:root{--green:#00ff41;--dark:#0a0a0a;--dim-green:#0c3;--bright-green:#3f7;--amber:#ffb000;--white:#e0e0e0;--font-mono:"IBM Plex Mono","Courier New",monospace}*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;background:var(--dark);color:var(--green);font-family:var(--font-mono);font-size:14px;line-height:1.6;overflow:hidden}.matrix-rain{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}.chat-container,.chat-header,.chat-input-area,.messages-area,.welcome-screen{position:relative;z-index:1}body:after{content:"";position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,255,65,.03),rgba(0,255,65,.03) 1px,transparent 0,transparent 3px)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--dark)}::-webkit-scrollbar-thumb{background:var(--dim-green);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--green)}::selection{background:var(--green);color:var(--dark)}.chat-container{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:720px;margin:0 auto;position:relative;overflow-x:hidden}.chat-header{padding:16px 20px;border-bottom:2px solid var(--dim-green);display:flex;align-items:center;justify-content:space-between}.chat-header h1{font-size:16px;font-weight:700;color:var(--amber);letter-spacing:1px}.new-chat-btn{background:var(--green);border:1px solid var(--green);color:var(--dark);font-family:var(--font-mono);font-size:20px;line-height:1;width:32px;height:32px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s}.new-chat-btn:hover{background:var(--bright-green);border-color:var(--bright-green)}.welcome-screen{flex:1 1;display:flex;align-items:center;justify-content:center;padding:40px 20px;pointer-events:none}.welcome-content{text-align:center;max-width:560px;width:100%;pointer-events:auto}.welcome-title{font-size:24px;font-weight:700;color:var(--amber);margin-bottom:8px}.welcome-subtitle{font-size:13px;color:var(--dim-green);margin-bottom:32px}.suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.suggestion-chip{background:transparent;border:1px solid var(--green);color:var(--green);font-family:var(--font-mono);font-size:12px;padding:8px 16px;cursor:pointer;transition:all .4s ease;opacity:.85;animation:chipFade .6s ease-out var(--delay) both}.suggestion-chip.active,.suggestion-chip:hover{border-color:var(--bright-green);color:var(--bright-green);opacity:1}@keyframes chipFade{0%{opacity:0;transform:translateY(8px)}to{opacity:.85;transform:translateY(0)}}.input-wrapper{border-top:2px solid var(--dim-green)}.input-wrapper.input-centered{border-top:none;position:absolute;bottom:40px;left:50%;transform:translateX(-50%);width:100%;max-width:600px;padding:0 20px}.chat-active .chat-header{padding:12px 20px;border-bottom:1px solid var(--dim-green);text-align:left}.chat-active .input-wrapper{position:static;transform:none;max-width:none;padding:0}.messages-area{flex:1 1;min-width:0;overflow-y:auto;overflow-x:hidden;padding:16px 20px;display:flex;flex-direction:column;gap:16px}.message{max-width:85%;padding:10px 14px;border-radius:4px;font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.message.user{align-self:flex-end;background:rgba(0,255,65,.08);color:var(--white)}.message.assistant,.message.user{border:1px solid var(--dim-green)}.message.assistant{align-self:flex-start;background:transparent;color:var(--green)}.message .role-label{font-size:10px;font-weight:700;margin-bottom:4px;letter-spacing:2px;text-transform:uppercase}.message.user .role-label{color:var(--bright-green)}.message.assistant .role-label{color:var(--amber)}.content p{margin:0 0 6px}.content p:last-child{margin-bottom:0}.content strong{color:var(--bright-green)}.content a,.content em{color:var(--amber)}.content a{text-decoration:underline}.content a:hover{color:var(--bright-green)}.content code{background:rgba(0,255,65,.1);padding:1px 5px;border-radius:2px;font-size:12px}.content ol,.content ul{padding-left:18px;margin:4px 