:12px;width:100%;max-width:420px;max-height:80vh;overflow-y:auto;padding:24px;box-shadow:0 20px 50px #02081740}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-header h2{font-size:17px;color:var(--heading-color)}.modal-close{background:none;border:none;font-size:22px;line-height:1;cursor:pointer;color:#94a3b8}.modal-close:hover{color:#0f172a}.employee-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto;margin-bottom:14px}.employee-row{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:8px;cursor:pointer;font-size:13.5px}.employee-row:hover{background:#f1f5f9}.employee-name{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.stat-row{display:flex;gap:16px;flex-wrap:wrap}.stat-box{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:16px 22px;min-width:120px}.stat-value{font-size:26px;font-weight:700;color:var(--heading-color)}.stat-label{font-size:12.5px;color:var(--subheading-color);margin-top:4px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,220px));gap:20px;margin-bottom:24px}.settings-grid .field input[type=color]{padding:4px;height:42px;cursor:pointer}.settings-success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0;padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}.settings-preview{border:1px dashed var(--border);border-radius:10px;padding:20px;background:var(--content-bg)}.settings-preview-heading{font-size:20px;font-weight:700;margin-bottom:6px}.settings-preview-subheading{font-size:13.5px;margin-bottom:10px}.settings-preview-text{font-size:14px;line-height:1.6;margin-bottom:14px}.settings-preview-btn{border:none;color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:default}.settings-preview-sidebar{display:inline-block;margin-left:10px;color:#e2e8f0;padding:10px 18px;border-radius:8px;font-size:13px;font-weight:600}.view-user-details{display:flex;flex-direction:column;gap:16px;max-width:420px}.view-user-row{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--text-color)}