*, *::before, *::after{box-sizing:border-box;margin:0;padding:0}:root{--accent:#3480F7;--accent-hv:#1b5fcc;--accent-soft:rgba(0,69,219,0.08);--bg:#F5F6FA;--sidebar-bg:#FFFFFF;--surface:#EDEEF3;--surface-hv:#E2E3EA;--border:#DFE0E8;--text:#212121;--muted:#7B7D87;--error:#DB0000;--radius:12px;--sidebar-w:260px;--max-chat-w:90rem}.layout{display:flex;flex-direction:column;gap:2rem;height:100%;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:12px 8px;gap:4px;flex-shrink:0;transition:transform .25s ease;display:none}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:10px 10px 14px;font-size:1.4rem;font-weight:700;color:var(--text);border-bottom:1px solid var(--border);margin-bottom:6px}.sidebar-logo path{fill:var(--accent)}.logo-svg{flex-shrink:0}.sidebar-tender-section{padding:0 4px;display:flex;flex-direction:column;gap:4px}.field-label{font-size:1.4rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:0 6px}.field-input{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-size:1.2rem;font-family:inherit;outline:none;width:100%;transition:border-color .15s,background .15s}.field-input:focus{border-color:var(--accent);background:#fff}.field-input::placeholder{color:var(--muted)}.btn-new-chat{display:flex;align-items:center;gap:8px;width:calc(100% - 8px);margin:8px 4px 4px;padding:10px 14px;background:var(--accent-soft);border:1px solid rgba(0,15,219,0.2);border-radius:10px;color:var(--accent);font-size:1.2rem;font-family:inherit;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s;text-align:left}.btn-new-chat:hover{background:rgba(219,0,0,.14);border-color:rgba(219,0,0,.35)}.btn-new-chat svg{flex-shrink:0}.sidebar-history{flex:1;overflow-y:auto;padding:0 4px}.sidebar-history::-webkit-scrollbar{width:4px}.sidebar-history::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.history-label{font-size:1.4rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:10px 6px 4px}.history-item{padding:8px 10px;border-radius:8px;font-size:1.4rem;color:var(--muted);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .15s,color .15s}.history-item:hover{background:var(--surface);color:var(--text)}.history-item.active{background:var(--accent-soft);color:var(--accent);font-weight:500}.sidebar-footer{padding:8px 10px;border-top:1px solid var(--border);margin-top:auto}.session-label{font-size:1.4rem;color:var(--muted);word-break:break-all}.hamburger{display:none;position:fixed;top:12px;left:12px;z-index:200;width:36px;height:36px;background:#fff;border:1px solid var(--border);border-radius:8px;align-items:center;justify-content:center;cursor:pointer;color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.08)}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(33,33,33,.4);z-index:149}.chat-area{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;border-radius:1rem}.messages{flex:1;overflow-y:auto;scroll-behavior:smooth;padding:24px 16px 8px}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:40vh;gap:16px;padding:24px;text-align:center;animation:fadeIn .4s ease}.empty-state-icon{width:56px;height:56px;background:var(--accent);border-radius:16px;display:flex;align-items:center;justify-content:center}.empty-state-icon path{fill:#fff}.empty-state-icon .logo-svg{width:50%;height:50%}.empty-state h2{font-size:1.6rem;font-weight:700;color:var(--text)}.empty-state p{font-size:1.4rem;color:var(--muted);max-width:340px;line-height:1.5}.suggested-cards{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:var(--max-chat-w);margin-top:8px}.suggested-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:1rem;font-size:1.2rem;color:var(--muted);cursor:pointer;transition:border-color .15s,color .15s,box-shadow .15s;max-width:220px;text-align:left;line-height:1.4;display:flex;align-items:center;justify-content:center}.suggested-card:hover:not(.used){border-color:var(--accent);color:var(--accent);box-shadow:0 2px 10px rgba(0,73,219,0.1)}.suggested-card.used{opacity:0.5}.msg{display:flex;gap:14px;padding:12px 0;max-width:var(--max-chat-w);margin:0 auto;width:100%;animation:fadeIn .3s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.msg-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px}.msg.user{justify-content:flex-end}.msg.user .msg-body{flex:unset}.msg.user .msg-avatar{background:var(--surface);border:1px solid var(--border);color:var(--muted)}.msg.ai .msg-avatar{background:var(--accent);border:1px solid var(--accent);color:#fff}.msg-body{flex:1;min-width:0}.msg-role{font-size:1.4rem;font-weight:600;color:var(--muted);margin-bottom:4px}.msg-text{font-size:1.6rem;line-height:1.65;color:var(--text);word-break:break-word}.msg.user .msg-text{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 14px;display:inline-block;white-space:pre-wrap;max-width:100%}.msg.ai .msg-text{white-space:normal}.msg.ai .msg-text p{margin-bottom:.7em}.msg.ai .msg-text p:last-child{margin-bottom:0}.msg.ai .msg-text h1,
