.chat-section{background:linear-gradient(135deg,#f0fdfa,#eff6ff);min-height:calc(100vh - 70px);padding:55px 20px}.chat-container{background:#fff;border:1px solid #e5e7eb;border-radius:22px;flex-direction:column;width:100%;max-width:950px;height:680px;margin:0 auto;display:flex;overflow:hidden;box-shadow:0 18px 45px #0f172a1f}.chat-header{color:#fff;background:linear-gradient(135deg,#0f766e,#2563eb);justify-content:space-between;align-items:center;padding:24px 30px;display:flex}.chat-header h2{margin:0 0 6px;font-size:24px;font-weight:800}.chat-header p{opacity:.9;margin:0;font-size:14px}.chat-status{background:#ffffff29;border:1px solid #ffffff40;border-radius:999px;align-items:center;gap:7px;padding:8px 13px;font-size:13px;font-weight:700;display:inline-flex}.chat-status:before{content:"";background:#22c55e;border-radius:50%;width:8px;height:8px}.chat-messages{background:#f8fafc;flex:1;padding:28px;overflow-y:auto}.chat-message{align-items:flex-start;gap:12px;margin-bottom:22px;display:flex}.chat-avatar{color:#fff;background:#2563eb;border-radius:50%;flex:0 0 42px;justify-content:center;align-items:center;width:42px;height:42px;font-size:16px;font-weight:800;display:flex}.chat-message-content{background:#fff;border:1px solid #e5e7eb;border-radius:6px 16px 16px;max-width:75%;padding:13px 16px;box-shadow:0 3px 10px #0f172a0d}.chat-message-top{align-items:center;gap:12px;margin-bottom:5px;display:flex}.chat-message-top strong{color:#111827;font-size:14px}.chat-message-top span{color:#9ca3af;font-size:12px}.chat-message-content p{color:#374151;word-break:break-word;margin:0;font-size:15px;line-height:1.55}.chat-info{text-align:center;color:#6b7280;margin:0;padding:30px}.chat-error{color:#b91c1c;background:#fee2e2;border-radius:9px;margin:0 25px 12px;padding:11px 14px;font-size:14px;font-weight:600}.chat-form{background:#fff;border-top:1px solid #e5e7eb;grid-template-columns:1fr 120px;gap:10px;padding:18px 22px;display:grid}.chat-form input{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:10px;outline:none;min-width:0;padding:13px 14px}.chat-form input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1f}.chat-form button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:10px;padding:13px 18px;font-weight:700;transition:all .2s}.chat-form button:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px)}.chat-form button:disabled{opacity:.55;cursor:not-allowed}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:#f1f5f9}.chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}@media (width<=700px){.chat-section{padding:25px 12px}.chat-container{border-radius:16px;height:calc(100vh - 120px)}.chat-header{padding:20px}.chat-header h2{font-size:19px}.chat-header p{font-size:12px}.chat-status{padding:7px 10px;font-size:11px}.chat-messages{padding:20px 15px}.chat-message-content{max-width:85%}.chat-form{grid-template-columns:1fr 92px;padding:14px}.chat-form button{padding:13px 10px}}.app-navbar-top{align-items:center;display:flex}.app-navbar-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;padding:0;display:none}.app-navbar-toggle span{background:#1d4ed8;border-radius:2px;width:100%;height:2px;display:block}@media (width<=640px){.app-navbar{flex-wrap:wrap;row-gap:10px;justify-content:center!important;min-height:auto!important;padding:12px 16px!important}.app-navbar-top{justify-content:space-between;width:100%}.app-navbar-toggle{display:inline-flex}.app-navbar-links{border-top:1px solid #e5e7eb;width:100%;padding-top:12px;flex-direction:column!important;align-items:stretch!important;gap:12px!important;display:none!important}.app-navbar-links.is-open{display:flex!important}.app-header{padding:16px!important}.app-header-inner{text-align:center;justify-content:center!important}}