.login-page{background:url(/login.avif) 50%/cover no-repeat fixed;justify-content:center;align-items:center;min-height:100dvh;padding:1rem;display:flex;position:relative}.login-page:before{content:"";-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:0;background:#0000008c;position:absolute;inset:0}.login-card{z-index:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:1.25rem;width:100%;max-width:380px;padding:2.5rem 2rem 2rem;display:flex;position:relative;box-shadow:0 8px 32px #0000004d}.login-brand{text-align:center;margin-bottom:.5rem}.login-brand-logo{object-fit:contain;border-radius:6px;width:auto;height:80px}[data-theme=dark] .login-brand-logo{background:#ffffffeb;border-radius:6px;padding:4px 6px}.login-title{color:var(--text);margin:0;font-size:1.4rem;font-weight:700}.login-subtitle{color:var(--text-3);margin:.25rem 0 0;font-size:.85rem}.login-label{color:var(--text);flex-direction:column;gap:.4rem;font-size:.85rem;font-weight:500;display:flex}.login-input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text);outline:none;padding:.65rem .85rem;font-size:16px;transition:border-color .15s,box-shadow .15s}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb14}[data-theme=dark] .login-input:focus{box-shadow:0 0 0 3px #6b8afd1a}.login-password-wrap{display:flex;position:relative}.login-password-wrap .login-input{flex:1;padding-right:2.5rem}.login-password-toggle{cursor:pointer;color:var(--text-3);background:0 0;border:none;justify-content:center;align-items:center;padding:4px;transition:color .12s;display:flex;position:absolute;top:50%;right:.6rem;transform:translateY(-50%)}.login-password-toggle:hover{color:var(--text-2)}.login-input:disabled{opacity:.6}.login-btn{border-radius:var(--radius-sm);background:var(--accent);color:#fff;cursor:pointer;border:none;margin-top:.25rem;padding:.7rem;font-size:.95rem;font-weight:600;transition:opacity .15s}.login-btn:hover:not(:disabled){opacity:.88}.login-btn:disabled{opacity:.45;cursor:not-allowed}.login-error{color:#dc2626;border-radius:var(--radius-sm);text-align:center;background:#dc262614;border:1px solid #dc262633;padding:.6rem .85rem;font-size:.85rem}[data-theme=dark] .login-error{color:#fca5a5;background:#f8717114;border-color:#f8717133}.login-partners-logos{justify-content:center;align-items:center;gap:1.25rem;margin-bottom:.75rem;display:flex}.login-logo-divider{background:var(--border);border-radius:1px;flex-shrink:0;width:1.5px;height:48px}@media (width<=480px){.login-card{padding:2rem 1.25rem 1.5rem}.login-brand-logo{height:42px}.login-title{font-size:1.2rem}}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-brand{border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:16px 14px;display:flex}.brand-icon{background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:auto;height:36px;display:flex;overflow:hidden}.brand-name{color:var(--text);letter-spacing:-.01em;font-size:16px;font-weight:700;line-height:1.25}.brand-sub{color:var(--text-2);margin-top:2px;font-size:12.5px;font-weight:500;display:block}.brand-logo{object-fit:contain;border-radius:6px;width:auto;max-width:100px;height:36px;display:block}[data-theme=dark] .brand-icon{background:#ffffffeb;border-radius:6px;padding:6px 8px}.btn-new-analysis{background:var(--card);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:8px;margin:12px;padding:10px 14px;font-size:13.5px;font-weight:600;transition:border-color .15s,color .15s,background .15s;display:flex}.btn-new-analysis:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.sidebar-search-wrap{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:7px;margin:0 12px 8px;padding:7px 10px;transition:border-color .15s;display:flex}.sidebar-search-wrap:focus-within{border-color:var(--accent)}.sidebar-search-icon{color:var(--text-3);flex-shrink:0}.sidebar-search-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:13px}.sidebar-search-input::placeholder{color:var(--text-3)}.sidebar-search-clear{cursor:pointer;color:var(--text-3);background:0 0;border:none;border-radius:3px;flex-shrink:0;align-items:center;padding:0;transition:color .1s;display:flex}.sidebar-search-clear:hover{color:var(--text)}.sidebar-nav{flex:1;padding:6px 0;overflow-y:auto}.sidebar-nav::-webkit-scrollbar{width:3px}.sidebar-nav::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.nav-section-label{color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:8px;padding:16px 16px 6px;font-size:11px;font-weight:700;display:flex}.sidebar-tride-logo{object-fit:contain;width:auto;height:16px}.nav-item{border-radius:var(--radius-sm);color:var(--text-2);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;margin:2px 