:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--color-woodsmoke: #100e11;--color-dove-gray: #706b68;--color-pink-swan: #c0b5b3;--color-bulgarian-rose: #490206;--color-sepia-black: #2c0001;--color-white: #ffffff;--color-light-pink: #f5f0f0;--color-accent-red: #6b0206;--color-muted-pink: #e8dedd;--gradient-primary: linear-gradient( 135deg, var(--color-sepia-black) 0%, var(--color-bulgarian-rose) 100% );--gradient-secondary: linear-gradient( 135deg, var(--color-dove-gray) 0%, var(--color-pink-swan) 100% );--gradient-accent: linear-gradient( 135deg, var(--color-bulgarian-rose) 0%, var(--color-accent-red) 100% );--shadow-sm: 0 2px 4px rgba(16, 14, 17, .1);--shadow-md: 0 4px 12px rgba(16, 14, 17, .15);--shadow-lg: 0 8px 24px rgba(16, 14, 17, .2);--shadow-xl: 0 16px 40px rgba(16, 14, 17, .25);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 50px;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.chat-container{display:flex;height:100vh;width:100vw;background:var(--color-light-pink);color:var(--color-woodsmoke);font-family:var(--font-primary);position:relative;overflow:hidden}.chat-sidebar{width:280px;background:var(--gradient-primary);color:var(--color-white);padding:24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;border-right:1px solid rgba(192,181,179,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative}.chat-sidebar:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#ffffff05,#fff0);pointer-events:none}.sidebar-title{font-size:20px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px;display:flex;align-items:center;gap:8px}.sidebar-subtitle{font-size:14px;color:var(--color-pink-swan);font-weight:400;margin-bottom:16px}.user-list{list-style:none;display:flex;flex-direction:column;gap:4px}.user-item{padding:12px 16px;border-radius:var(--radius-md);color:var(--color-pink-swan);cursor:pointer;font-weight:500;font-size:14px;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.user-item:hover{background:#ffffff14;color:var(--color-white);transform:translateY(-1px)}.user-item.selected{background:#ffffff1f;color:var(--color-white);font-weight:600;box-shadow:var(--shadow-sm)}.user-item.current-user{background:var(--gradient-accent);color:var(--color-white);font-weight:600}.chat-section{flex:1;display:flex;flex-direction:column;background:var(--color-white);position:relative}.chat-header{background:var(--color-white);padding:20px 32px;border-bottom:1px solid var(--color-muted-pink);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.chat-header h1{font-size:28px;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.03em}.chat-status{font-size:14px;color:var(--color-dove-gray);font-weight:500;margin-top:4px;display:flex;align-items:center;gap:8px}.status-indicator{width:8px;height:8px;border-radius:50%;background:var(--color-bulgarian-rose);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.messages-area{flex:1;padding:32px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background:linear-gradient(180deg,var(--color-white) 0%,var(--color-light-pink) 100%);position:relative}.messages-area:before{content:"";position:absolute;top:0;left:0;right:0;height:20px;background:linear-gradient(180deg,var(--color-white) 0%,transparent 100%);pointer-events:none;z-index:1}.chat-mode-header{text-align:center;margin-bottom:24px;padding:16px 24px;background:#fffc;border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--color-muted-pink)}.chat-mode-title{font-size:18px;font-weight:700;color:var(--color-woodsmoke);margin-bottom:4px}.chat-mode-subtitle{font-size:14px;color:var(--color-dove-gray)}.message-bubble{background:var(--color-white);padding:16px 20px;border-radius:var(--radius-lg);max-width:75%;align-self:flex-start;word-break:break-word;box-shadow:var(--shadow-sm);border:1px solid var(--color-muted-pink);position:relative;animation:slideInLeft .3s cubic-bezier(.4,0,.2,1)}.message-bubble.own-message{background:var(--gradient-accent);color:var(--color-white);align-self:flex-end;border:1px solid var(--color-bulgarian-rose);animation:slideInRight .3s cubic-bezier(.4,0,.2,1)}.message-author{font-weight:700;font-size:14px;margin-bottom:4px;color:var(--color-bulgarian-rose)}.message-bubble.own-message .message-author{color:var(--color-pink-swan)}.message-text{font-size:15px;line-height:1.5;color:var(--color-woodsmoke)}.message-bubble.own-message .message-text{color:var(--color-white)}.message-time{font-size:12px;color:var(--color-dove-gray);margin-top:4px;opacity:.7}.message-bubble.own-message .message-time{color:var(--color-pink-swan)}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.summary-modal-overlay{position:fixed;inset:0;background:#100e1199;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s cubic-bezier(.4,0,.2,1)}.summary-modal{background:var(--color-white);border-radius:var(--radius-xl);padding:32px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-xl);border:1px solid var(--color-muted-pink);position:relative;animation:slideInUp .3s cubic-bezier(.4,0,.2,1)}.summary-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--color-muted-pink)}.summary-title{font-size:24px;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:flex;align-items:center;gap:12px}.summary-close{background:none;border:none;font-size:24px;color:var(--color-dove-gray);cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:all .2s ease}.summary-close:hover{background:var(--color-muted-pink);color:var(--color-woodsmoke)}.summary-content{font-size:16px;line-height:1.7;color:var(--color-woodsmoke);background:var(--color-light-pink);padding:24px;border-radius:var(--radius-lg);border-left:4px solid var(--color-bulgarian-rose)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInUp{0%{opacity:0;transform:translateY(40px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.input-form{display:flex;padding:24px 