*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app{display:flex;flex-direction:column;height:100vh;max-width:900px;margin:0 auto;background:#fff;box-shadow:0 0 40px #0000001a}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.login-box{background:#fff;padding:40px;border-radius:20px;box-shadow:0 10px 40px #0003;width:100%;max-width:400px;text-align:center}.login-header{margin-bottom:30px}.login-icon{color:#667eea;margin-bottom:16px}.login-header h1{font-size:28px;color:#333;margin-bottom:8px}.login-header p{color:#666;font-size:14px}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{text-align:left}.form-group label{display:flex;align-items:center;gap:8px;margin-bottom:8px;color:#333;font-weight:500;font-size:14px}.login-input{width:100%;padding:14px 18px;border:2px solid #e0e0e0;border-radius:12px;font-size:15px;outline:none;transition:border-color .2s}.login-input:focus{border-color:#667eea}.login-input::placeholder{color:#aaa}.error-message{color:#e74c3c;font-size:14px;background:#fdeaea;padding:10px 14px;border-radius:8px;text-align:center}.login-button{width:100%;padding:14px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,opacity .2s}.login-button:hover{transform:translateY(-2px)}.login-button:active{transform:translateY(0)}.login-note{margin-top:20px;font-size:12px;color:#999}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.header-left{display:flex;align-items:center;gap:12px}.header-icon{width:40px;height:40px;opacity:.9}.header h1{font-size:20px;font-weight:600}.subtitle{font-size:13px;opacity:.9}.logout-button{background:#fff3;border:none;color:#fff;padding:10px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.logout-button:hover{background:#ffffff4d}.chat-container{flex:1;overflow-y:auto;padding:20px;background:#f8f9fa}.messages{display:flex;flex-direction:column;gap:16px}.welcome-message{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;min-height:300px;color:#667eea;text-align:center}.welcome-icon{margin-bottom:16px;opacity:.8}.welcome-message h2{font-size:24px;margin-bottom:8px;color:#333}.welcome-message p{font-size:16px;color:#666}.message{display:flex;gap:12px;max-width:80%;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.assistant{align-self:flex-start}.message-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.message.user .message-avatar{background:#e0e0e0;color:#666}.message-content{background:#fff;padding:14px 18px;border-radius:18px;box-shadow:0 2px 8px #00000014;font-size:15px;line-height:1.6;color:#333}.message.user .message-content{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.message-content p{margin:0}.message-content code{background:#0000000d;padding:2px 6px;border-radius:4px;font-family:Monaco,Consolas,monospace;font-size:13px}.message.user .message-content code{background:#fff3}.message-content pre{background:#f5f5f5;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message.user .message-content pre{background:#ffffff26}.loading{display:flex;align-items:center;gap:8px;color:#666}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.input-container{display:flex;gap:12px;padding:20px;background:#fff;border-top:1px solid #e0e0e0}.input-field{flex:1;padding:14px 20px;border:2px solid #e0e0e0;border-radius:25px;font-size:15px;outline:none;transition:border-color .2s}.input-field:focus{border-color:#667eea}.input-field:disabled{background:#f5f5f5;cursor:not-allowed}.send-button{width:50px;height:50px;border-radius:50%;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,opacity .2s}.send-button:hover:not(:disabled){transform:scale(1.05)}.send-button:disabled{opacity:.5;cursor:not-allowed}.markdown-body ul,.markdown-body ol{margin:8px 0;padding-left:24px}.markdown-body li{margin:4px 0}.markdown-body strong{font-weight:600}.markdown-body em{font-style:italic}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:12px 0 8px;font-weight:600}.markdown-body blockquote{border-left:3px solid #667eea;padding-left:12px;margin:8px 0;color:#666}/*! tailwindcss v4.2.2 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}