@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";@import"https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200";:root{--color-bg-primary: #0a0e17;--color-bg-secondary: #0f141f;--color-bg-tertiary: #1a1f2e;--color-bg-elevated: #1e2433;--color-bg-card: #252d3f;--color-brand-primary: #6366f1;--color-brand-secondary: #8b5cf6;--color-brand-accent: #ec4899;--gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--gradient-brand-hover: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #f472b6 100%);--gradient-blue: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);--gradient-purple: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);--gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);--gradient-overlay: linear-gradient(180deg, rgba(10, 14, 23, 0) 0%, rgba(10, 14, 23, .9) 100%);--color-text-primary: #ffffff;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-text-muted: #64748b;--color-text-disabled: #475569;--color-success: #10b981;--color-success-light: #34d399;--color-error: #ef4444;--color-error-light: #f87171;--color-warning: #f59e0b;--color-warning-light: #fbbf24;--color-info: #3b82f6;--color-info-light: #60a5fa;--color-border: rgba(255, 255, 255, .05);--color-border-light: rgba(255, 255, 255, .1);--color-border-medium: rgba(255, 255, 255, .15);--glass-bg: rgba(30, 36, 51, .6);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 2px 8px 0 rgba(0, 0, 0, .15);--shadow-md: 0 4px 16px 0 rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px 0 rgba(0, 0, 0, .35);--shadow-xl: 0 12px 36px 0 rgba(0, 0, 0, .45);--shadow-2xl: 0 24px 48px 0 rgba(0, 0, 0, .55);--shadow-glow-brand: 0 0 40px rgba(99, 102, 241, .5);--shadow-glow-purple: 0 0 40px rgba(139, 92, 246, .5);--shadow-glow-pink: 0 0 40px rgba(236, 72, 153, .5);--space-0: 0;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-3xl: 2rem;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.34, 1.56, .64, 1);--blur-sm: 8px;--blur-md: 16px;--blur-lg: 24px;--blur-xl: 40px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text-primary);background:var(--color-bg-primary);overflow-x:hidden}#root{width:100%;height:100vh}h1,h2,h3,h4,h5,h6{font-family:Poppins,Inter,sans-serif;font-weight:700;line-height:1.2;color:var(--color-text-primary);letter-spacing:-.02em}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1.125rem}.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;line-height:1.5;text-decoration:none;border:none;border-radius:var(--radius-xl);cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;-webkit-user-select:none;user-select:none;overflow:hidden}.btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#ffffff1a,#fff0);opacity:0;transition:opacity var(--transition-normal)}.btn:hover:before{opacity:1}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--chat-accent, #3b82f6);color:#fff;box-shadow:0 10px 30px #0f172a8c}.btn-primary:hover:not(:disabled){background:#2563eb;box-shadow:0 14px 40px #0f172ab3;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--color-bg-elevated);color:var(--color-text-primary);border:1px solid var(--color-border-light);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-card);border-color:var(--color-border-medium);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--color-text-secondary);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:#ffffff0d;color:var(--color-text-primary);border-color:var(--color-border-light)}.btn-success{background:var(--gradient-success);color:#fff;box-shadow:var(--shadow-md)}.btn-success:hover:not(:disabled){box-shadow:var(--shadow-lg),0 0 40px #10b98180;transform:translateY(-2px)}.btn-danger{background:linear-gradient(135deg,var(--color-error) 0%,var(--color-error-light) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-danger:hover:not(:disabled){box-shadow:var(--shadow-lg),0 0 40px #ef444480;transform:translateY(-2px)}.btn-sm{padding:.5rem 1rem;font-size:.875rem;border-radius:var(--radius-lg)}.btn-lg{padding:1rem 2rem;font-size:1.0625rem;border-radius:var(--radius-2xl)}.btn-icon{padding:.625rem;border-radius:var(--radius-lg)}.input-group{display:flex;flex-direction:column;gap:var(--space-2)}.input-label{font-size:.875rem;font-weight:600;color:var(--color-text-secondary);letter-spacing:.01em}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:var(--color-text-muted);pointer-events:none;font-size:1.25rem}.input-field{width:100%;padding:.875rem 1.25rem;font-size:.9375rem;font-family:inherit;color:var(--color-text-primary);background:var(--color-bg-tertiary);border:1.5px solid var(--color-border);border-radius:var(--radius-xl);outline:none;transition:all