8px;padding:10px 14px;font-size:13.5px;font-weight:500;transition:background .12s,color .12s;display:flex}.nav-item:hover{background:var(--border-xs);color:var(--text)}.nav-item.active{background:var(--nav-active-bg);color:var(--nav-active-tx);font-weight:600}.nav-item svg{opacity:.8;flex-shrink:0}.nav-item-disabled{cursor:default;pointer-events:none;opacity:.6}.nav-badge{background:var(--accent);color:#fff;border-radius:10px;margin-left:auto;padding:2px 7px;font-size:10px;font-weight:700;line-height:1.4}.nav-subitem{border-radius:var(--radius-xs);color:var(--text-2);cursor:pointer;align-items:center;gap:8px;margin:2px 8px;padding:10px 14px 10px 20px;font-size:13.5px;line-height:1.4;transition:background .1s,color .1s;display:flex;position:relative}.nav-subitem:before{content:"";background:var(--accent);border-radius:2px;width:3px;height:0;transition:height .15s;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.nav-subitem:hover{background:var(--border-xs);color:var(--text)}.nav-subitem.active{background:var(--nav-active-bg);color:var(--accent);font-weight:600}.nav-subitem.active:before{width:3px;height:20px}.nav-subitem-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.sub-del-btn{cursor:pointer;color:var(--text-3);opacity:0;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;min-width:22px;padding:2px 4px;font-size:12px;transition:opacity .1s,color .1s;display:flex}.sub-del-btn:hover{color:#dc2626;background:#dc262614}.nav-subitem:hover .sub-del-btn{opacity:1}.nav-empty{color:var(--text-3);padding:8px 14px 8px 22px;font-size:12.5px;font-style:italic}.sidebar-partners{justify-content:center;align-items:center;gap:16px;padding:12px 14px;display:flex}.sidebar-partner-logo{object-fit:contain;opacity:.85;border-radius:4px;width:auto;height:32px}.sidebar-bottom{border-top:1px solid var(--border);padding:8px 0 10px}.sidebar-bottom .nav-item{margin:2px 8px}.sidebar-logout{cursor:pointer;color:var(--text-2);text-align:left;border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:10px;width:calc(100% - 16px);padding:10px 14px;font-size:13.5px;font-weight:500;transition:background .12s,color .12s;display:flex}.sidebar-logout:hover{color:#dc2626;background:#dc26260f}[data-theme=dark] .sidebar-logout:hover{color:#fca5a5;background:#f8717114}.sidebar-powered{color:var(--text-3);opacity:.5;justify-content:center;align-items:center;gap:6px;padding:8px 14px 4px;font-size:10px;display:flex}.sidebar-powered-logo{object-fit:contain;width:auto;height:14px}.theme-btn{border:1px solid var(--border);cursor:pointer;width:30px;height:30px;color:var(--text-3);background:0 0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;font-size:13px;transition:background .12s,color .12s,border-color .12s;display:flex}.theme-btn:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-border)}.sidebar-overlay{display:none}@media (width<=1024px){.sidebar{z-index:100;width:300px;transition:transform .25s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:4px 0 24px #00000026}.sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000073;display:block;position:fixed;inset:0}}.topbar{background:var(--card);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;height:52px;padding:0 20px;display:flex}.topbar-train{color:var(--text);cursor:default;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;min-width:0;padding:5px 8px;font-size:14px;font-weight:600;display:flex;overflow:hidden}.topbar-train-text{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.topbar-title-logo{object-fit:contain;border-radius:3px;flex-shrink:0;width:auto;height:30px}[data-theme=dark] .topbar-title-logo{background:#ffffffe6;padding:1.5px 3px}.topbar-spacer{flex:1}.topbar-partners{align-items:center;gap:8px;margin-right:6px;display:flex}.topbar-partner-logo{object-fit:contain;border-radius:3px;width:auto}.topbar-logo-icf{height:26px}[data-theme=dark] .topbar-partner-logo{background:#ffffffe6;border-radius:4px;padding:2px 4px}.topbar-icon-btn{border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;width:34px;min-width:34px;height:34px;color:var(--text-2);background:0 0;flex-shrink:0;justify-content:center;align-items:center;transition:background .12s,color .12s,border-color .12s;display:flex}.topbar-icon-btn:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-border)}.topbar-hamburger{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;width:36px;min-width:36px;height:36px;color:var(--text-2);background:0 