.msg.ai .msg-text h2,
.msg.ai .msg-text h3{margin:1em 0 .4em;font-weight:700;color:var(--text)}.msg.ai .msg-text ul,
.msg.ai .msg-text ol{padding-left:1.5em;margin-bottom:.6em}.msg.ai .msg-text li{margin-bottom:.25em}.msg.ai .msg-text strong{color:var(--text);font-weight:700}.msg.ai .msg-text a{color:var(--accent);text-decoration:underline}.msg.ai .msg-text code{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:2px 5px;font-family:'Fira Code','Cascadia Code',monospace;font-size:0.9em;color:var(--accent)}.msg.ai .msg-text pre{background:#1e1e2e;border-radius:8px;overflow:hidden;margin:.7em 0;border:1px solid var(--border);position:relative}.code-block-header{display:flex;align-items:center;justify-content:space-between;background:#2a2a3e;padding:8px 14px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.4rem;color:#9a9ab0;font-family:'Fira Code',monospace}.code-copy-btn{display:flex;align-items:center;gap:5px;background:none;border:none;color:#9a9ab0;font-size:1.4rem;cursor:pointer;padding:2px 6px;border-radius:4px;transition:color .15s,background .15s;font-family:inherit}.code-copy-btn:hover{color:#fff;background:rgba(255,255,255,.1)}.msg.ai .msg-text pre code{display:block;background:none;padding:12px 14px;overflow-x:auto;font-size:1em;line-height:1.6;color:#e8e8f0;border:none}.msg.ai .msg-text table{width:100%;border-collapse:collapse;margin:.8em 0;font-size:1.4rem;border:1px solid var(--border);border-radius:8px;overflow:hidden;word-break:normal}.msg.ai .msg-text th{background:var(--surface);padding:8px 14px;text-align:left;font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}.msg.ai .msg-text td{padding:7px 14px;border-bottom:1px solid var(--border)}.msg.ai .msg-text tr:last-child td{border-bottom:none}.msg.ai .msg-text tr:nth-child(even) td{background:rgb(0 1 219/2%)}.cursor::after{content:'|';display:inline-block;animation:blink .6s step-start infinite;color:var(--accent);margin-left:1px;font-weight:300}@keyframes blink{50%{opacity:0}}.msg-text.error{color:var(--error)}.input-wrap{padding:12px 16px 0;position:relative}.input-bar{display:flex;align-items:flex-end;gap:0.4rem;background:#fff;border:1px solid var(--border);border-radius:14px;padding:10px 10px 10px 16px;max-width:var(--max-chat-w);margin:0 auto;box-shadow:0 2px 12px rgba(33,33,33,.08);transition:border-color .15s,box-shadow .15s}.input-bar:focus-within{border-color:var(--accent);box-shadow:0 2px 12px rgba(0,62,219,0.12)}.input-field{flex:1;background:transparent;border:none;color:var(--text);padding:2px 10px 2px 0;font-size:1.4rem;font-family:inherit;resize:none;max-height:16rem;overflow-y:auto;outline:none;line-height:1.6}.input-field::placeholder{color:var(--muted)}.input-field::-webkit-scrollbar{width:4px}.input-field::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.input-field_label{align-self:stretch;display:flex;align-items:center;justify-content:center;width:100%;margin-bottom:0}.btn-send{width:36px;height:36px;background:var(--accent);border:none;border-radius:9px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s;align-self:flex-end}.btn-send:hover:not(:disabled){background:var(--accent-hv);transform:scale(1.04)}.btn-send:disabled{background:var(--surface);color:var(--muted);cursor:not-allowed;opacity:.6}.btn-send svg{width:16px;height:16px}.input-hint{text-align:center;font-size:1.2rem;color:var(--muted);margin-top:8px;max-width:var(--max-chat-w);margin-left:auto;margin-right:auto}.btn-attach{width:36px;height:36px;background:transparent;border:1px solid var(--border);border-radius:9px;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:color .15s,border-color .15s,background .15s;align-self:flex-end;margin-right:6px}.btn-attach:hover:not(:disabled){color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.btn-attach:disabled{opacity:.4;cursor:not-allowed}.btn-suggest{width:36px;height:36px;background:transparent;border:1px solid var(--border);border-radius:9px;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.2rem;font-weight:700;transition:color .15s,border-color .15s,background .15s;align-self:flex-end}.btn-suggest:hover,
