:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--primary-border: #bfdbfe;--success: #16a34a;--success-bg: #f0fdf4;--success-border: #86efac;--success-text: #15803d;--warning: #b45309;--warning-bg: #fffbeb;--warning-border: #fcd34d;--warning-text: #92400e;--error: #dc2626;--error-bg: #fef2f2;--error-border: #fca5a5;--error-text: #991b1b;--surface: #ffffff;--surface-2: #f8fafc;--surface-3: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--header-bg: #0f172a;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-xs: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--surface);color:var(--text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.chat-container{width:100%;height:100vh;display:flex;flex-direction:column;overflow:hidden;background:var(--surface)}.chat-header{background:var(--header-bg);color:#fff;padding:0 18px;height:58px;display:flex;align-items:center;gap:12px;flex-shrink:0;border-bottom:1px solid rgba(255,255,255,.06)}.header-icon{width:36px;height:36px;background:#ffffff1a;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#93c5fd;flex-shrink:0}.header-text{flex:1;min-width:0}.header-text h1{font-size:14px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-text p{font-size:11.5px;color:#ffffff80;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-messages{flex:1;overflow-y:auto;padding:20px 16px;display:flex;flex-direction:column;gap:14px;background:var(--surface-2)}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.message{display:flex;gap:10px;max-width:86%;animation:msgIn .22s ease}@keyframes msgIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.message.bot{align-self:flex-start}.message.user{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.message.bot .message-avatar{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border)}.message.user .message-avatar{background:var(--surface-3);color:var(--text-secondary);border:1px solid var(--border)}.message-bubble{padding:10px 14px;border-radius:var(--radius-lg);font-size:13.5px;line-height:1.6;color:var(--text-primary)}.message.bot .message-bubble{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm);box-shadow:var(--shadow)}.message.user .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:var(--radius-sm)}.message-bubble h3{font-size:13.5px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.message-bubble p{margin-bottom:5px}.message-bubble p:last-child{margin-bottom:0}.message-bubble strong{font-weight:600}.message-bubble ul,.message-bubble ol{margin:6px 0;padding-left:18px}.message-bubble li{margin-bottom:3px}.message-bubble hr{border:none;border-top:1px solid var(--border);margin:10px 0}.message-bubble a{color:var(--primary);text-decoration:none;font-weight:500;border-bottom:1px solid var(--primary-border);transition:border-color .15s}.message-bubble a:hover{border-bottom-color:var(--primary)}.result-header{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;padding:7px 11px;border-radius:var(--radius-sm);margin-bottom:10px;letter-spacing:-.01em}.result-header:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.result-success{color:var(--success-text);background:var(--success-bg);border:1px solid var(--success-border)}.result-warning{color:var(--warning-text);background:var(--warning-bg);border:1px solid var(--warning-border)}.result-error{color:var(--error-text);background:var(--error-bg);border:1px solid var(--error-border)}.result-identified{font-size:12px;color:var(--text-muted);margin-bottom:6px}.detail-grid{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;margin:8px 0;font-size:12.5px}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;border-bottom:1px solid var(--border);gap:8px}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--text-secondary);font-weight:500;flex-shrink:0}.value-success{color:var(--success);font-weight:600}.value-muted{color:var(--text-muted)}.result-notice{border-radius:var(--radius-sm);padding:7px 10px;font-size:12.5px;margin-top:8px;line-height:1.5}.warning-notice{background:var(--warning-bg);border:1px solid var(--warning-border);color:var(--warning-text)}.info-notice{background:var(--primary-light);border:1px solid var(--primary-border);color:#1e40af}.suggestion-list{list-style:none!important;padding:0!important;margin:6px 0!important}.suggestion-list li{padding:3px 0 3px 16px!important;position:relative;font-size:13px;margin-bottom:2px!important}.suggestion-list li:before{content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--text-muted)}.item-success:before{background:var(--success)!important}.item-warning:before{background:var(--warning)!important}.item-error:before{background:var(--error)!important}.email-hint{font-size:11.5px!important;color:var(--text-muted)!important;margin-top:4px!important}.email-hint a{color:var(--primary)!important;font-weight:500;border-bottom:1px solid var(--primary-border)}.typing-indicator{display:flex;align-self:flex-start;gap:10px;max-width:86%}.typing-dots{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);padding:11px 16px;display:flex;gap:5px;align-items:center;box-shadow:var(--shadow)}.typing-dots span{width:6px;height:6px;background:var(--border-strong);border-radius:50%;animation:tdot 1.3s infinite ease-in-out}.typing-dots span:nth-child(1){animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}@keyframes