:root{--blue: #1B6BC4;--blue-dark: #144F94;--blue-mid: #2278D4;--blue-light: #E8F1FB;--orange: #F7A020;--green: #5DB329;--navy: #0A1628;--font-body: "DM Sans", "Plus Jakarta Sans", system-ui, sans-serif;--font-heading: "Plus Jakarta Sans", "DM Sans", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--sidebar-width: 280px;--radius: 8px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-body);font-size:14px;color:#1a1a2e;background:#f5f7fa;-webkit-font-smoothing:antialiased}.app{display:flex;height:100%}.sidebar{width:var(--sidebar-width);background:var(--navy);color:#fff;display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.08)}.logo{font-family:var(--font-heading);font-size:24px;font-weight:700;color:var(--orange);letter-spacing:-.5px}.logo-subtitle{display:block;font-size:11px;color:#ffffff80;margin-top:4px;letter-spacing:.3px}.sidebar-nav{flex:1;padding:16px 20px}.sidebar-placeholder{font-size:13px;color:#ffffff59;font-style:italic}.sidebar-nav{overflow-y:auto}.chat-area{flex:1;display:flex;flex-direction:column;min-width:0}.chat-messages{flex:1;overflow-y:auto;padding:24px 32px}.chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:#6b7280}.chat-empty h2{font-family:var(--font-heading);font-size:22px;font-weight:600;color:var(--navy);margin-bottom:8px}.chat-empty p{font-size:15px;color:#9ca3af}.message{display:flex;margin-bottom:16px;max-width:720px}.message--user{margin-left:auto;justify-content:flex-end}.message--assistant{margin-right:auto;justify-content:flex-start}.message-bubble{padding:12px 16px;border-radius:var(--radius);line-height:1.55;font-size:14px;max-width:85%;white-space:pre-wrap;word-break:break-word}.message--user .message-bubble{background:var(--blue);color:#fff;border-bottom-right-radius:2px;box-shadow:var(--shadow-sm)}.message--assistant .message-bubble{background:#fff;color:#1a1a2e;border:1px solid #e5e7eb;border-bottom-left-radius:2px;box-shadow:var(--shadow-sm)}.chat-input-container{padding:16px 32px 24px;border-top:1px solid #e5e7eb;background:#fff}.chat-input-wrapper{display:flex;gap:12px;align-items:flex-end}.chat-input{flex:1;padding:12px 16px;border:1px solid #d1d5db;border-radius:var(--radius);font-family:var(--font-body);font-size:14px;resize:none;outline:none;min-height:44px;max-height:160px;line-height:1.5;transition:border-color .15s}.chat-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1b6bc41a}.chat-input::placeholder{color:#9ca3af}.chat-send-btn{padding:10px 20px;background:var(--blue);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-body);font-size:14px;font-weight:500;cursor:pointer;transition:background .15s;white-space:nowrap;height:44px}.chat-send-btn:hover:not(:disabled){background:var(--blue-dark)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;color:#6b7280;font-size:15px}.loading-spinner{width:24px;height:24px;border:3px solid rgba(27,107,196,.2);border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-screen{display:flex;align-items:center;justify-content:center;height:100%;background:linear-gradient(135deg,var(--navy) 0%,#1a2744 100%)}.login-card{background:#fff;border-radius:12px;padding:48px 40px;max-width:420px;width:100%;text-align:center;box-shadow:0 8px 32px #0003}.login-logo{font-family:var(--font-heading);font-size:36px;font-weight:700;color:var(--orange);letter-spacing:-1px;margin-bottom:4px}.login-subtitle{font-size:14px;color:#6b7280;margin-bottom:24px}.login-description{font-size:14px;color:#4b5563;line-height:1.6;margin-bottom:28px}.login-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:var(--radius);padding:10px 14px;font-size:13px;margin-bottom:20px;line-height:1.5}.login-btn{display:inline-block;padding:12px 32px;background:var(--blue);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-body);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s;width:100%}.login-btn:hover{background:var(--blue-dark)}.login-footer{margin-top:32px;font-size:12px;color:#9ca3af}.project-list{display:flex;flex-direction:column;gap:2px}.project-list-loading{display:flex;align-items:center;gap:10px;font-size:13px;color:#ffffff80;padding:8px 0}.project-list-loading .loading-spinner{width:16px;height:16px;border-width:2px;border-color:#fff3;border-top-color:#ffffffb3}.project-list-error{font-size:13px;color:#f87171;padding:8px 0}.project-list-empty{font-size:13px;color:#ffffff59;font-style:italic;padding:8px 0}.project-item{display:flex;flex-direction:column;gap:2px;width:100%;padding:10px 12px;background:transparent;border:none;border-left:3px solid transparent;border-radius:0 var(--radius) var(--radius) 0;color:#ffffffbf;font-family:var(--font-body);font-size:13px;text-align:left;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.project-item:hover{background:#ffffff0f;color:#fff}.project-item--selected{border-left-color:var(--orange);background:#ffffff14;color:#fff}.project-item-name{font-weight:500;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-item-status{font-size:11px;color:#fff6;text-transform:uppercase;letter-spacing:.3px}.project-item--selected .project-item-status{color:#ffffff8c}.user-info{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;gap:12px}.user-info-details{display:flex;flex-direction:column;min-width:0}.user-info-name{font-size:13px;font-weight:500;color:#ffffffd9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info-email{font-size:11px;color:#fff6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-info-logout{background:transparent;border:1px solid rgba(255,255,255,.15);color:#fff9;font-family:var(--font-body);font-size:12px;padding:5px 10px;border-radius:var(--radius);cursor:pointer;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}.user-info-logout:hover{background:#ffffff14;color:#ffffffd9;border-color:#ffffff40}.context-warning{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 32px;background:#fffbeb;border-bottom:1px solid #fde68a;color:#92400e;font-size:13px;line-height:1.5}.context-warning-text{flex:1}.context-warning-dismiss{background:transparent;border:none;color:#92400e;font-size:18px;cursor:pointer;padding:0 4px;line-height:1;opacity:.6;transition:opacity .15s}.context-warning-dismiss:hover{opacity:1}