32px;border-top:1px solid var(--color-muted-pink);gap:16px;background:var(--color-white);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.input-field{flex:1;padding:14px 20px;border-radius:var(--radius-full);border:2px solid var(--color-muted-pink);outline:none;font-size:15px;background:var(--color-white);color:var(--color-woodsmoke);transition:all .2s cubic-bezier(.4,0,.2,1);font-family:var(--font-primary)}.input-field:focus{border-color:var(--color-bulgarian-rose);box-shadow:0 0 0 4px #4902061a;transform:translateY(-1px)}.input-field::placeholder{color:var(--color-dove-gray);font-weight:400}.send-button{background:var(--gradient-accent);color:var(--color-white);border:none;padding:14px 24px;border-radius:var(--radius-full);cursor:pointer;font-weight:700;font-size:14px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);min-width:80px}.send-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.send-button:active{transform:translateY(0)}.summarize-button{background:var(--gradient-secondary);color:var(--color-white);border:none;padding:12px 20px;border-radius:var(--radius-full);cursor:pointer;font-weight:600;font-size:14px;align-self:flex-end;margin-top:16px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:8px}.summarize-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background:linear-gradient(135deg,var(--color-dove-gray) 0%,var(--color-woodsmoke) 100%)}@media (max-width: 768px){.chat-container{flex-direction:column}.chat-sidebar{width:100%;height:200px;order:2}.chat-section{order:1;height:calc(100vh - 200px)}.messages-area,.input-form{padding:16px}.message-bubble{max-width:90%}.summary-modal{margin:16px;padding:24px}}.login-container{height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);padding:20px;position:fixed;top:0;left:0;overflow:hidden;box-sizing:border-box}.login-container:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(192,181,179,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(73,2,6,.1) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(112,107,104,.05) 0%,transparent 50%);pointer-events:none}.login-card{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);padding:48px 40px;box-shadow:var(--shadow-xl);border:1px solid rgba(192,181,179,.2);max-width:420px;width:100%;position:relative;animation:loginCardIn .6s cubic-bezier(.4,0,.2,1)}.login-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border-radius:var(--radius-xl);pointer-events:none}@keyframes loginCardIn{0%{opacity:0;transform:translateY(40px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.login-header{text-align:center;margin-bottom:40px}.login-title{font-size:32px;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;letter-spacing:-.03em}.login-subtitle{font-size:16px;color:var(--color-dove-gray);font-weight:500;line-height:1.5}.login-form{display:flex;flex-direction:column;gap:24px}.login-input-group{position:relative}.login-input{width:100%;padding:18px 24px;border:2px solid var(--color-muted-pink);border-radius:var(--radius-lg);font-size:16px;font-family:var(--font-primary);background:var(--color-white);color:var(--color-woodsmoke);transition:all .3s cubic-bezier(.4,0,.2,1);outline:none}.login-input:focus{border-color:var(--color-bulgarian-rose);box-shadow:0 0 0 4px #4902061a;transform:translateY(-2px)}.login-input::placeholder{color:var(--color-dove-gray);font-weight:400}.login-input:focus::placeholder{opacity:.7;transform:translateY(-2px)}.login-button{background:var(--gradient-accent);color:var(--color-white);border:none;padding:18px 32px;border-radius:var(--radius-lg);font-size:16px;font-weight:700;font-family:var(--font-primary);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.login-button:hover:not(:disabled){transform:translateY(-3px);box-shadow:var(--shadow-lg)}.login-button:active:not(:disabled){transform:translateY(-1px)}.login-button:disabled{background:var(--color-dove-gray);cursor:not-allowed;box-shadow:var(--shadow-sm)}.login-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.login-button:hover:not(:disabled):before{left:100%}.login-features{margin-top:32px;padding-top:24px;border-top:1px solid var(--color-muted-pink)}.login-features-title{font-size:14px;font-weight:600;color:var(--color-woodsmoke);margin-bottom:16px;text-align:center}.login-features-list{display:flex;flex-direction:column;gap:12px}.login-feature-item{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--color-dove-gray);font-weight:500}.login-feature-icon{width:20px;height:20px;border-radius:50%;background:var(--gradient-secondary);display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}.login-decorative-dots{position:absolute;top:20px;right:20px;display:flex;gap:8px}.login-dot{width:8px;height:8px;border-radius:50%;background:var(--color-pink-swan);opacity:.6;animation:loginDotPulse 2s infinite}.login-dot:nth-child(2){animation-delay:.5s;background:var(--color-dove-gray)}.login-dot:nth-child(3){animation-delay:1s;background:var(--color-bulgarian-rose)}@keyframes loginDotPulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}}@media (max-width: 480px){.login-card{padding:32px 24px;margin:16px}.login-title{font-size:28px}.login-input,.login-button{padding:16px 20px}}.messages-area::-webkit-scrollbar,.chat-sidebar::-webkit-scrollbar,.summary-modal::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track,.chat-sidebar::-webkit-scrollbar-track,.summary-modal::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:var(--color-muted-pink);border-radius:var(--radius-full)}.chat-sidebar::-webkit-scrollbar-thumb,.summary-modal::-webkit-scrollbar-thumb{background:#fff3;border-radius:var(--radius-full)}.messages-area::-webkit-scrollbar-thumb:hover,.chat-sidebar::-webkit-scrollbar-thumb:hover,.summary-modal::-webkit-scrollbar-thumb:hover{background:var(--color-dove-gray)}