.btn-suggest.active{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.suggest-popup{position:absolute;bottom:calc(100% - 20px);right:16px;margin-bottom:6px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.13);z-index:200;min-width:290px;max-width:440px;overflow:hidden;animation:fadeIn .15s ease}.suggest-popup-list{display:flex;flex-direction:column;padding:6px;max-height:340px;overflow-y:auto}.suggest-popup-list::-webkit-scrollbar{width:4px}.suggest-popup-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.suggest-popup-item{padding:9px 12px;font-size:1.4rem;color:var(--muted);cursor:pointer;border-radius:8px;line-height:1.4;transition:background .1s,color .1s}.suggest-popup-item:hover:not(.used){background:var(--accent-soft);color:var(--accent)}.suggest-popup-item.used{opacity:0.5}.input-bar.drag-over{border-color:var(--accent);background:var(--accent-soft)}.msg-text.upload-info{color:var(--muted);font-size:1.2rem;font-style:italic}.sidebar-files-section{padding:0 4px;flex-shrink:0}.files-section-header{display:flex;align-items:center;justify-content:space-between;padding-right:2px;cursor:pointer;user-select:none}.files-section-header:hover .files-toggle-btn{color:var(--accent);border-color:var(--accent)}.files-toggle-btn{width:20px;height:20px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:none;border:1px solid var(--border);border-radius:50%;color:var(--muted);cursor:pointer!important;padding:0;transition:color .15s,border-color .15s,background .15s}.files-toggle-btn:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent);cursor:pointer!important}.files-toggle-btn .icon-minus{display:none}.files-toggle-btn .icon-plus{display:block}.files-toggle-btn[aria-expanded="true"] .icon-plus{display:none}.files-toggle-btn[aria-expanded="true"] .icon-minus{display:block}.files-list{max-height:140px;overflow-y:auto;display:flex;flex-direction:column;gap:2px;transition:max-height .25s ease,opacity .2s ease}.files-list.files-list-collapsed{max-height:0!important;overflow:hidden;opacity:0}.files-list::-webkit-scrollbar{width:4px}.files-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.files-empty{font-size:1.4rem;color:var(--muted);padding:4px 6px 8px;font-style:italic}.file-item{display:flex;align-items:center;gap:6px;padding:5px 6px;border-radius:6px;transition:background .15s}.file-item:hover{background:var(--surface)}.file-item-name{flex:1;font-size:1.4rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.file-item-size{font-size:1.4rem;color:var(--muted);flex-shrink:0;white-space:nowrap}.file-item-actions{display:flex;gap:2px;flex-shrink:0}.file-action-btn{width:22px;height:22px;background:none;border:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .15s,background .15s;padding:0}.file-action-btn:hover{color:var(--text);background:var(--surface)}.file-action-delete:hover{color:var(--error);background:var(--accent-soft)}@media (max-width: 640px){.hamburger{display:flex}.sidebar{position:fixed;top:0;left:0;height:100%;z-index:150;transform:translateX(-100%);box-shadow:2px 0 24px rgba(33,33,33,.12)}.sidebar.open{transform:translateX(0)}.sidebar-overlay.visible{display:block}.messages{padding:56px 12px 8px}.msg{padding:10px 0}.input-wrap{padding:8px 12px 16px}.suggested-cards{flex-direction:column;align-items:center}.suggested-card{max-width:100%;width:100%}}.mode-toggle{display:flex;margin:2px 4px 6px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:3px;gap:3px}.mode-btn{flex:1;padding:7px 10px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-size:1.4rem;font-family:inherit;font-weight:500;cursor:pointer;transition:background .15s,color .15s}.mode-btn:hover:not(.active){background:#fff;color:var(--text)}.mode-btn.active{background:var(--accent);color:#fff;font-weight:600}.retention-notice{display:flex;align-items:center;gap:5px;font-size:1.4rem;color:var(--muted);padding:4px 2px;margin:5px 0 0;border:1px solid transparent;border-radius:7px;transition:background .2s,color .2s,border-color .2s,padding .2s}.retention-notice.legal-retention{color:var(--accent);background:var(--accent-soft);border-color:rgba(219,0,0,.2);padding:6px 10px}.retention-notice svg{flex-shrink:0;opacity:.7}.aichat__modal{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.2);z-index:1014;transition:opacity 0.3s}.aichat__modal.hiden{opacity:0;pointer-events:none}.aichat__header{background:#3480F7;display:flex;gap:1rem;align-items:center;color:#FFF;width:100rem;max-width:100%;margin:0 auto;border-radius:2rem;padding:1.5rem}.aichat__header__logo{width:4rem;height:4rem;flex-shrink:0}.aichat__header__text{display:flex;flex-direction:column;gap:0.8rem}.aichat__header__h{font-size:1.8rem;margin:0;padding:0;color:#FFF}.aichat__header__p{font-size:1.5rem;margin:0;padding:0}.aichat__main{background:#FFF;padding:2rem;border-radius:1rem;width:90%;height:92dvh;position:relative}.aichat__close{width:3rem;height:3rem;position:absolute;top:-1rem;right:-1rem;display:flex;align-items:center;justify-content:center;background:#FFF;box-shadow:1px 1px 10px 0px rgba(0,0,0,0.2)!important;transition:box-shadow 0.3s;border-radius:50%;border:none}.aichat__close svg{width:60%;height:60%}.aichat__close:hover{box-shadow:1px 11px 10px 0px rgba(0,0,0,0.2)!important}