0;flex-shrink:0;justify-content:center;align-items:center;transition:background .12s;display:none}.topbar-hamburger:hover{background:var(--border-xs)}.topbar-company-logo{object-fit:contain;opacity:.4;flex-shrink:0;width:auto;height:20px;margin-left:2px}@media (width<=1024px){.topbar-hamburger{display:flex}.topbar{padding:0 12px}}@media (width<=480px){.topbar-share-btn{display:none}}.welcome-view{flex-direction:column;flex:1;min-height:0;display:flex;overflow-y:auto}.welcome-view::-webkit-scrollbar{width:4px}.welcome-view::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.hero-section{text-align:center;background:var(--bg);flex-direction:column;flex:1;align-items:center;padding:40px 24px 32px;display:flex;position:relative}.hero-status{color:var(--accent);align-items:center;gap:6px;margin-bottom:16px;font-size:12.5px;font-weight:500;display:flex}.hero-status-dot{background:#22c55e;border-radius:50%;width:7px;height:7px;animation:2s ease-in-out infinite statusPulse}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.5}}.hero-logo-wrap{justify-content:center;align-items:center;gap:1.25rem;margin-top:auto;margin-bottom:20px;display:flex}.hero-logo{object-fit:contain;border-radius:6px;width:auto}.hero-logo-icf,.hero-logo-railtel{height:80px}[data-theme=dark] .hero-logo{background:#ffffffeb;border-radius:6px;padding:4px 6px}.hero-logo-divider{background:var(--border);border-radius:1px;flex-shrink:0;width:1.5px;height:48px}.hero-title{color:var(--text);letter-spacing:-.03em;max-width:560px;margin-bottom:28px;font-size:28px;font-weight:700;line-height:1.25}.role-selector{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:20px;display:flex}.role-chip{border:1.5px solid var(--border);background:var(--card);color:var(--text-2);cursor:pointer;border-radius:20px;padding:6px 16px;font-size:13px;font-weight:500;transition:border-color .15s,background .15s,color .15s}@media (hover:hover){.role-chip:hover{border-color:var(--accent-border);color:var(--accent);background:var(--accent-soft)}}.role-chip.active{border-color:var(--accent);color:#fff;background:var(--accent)}.input-panel{background:var(--card);border:1px solid var(--border);width:100%;max-width:680px;box-shadow:var(--card-shadow-md);border-radius:24px;transition:border-color .15s,box-shadow .15s;overflow:hidden}.input-panel:focus-within{border-color:var(--accent-border);box-shadow:0 4px 12px #00000014,0 0 0 3px #2563eb0f}[data-theme=dark] .input-panel:focus-within{box-shadow:0 4px 12px #0000004d,0 0 0 3px #6b8afd14}.input-panel-textarea{width:100%;color:var(--text);resize:none;background:0 0;border:none;outline:none;min-height:52px;max-height:160px;padding:16px 20px 12px;font-family:inherit;font-size:16px;line-height:1.5}.input-panel-textarea::placeholder{color:var(--text-3)}.input-panel-toolbar{flex-shrink:0;align-items:center;gap:6px;padding:4px 12px 12px;display:flex}.input-chip{cursor:pointer;border:1.5px solid var(--border);background:var(--chip-bg);color:var(--text-2);border-radius:20px;flex-shrink:0;align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:500;transition:all .12s;display:flex}@media (hover:hover){.input-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}}.input-chip.primary{border-color:var(--accent-border);color:var(--accent);background:var(--accent-soft)}.input-spacer{flex:1}.input-mic-btn{cursor:pointer;width:34px;height:34px;color:var(--text-3);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:color .12s;display:flex}@media 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(hover:hover){.feedback-panel-submit:not(:disabled):hover{opacity:.88}}.feedback-panel-submit:not(:disabled):active{transform:scale(.97)}.suggestion-chips{flex-wrap:wrap;gap:6px;margin-top:8px;padding:0 2px;display:flex}.suggestion-chip{border:1px solid var(--border);background:var(--card);color:var(--text-2);cursor:pointer;white-space:normal;word-break:break-word;text-align:left;border-radius:16px;padding:6px 14px;font-size:12.5px;line-height:1.4;transition:border-color .15s,background .15s,color .15s}@media (hover:hover){.suggestion-chip:hover{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent)}}@media (width<=768px){.msg-row{gap:10px;max-width:100%}.msg-row.user .msg-bubble-wrap{max-width:85%}.msg-bubble{padding:10px 14px;font-size:13.5px}.msg-avatar{width:26px;height:26px;font-size:8px}.msg-row.user .msg-avatar{font-size:8px}.msg-row.assistant .msg-avatar{font-size:12px}.msg-meta{font-size:10px}.msg-bubble-md h1{font-size:15px}.msg-bubble-md 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