tdot{0%,80%,to{transform:scale(.55);opacity:.4}40%{transform:scale(1);opacity:1}}.searching-bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);padding:10px 14px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);font-size:13px;color:var(--text-secondary)}.searching-spinner{width:15px;height:15px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.quick-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.quick-btn{background:var(--surface);color:var(--text-secondary);border:1px solid var(--border);border-radius:20px;padding:5px 12px;font-size:12.5px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit;line-height:1.4}.quick-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary-border)}.device-actions{display:flex;flex-direction:column;gap:6px;margin-top:12px}.device-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .15s;font-family:inherit;text-align:left;display:flex;align-items:center;gap:10px;color:var(--text-primary);box-shadow:var(--shadow-xs)}.device-btn-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.device-btn-label{flex:1}.device-btn-arrow{color:var(--text-muted);flex-shrink:0;transition:transform .15s}.device-btn:hover{border-color:var(--primary-border);background:var(--primary-light);box-shadow:var(--shadow)}.device-btn:hover .device-btn-arrow{color:var(--primary);transform:translate(2px)}.device-btn[data-device=stromleser-one] .device-btn-icon{background:#eff6ff;color:#2563eb}.device-btn[data-device=stromleser-tasmota] .device-btn-icon{background:#f5f3ff;color:#7c3aed}.device-btn[data-device=gasleser] .device-btn-icon{background:#fff7ed;color:#ea580c}.device-btn[data-device=waermeleser] .device-btn-icon{background:#fef2f2;color:#dc2626}.device-btn:hover[data-device=stromleser-one] .device-btn-icon{background:#dbeafe}.device-btn:hover[data-device=stromleser-tasmota] .device-btn-icon{background:#ede9fe}.device-btn:hover[data-device=gasleser] .device-btn-icon{background:#ffedd5}.device-btn:hover[data-device=waermeleser] .device-btn-icon{background:#fee2e2}.chat-input-area{padding:12px 14px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.input-row{display:flex;gap:8px;align-items:flex-end}.input-wrapper{flex:1;position:relative}.meter-input{width:100%;padding:10px 40px 10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:13.5px;font-family:inherit;outline:none;background:var(--surface-2);color:var(--text-primary);transition:border-color .15s,background .15s,box-shadow .15s}.meter-input:focus{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px #2563eb1a}.meter-input::placeholder{color:var(--text-muted)}.meter-input:disabled{opacity:.5;cursor:not-allowed}.send-btn{width:42px;height:42px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .15s,box-shadow .15s;flex-shrink:0;box-shadow:0 1px 3px #2563eb4d}.send-btn:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 2px 6px #2563eb66}.send-btn:active:not(:disabled){transform:scale(.97)}.send-btn:disabled{background:var(--border-strong);box-shadow:none;cursor:not-allowed}.upload-btn{position:absolute;right:7px;bottom:7px;width:28px;height:28px;background:none;border:none;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:all .15s}.upload-btn:hover{background:var(--surface-3);color:var(--text-secondary)}.input-hint{font-size:11px;color:var(--text-muted);margin-top:6px;text-align:center}.file-preview{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--surface-2);border-top:1px solid var(--border)}.file-preview img{width:40px;height:40px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border)}.file-preview .file-info{flex:1;font-size:12px;color:var(--text-secondary)}.file-preview .filename{font-weight:600;color:var(--text-primary);font-size:12.5px}.file-preview .remove-file{width:26px;height:26px;background:var(--surface-3);border:1px solid var(--border);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .15s}.file-preview .remove-file:hover{background:var(--error-bg);border-color:var(--error-border);color:var(--error)}.image-preview{max-width:180px;max-height:160px;border-radius:var(--radius-sm);margin-bottom:6px;display:block;border:1px solid var(--border)}.autocomplete-dropdown{position:absolute;bottom:calc(100% + 4px);left:0;right:0;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);max-height:190px;overflow-y:auto;z-index:100}.autocomplete-dropdown::-webkit-scrollbar{width:4px}.autocomplete-dropdown::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.autocomplete-item{padding:9px 12px;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:8px;color:var(--text-secondary);transition:background .1s;border-bottom:1px solid var(--border)}.autocomplete-item:last-child{border-bottom:none}.autocomplete-item:hover{background:var(--primary-light);color:var(--primary)}.autocomplete-item .ac-icon{color:var(--text-muted);flex-shrink:0}.autocomplete-item:hover .ac-icon{color:var(--primary)}.lang-toggle{margin-left:auto;padding:5px 10px;border:1px solid rgba(255,255,255,.18);border-radius:20px;background:#ffffff14;color:#fffc;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:5px;white-space:nowrap;flex-shrink:0;font-family:inherit}.lang-toggle:hover{background:#ffffff29;border-color:#ffffff4d;color:#fff}@media (max-width: 380px){.chat-header{padding:0 12px;height:52px}.header-text h1{font-size:13px}.chat-messages{padding:14px 12px}.message{max-width:92%}.device-btn{padding:8px 10px;font-size:13px}}