0}.content li{margin-bottom:2px}.content h1,.content h2,.content h3{font-size:14px;margin:8px 0 4px;color:var(--amber)}.message .timestamp{font-size:9px;color:var(--dim-green);margin-top:6px;text-align:right}.chart-card{align-self:flex-start;max-width:100%;border:1px solid var(--dim-green);border-radius:4px;padding:8px;background:rgba(0,255,65,.03)}.chart-card img{display:block;max-width:100%;height:auto}.chart-card .chart-alt{font-size:10px;color:var(--dim-green);margin-top:4px;text-align:center}.chat-image{align-self:flex-start;max-width:100%;border:1px solid var(--dim-green);border-radius:4px;overflow:hidden}.chat-image img{display:block;max-width:100%;height:auto}.chat-image-caption{display:block;font-size:10px;color:var(--dim-green);padding:4px 8px;text-align:center;border-top:1px solid var(--dim-green);background:rgba(0,255,65,.03)}.chat-timeline{align-self:flex-start;max-width:100%}.timeline-list{list-style:none;position:relative;padding-left:24px;border-left:2px solid var(--dim-green)}.timeline-item{position:relative;margin-bottom:16px}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:-30px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid var(--dark)}.timeline-date{font-size:10px;color:var(--amber);text-transform:uppercase;letter-spacing:1px}.timeline-title{font-size:13px;color:var(--bright-green);margin:2px 0;font-weight:700}.timeline-desc{line-height:1.5}.timeline-desc,.typing-indicator{font-size:12px;color:var(--dim-green)}.typing-indicator{align-self:flex-start;padding:8px 14px;border:1px solid var(--dim-green);border-radius:4px}.typing-indicator .cursor{display:inline-block;width:8px;height:14px;background:var(--green);margin-left:2px;animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}.chat-input-area{padding:12px 20px;border-top:2px solid var(--dim-green);display:flex;gap:8px}.chat-input-area form{display:flex;width:100%;gap:8px}.chat-input-area input{flex:1 1;min-width:0;background:transparent;border:1px solid var(--dim-green);color:var(--green);font-family:var(--font-mono);font-size:14px;padding:10px 14px;outline:none;caret-color:var(--green)}.chat-input-area input:focus{border-color:var(--green)}.chat-input-area input::placeholder{color:var(--dim-green)}.chat-input-area button{flex-shrink:0;background:var(--green);border:1px solid var(--green);color:var(--dark);font-family:var(--font-mono);font-size:13px;font-weight:700;padding:10px 20px;cursor:pointer;letter-spacing:2px;text-transform:uppercase;transition:background .15s,border-color .15s}.chat-input-area button:hover{background:var(--bright-green);border-color:var(--bright-green)}.chat-input-area button:disabled{border-color:var(--dim-green);cursor:not-allowed}.chat-input-area button:disabled,.chat-input-area button:disabled:hover{background:transparent;color:var(--dim-green)}.system-message{align-self:center;font-size:11px;color:var(--amber);padding:6px 12px;border:1px dashed var(--dim-green);border-radius:4px}.empty-state{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--dim-green);text-align:center;padding:40px}.empty-state .prompt{font-size:13px;margin-top:12px;max-width:400px;line-height:1.8}@media (max-width:640px){body,html{font-size:13px}.chat-container{max-width:100%}.chat-header{padding:12px}.chat-header h1{font-size:14px}.welcome-screen{padding:24px 16px}.welcome-title{font-size:20px}.welcome-subtitle{font-size:11px;margin-bottom:24px}.suggestions{flex-direction:column;gap:6px}.suggestion-chip{width:100%;text-align:center;padding:10px 12px;font-size:11px}.messages-area{padding:12px;gap:12px}.message{max-width:92%;padding:8px 10px;font-size:12px}.chat-input-area{padding:10px 12px}.chat-input-area input{font-size:16px;padding:8px 12px}.chat-input-area button{font-size:12px;padding:8px 14px;letter-spacing:1px}.input-wrapper.input-centered{bottom:24px;max-width:100%;padding:0 12px}.chart-card{max-width:100%}}