*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#080c10;--bg-secondary:#0d1117;--bg-card:#111820;--bg-input:#161d26;--bg-hover:#1a2332;--accent-primary:#00c896;--accent-secondary:#00a87e;--accent-glow:rgba(0,200,150,.15);--accent-glow-strong:rgba(0,200,150,.3);--text-primary:#e8f0f8;--text-secondary:#7a8fa8;--text-muted:#456;--border-subtle:hsla(0,0%,100%,.06);--border-accent:rgba(0,200,150,.3);--danger:#ff4757;--warning:#ffa502;--success:#00c896;--font-main:"Sora",sans-serif;--font-mono:"JetBrains Mono",monospace;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--shadow-card:0 4px 24px rgba(0,0,0,.4);--shadow-glow:0 0 30px 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infinite}.login-orb-1{width:300px;height:300px;background:rgba(0,200,150,.08);top:-100px;right:-50px}.login-orb-2{width:250px;height:250px;background:rgba(108,92,231,.06);bottom:-80px;left:-60px;animation-delay:-7s}.login-orb-3{width:200px;height:200px;background:rgba(0,200,150,.05);top:50%;left:50%;animation-delay:-14s}.login-container{position:relative;z-index:1;gap:32px;padding:20px;width:100%;max-width:420px;animation:fadeSlideUp .6s ease forwards}.login-container,.login-logo-section{display:flex;flex-direction:column;align-items:center}.login-logo-section{text-align:center;gap:12px}.login-logo-mark{width:56px;height:56px;border-radius:16px;background:var(--accent-glow);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;animation:glow-pulse 3s ease-in-out infinite}.login-title{font-size:28px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.login-subtitle{font-size:13px;color:var(--text-muted);letter-spacing:.3px}.login-card{width:100%;background:rgba(17,24,32,.8);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-card)}.login-card-header{margin-bottom:24px}.login-card-title{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.login-card-desc{font-size:13px;color:var(--text-secondary)}.login-form{gap:18px}.login-field,.login-form{display:flex;flex-direction:column}.login-field{gap:6px}.login-label{font-size:12px;font-weight:500;color:var(--text-secondary);letter-spacing:.3px;text-transform:uppercase}.login-input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:var(--font-main);outline:none;transition:border-color .2s,box-shadow .2s}.login-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.login-input::placeholder{color:var(--text-muted)}.login-error{background:rgba(255,71,87,.08);border:1px solid rgba(255,71,87,.2);border-radius:var(--radius-sm);color:var(--danger)}.login-error,.login-success{display:flex;align-items:center;gap:8px;padding:10px 14px;font-size:13px}.login-success{background:rgba(0,200,150,.08);border:1px solid rgba(0,200,150,.2);border-radius:var(--radius-sm);color:var(--success)}.login-submit{width:100%;padding:12px;background:linear-gradient(135deg,var(--accent-secondary),var(--accent-primary));border:none;border-radius:var(--radius-sm);color:#000;font-size:14px;font-weight:600;font-family:var(--font-main);cursor:pointer;transition:all 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.2s}.login-toggle:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.login-footer{font-size:12px;color:var(--text-muted);text-align:center}.chat-root{display:flex;flex-direction:column;height:100vh;background:var(--bg-primary);position:relative;overflow:hidden}.chat-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,200,150,.03) 1px,transparent 0),linear-gradient(90deg,rgba(0,200,150,.03) 1px,transparent 0);background-size:40px 40px;pointer-events:none;z-index:0}.chat-header{justify-content:space-between;padding:0 24px;height:64px;background:rgba(13,17,23,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);position:relative;z-index:10;flex-shrink:0}.chat-header,.chat-header-left{display:flex;align-items:center}.chat-header-left{gap:12px}.chat-logo-mark{width:40px;height:40px;border-radius:10px;background:var(--accent-glow);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center}.chat-logo-text{font-size:16px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px;line-height:1.2}.chat-online-count{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--accent-primary);font-weight:500}.chat-online-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-primary);display:inline-block;animation:statusPulse 2s ease-in-out infinite}.chat-header-right{display:flex;align-items:center;gap:10px}.chat-members-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12px;font-family:var(--font-main);cursor:pointer;transition:all 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var(--border-subtle);border-bottom-left-radius:4px}.msg-sender{display:block;font-size:11px;font-weight:600;margin-bottom:4px;letter-spacing:.2px}.msg-text{font-size:14px;line-height:1.55;color:var(--text-primary);white-space:pre-wrap;word-break:break-word}.msg-time{display:block;font-size:10px;color:hsla(0,0%,100%,.3);margin-top:4px;font-family:var(--font-mono);text-align:right}.msg-bubble-own .msg-time{color:rgba(0,0,0,.35)}.typing-wrapper{display:flex;align-items:flex-end;gap:8px;padding:4px 0}.typing-bubble{padding:12px 16px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);border-bottom-left-radius:4px;display:flex;gap:5px;align-items:center}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-primary);display:inline-block;animation:pulse-dot 1.4s ease-in-out infinite}.chat-input-area{padding:12px 20px 16px;background:var(--bg-secondary);border-top:1px solid var(--border-subtle);max-width:800px;width:100%;margin:0 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var(--accent-glow-strong)}.chat-input-hint{font-size:11px;color:var(--text-muted);text-align:center;margin-top:8px;letter-spacing:.2px}.chat-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text-secondary);font-size:14px}.chat-loading-spinner{width:32px;height:32px;border:3px solid var(--border-subtle);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@media (max-width:768px){.chat-sidebar{position:absolute;top:0;left:0;bottom:0;z-index:20;width:280px;box-shadow:4px 0 24px rgba(0,0,0,.5)}.chat-header{padding:0 16px}.chat-messages{padding:16px 12px}.chat-input-area{padding:8px 12px 12px}.msg-bubble{max-width:85%}.login-container{padding:16px}.login-card{padding:24px}}