@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a28;--bg-card:rgba(26,26,40,.8);--bg-hover:rgba(139,92,246,.08);--bg-active:rgba(139,92,246,.15);--text-primary:#f0f0f5;--text-secondary:#9494a8;--text-muted:#5a5a72;--accent-primary:#8b5cf6;--accent-secondary:#6d28d9;--accent-gradient:linear-gradient(135deg,#8b5cf6,#6366f1 50%,#4f46e5);--accent-glow:rgba(139,92,246,.3);--success:#10b981;--warning:#f59e0b;--error:#ef4444;--border:hsla(0,0%,100%,.06);--border-focus:rgba(139,92,246,.5);--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 4px 14px rgba(0,0,0,.4);--shadow-lg:0 10px 40px rgba(0,0,0,.5);--shadow-glow:0 0 30px rgba(139,92,246,.15);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition:all 0.2s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;font-family:Inter,-apple-system,system-ui,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.glass{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-md);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition);outline:none}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 40px rgba(139,92,246,.25)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-focus)}.btn-danger{background:rgba(239,68,68,.15);color:var(--error);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:rgba(239,68,68,.25)}.btn-sm{padding:6px 14px;font-size:13px}.input{width:100%;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:14px;transition:var(--transition);outline:none}.input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(139,92,246,.1)}.input::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}.badge-active{background:rgba(16,185,129,.15);color:var(--success)}.badge-closed{background:rgba(148,148,168,.15);color:var(--text-secondary)}.badge-admin{background:rgba(139,92,246,.15);color:var(--accent-primary)}.badge-agent{background:rgba(99,102,241,.15);color:#818cf8}.badge-unread{background:var(--accent-primary);color:#fff;min-width:20px;height:20px;display:inline-flex;border-radius:10px;font-size:11px}.avatar,.badge-unread{align-items:center;justify-content:center;font-weight:600}.avatar{width:40px;height:40px;border-radius:var(--radius-full);display:flex;font-size:16px;flex-shrink:0}.avatar-purple{background:var(--accent-gradient);color:#fff}.avatar-gray{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade{animation:fadeIn .3s ease-out}.animate-slide{animation:slideIn .3s ease-out}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-logo{font-size:24px}.sidebar-title{font-weight:700;font-size:18px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{display:flex;gap:4px;padding:12px}.sidebar-nav-btn{flex:1 1;padding:8px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);background:transparent;color:var(--text-secondary)}.sidebar-nav-btn.active{background:var(--accent-gradient);color:#fff}.sidebar-nav-btn:hover:not(.active){background:var(--bg-hover)}.sidebar-list{flex:1 1;overflow-y:auto;padding:8px}.sidebar-footer{padding:16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-footer-info{flex:1 1;min-width:0}.sidebar-footer-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-footer-role{font-size:12px;color:var(--text-muted)}.conv-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);margin-bottom:2px}.conv-item:hover{background:var(--bg-hover)}.conv-item.active{background:var(--bg-active)}.conv-item-info{flex:1 1;min-width:0}.conv-item-name{font-size:14px;font-weight:500;margin-bottom:3px;display:flex;align-items:center;justify-content:space-between}.conv-item-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-item-time{font-size:11px;color:var(--text-muted)}.main{flex:1 1;display:flex;flex-direction:column;min-width:0}.chat-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;background:var(--bg-secondary)}.chat-header-info{flex:1 1}.chat-header-name{font-size:16px;font-weight:600}.chat-header-status{font-size:13px;color:var(--text-secondary)}.chat-messages{flex:1 1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:12px}.message-row{display:flex;gap:8px;max-width:70%;animation:fadeIn .2s ease-out}.message-row.inbound{align-self:flex-start}.message-row.outbound{align-self:flex-end;flex-direction:row-reverse}.message-bubble{padding:10px 16px;border-radius:18px;font-size:14px;line-height:1.5;position:relative;word-break:break-word}.message-row.inbound .message-bubble{background:var(--bg-tertiary);border:1px solid var(--border);border-bottom-left-radius:4px}.message-row.outbound .message-bubble{background:var(--accent-gradient);color:#fff;border-bottom-right-radius:4px}.message-time{font-size:11px;color:var(--text-muted);margin-top:4px}.message-row.outbound .message-time{text-align:right;color:hsla(0,0%,100%,.6)}.message-status{font-size:11px;display:inline-flex;align-items:center;gap:3px}.chat-input-container{padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-secondary)}.chat-input-wrapper{display:flex;gap:12px;align-items:flex-end}.chat-input{flex:1 1;padding:12px 18px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-xl);color:var(--text-primary);font-family:inherit;font-size:14px;resize:none;outline:none;max-height:120px;min-height:44px;transition:var(--transition)}.chat-input:focus{border-color:var(--border-focus)}.chat-send-btn{width:44px;height:44px;border-radius:var(--radius-full);background:var(--accent-gradient);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.chat-send-btn:hover{transform:scale(1.05);box-shadow:var(--shadow-glow)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.info-panel{width:300px;background:var(--bg-secondary);border-left:1px solid var(--border);padding:24px;overflow-y:auto;flex-shrink:0}.info-panel-section{margin-bottom:24px}.info-panel-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:8px}.info-panel-value{font-size:14px;color:var(--text-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;color:var(--text-muted)}.empty-state-icon{font-size:64px;opacity:.5}.empty-state-text{font-size:16px;text-align:center}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px;position:relative;overflow:hidden}.login-bg{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(139,92,246,.12) 0,transparent 70%);pointer-events:none}.login-card{width:100%;max-width:400px;padding:48px;z-index:1}.login-logo{font-size:48px}.login-logo,.login-title{text-align:center;margin-bottom:8px}.login-title{font-size:28px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-subtitle{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:36px}.login-form{display:flex;flex-direction:column;gap:16px}.login-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px;display:block}.login-error{padding:10px 14px;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-md);color:var(--error);font-size:13px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .15s ease-out}.modal{width:90%;max-width:480px;padding:32px;animation:fadeIn .2s ease-out}.modal-title{font-size:18px;font-weight:600;margin-bottom:24px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.staff-table{width:100%;border-collapse:collapse}.staff-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.staff-table td,.staff-table th{border-bottom:1px solid var(--border)}.staff-table td{padding:14px 16px;font-size:14px}.staff-table tr:hover td{background:var(--bg-hover)}@media (max-width:768px){.sidebar{width:100%;position:absolute;z-index:10;height:100vh}.info-panel,.main.hidden-mobile,.sidebar.hidden-mobile{display:none}.message-row{max-width:85%}.chat-header .back-btn{display:flex}}@media (min-width:769px){.chat-header .back-btn{display:none}}.admin-container{flex:1 1;padding:32px;overflow-y:auto}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.admin-title{font-size:24px;font-weight:700}