var(--transition-normal)}.input-field:focus{border-color:var(--color-brand-primary);background:var(--color-bg-elevated);box-shadow:0 0 0 4px #6366f126,var(--shadow-md);transform:translateY(-1px)}.input-field::placeholder{color:var(--color-text-muted)}.input-wrapper .input-icon~.input-field{padding-left:3rem}select.input-field{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1.25em;padding-right:2.75rem;cursor:pointer}textarea.input-field{resize:vertical;min-height:120px;padding:.875rem 1.25rem;line-height:1.6}.file-input-wrapper{position:relative;display:inline-block;cursor:pointer}.file-input-wrapper input[type=file]{position:absolute;opacity:0;width:0;height:0}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-2xl);padding:var(--space-6);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.card:hover{border-color:var(--color-border-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-glass{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--glass-shadow)}.card-elevated{background:var(--color-bg-card);box-shadow:var(--shadow-lg)}.glass{background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.glass-strong{background:#1e2433cc}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:.25rem .75rem;font-size:.75rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.badge-success{background:#10b98126;color:var(--color-success-light);border:1px solid rgba(16,185,129,.3)}.badge-error{background:#ef444426;color:var(--color-error-light);border:1px solid rgba(239,68,68,.3)}.badge-warning{background:#f59e0b26;color:var(--color-warning-light);border:1px solid rgba(245,158,11,.3)}.badge-info{background:#3b82f626;color:var(--color-info-light);border:1px solid rgba(59,130,246,.3)}.badge-brand{background:linear-gradient(135deg,#6366f126,#8b5cf626);color:var(--color-brand-primary);border:1px solid rgba(99,102,241,.3)}.flex{display:flex}.inline-flex{display:inline-flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.justify-start{justify-content:flex-start}.flex-1{flex:1}.flex-wrap{flex-wrap:wrap}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-5{gap:var(--space-5)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}.gap-10{gap:var(--space-10)}.gap-12{gap:var(--space-12)}.w-full{width:100%}.h-full{height:100%}.w-screen{width:100vw}.h-screen{height:100vh}.relative{position:relative}.absolute{position:absolute}.fixed{position:fixed}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.overflow-y-auto{overflow-y:auto}.overflow-x-auto{overflow-x:auto}.custom-scrollbar::-webkit-scrollbar{width:8px;height:8px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--color-bg-elevated);border-radius:var(--radius-full);border:2px solid transparent;background-clip:padding-box}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--color-bg-card);background-clip:padding-box}.scrollbar-thin::-webkit-scrollbar{width:6px;height:6px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInScale{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes slideIn{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)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes glowPulse{0%,to{box-shadow:0 0 20px #6366f166}50%{box-shadow:0 0 40px #6366f1b3}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.animate-fade-in{animation:fadeIn .4s ease-out}.animate-fade-in-scale{animation:fadeInScale .4s ease-out}.animate-slide-in{animation:slideIn .4s ease-out}.animate-slide-in-right{animation:slideInRight .4s ease-out}.animate-spin{animation:spin 1s linear infinite}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.animate-bounce{animation:bounce 1s ease-in-out infinite}.animate-shimmer{background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);background-size:1000px 100%;animation:shimmer 2s infinite}.animate-glow-pulse{animation:glowPulse 2s ease-in-out infinite}.animate-gradient{background-size:200% 200%;animation:gradientShift 5s ease infinite}.delay-75{animation-delay:75ms}.delay-100{animation-delay:.1s}.delay-150{animation-delay:.15s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}.delay-500{animation-delay:.5s}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24;vertical-align:middle;-webkit-user-select:none;user-select:none}.icon-filled{font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.app-with-sidebar{display:flex;width:100%;height:100vh;overflow:hidden;background:var(--color-bg-primary)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background-color:var(--chat-bg)}.auth-card{width:100%;max-width:440px;padding:2.5rem;border-radius:1.25rem;background-color:var(--chat-surface);border:1px solid var(--chat-border-subtle);box-shadow:0 10px 40px #0000004d}.auth-card--wide{max-width:600px}.auth-logo{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-bottom:2rem}.auth-logo-icon{width:3.5rem;height:3.5rem;border-radius:1.125rem;display:flex;align-items:center;justify-content:center;background-color:var(--chat-accent);color:#fff;font-size:2rem}.auth-logo-title{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;color:var(--color-text-primary)}.auth-logo-subtitle{font-size:.875rem;color:var(--color-text-muted)}.auth-welcome{text-align:center;margin-bottom:2rem}.auth-welcome-title{font-size:1.75rem;font-weight:600;color:var(--color-text-primary);margin-bottom:.5rem}.auth-welcome-subtitle{font-size:.9375rem;color:var(--color-text-secondary)}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.auth-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}.auth-password-strength{margin-top:.75rem}.auth-password-strength-header{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;margin-bottom:.5rem;font-weight:600}.auth-password-strength-header span:first-child{color:var(--color-text-tertiary)}.auth-password-strength-bar{width:100%;height:.375rem;border-radius:9999px;background-color:var(--chat-surface-soft);overflow:hidden}.auth-password-strength-fill{height:100%;border-radius:9999px;transition:width var(--transition-normal),background-color var(--transition-normal)}.auth-password-match{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;font-size:.8125rem;font-weight:600}.auth-password-match .material-symbols-outlined{font-size:1.125rem}.auth-footer-link{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:1.5rem;font-size:.9375rem}.auth-link{color:var(--chat-accent);font-weight:600;text-decoration:none;transition:color var(--transition-fast)}.auth-link:hover{color:#2563eb;text-decoration:underline}.auth-test-accounts{margin-top:2rem;padding:1.25rem;border-radius:1rem;background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle)}.auth-test-header{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary)}.auth-test-header .material-symbols-outlined{font-size:1rem;color:var(--chat-accent)}.auth-test-list{display:flex;flex-direction:column;gap:.75rem}.auth-test-item{display:flex;align-items:center;gap:.75rem;padding:.875rem 1rem;border-radius:.75rem;background-color:var(--chat-surface-alt);border:1px solid var(--chat-border-subtle)}.auth-test-item code{font-family:Courier New,monospace;font-size:.8125rem;color:var(--color-text-secondary)}@media (max-width: 768px){.auth-card{padding:2rem 1.5rem}.auth-form-grid{grid-template-columns:1fr}.auth-card--wide{max-width:440px}}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.transition-all{transition:all var(--transition-normal)}.transition-fast{transition:all var(--transition-fast)}.transition-slow{transition:all var(--transition-slow)}.transition-colors{transition:color var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast)}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-75{opacity:.75}.opacity-100{opacity:1}.hover-lift:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.hover-scale:hover{transform:scale(1.05)}.hover-glow:hover{box-shadow:var(--shadow-glow-brand)}.group:hover .group-hover-opacity-100{opacity:1}.group:hover .group-hover-visible{visibility:visible;opacity:1}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.text-warning{color:var(--color-warning)}.text-info{color:var(--color-info)}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-base{font-size:1rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.font-light{font-weight:300}.font-normal{font-weight:400}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.font-extrabold{font-weight:800}.skeleton{background:linear-gradient(90deg,var(--color-bg-tertiary) 0%,var(--color-bg-elevated) 50%,var(--color-bg-tertiary) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-lg)}.divider{height:1px;background:var(--color-border);margin:var(--space-4) 0}.divider-vertical{width:1px;height:100%;background:var(--color-border);margin:0 var(--space-4)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:40}.z-0{z-index:0}.z-10{z-index:10}.z-20{z-index:20}.z-30{z-index:30}.z-40{z-index:40}.z-50{z-index:50}.pointer-events-none{pointer-events:none}.pointer-events-auto{pointer-events:auto}.select-none{-webkit-user-select:none;user-select:none}.select-text{-webkit-user-select:text;user-select:text}.cursor-pointer{cursor:pointer}.cursor-not-allowed{cursor:not-allowed}.cursor-default{cursor:default}:root{--chat-bg: #020617;--chat-surface: #030712;--chat-surface-soft: #020617;--chat-surface-alt: #020617;--chat-border-subtle: #1f2933;--chat-border-strong: #374151;--chat-accent: #3b82f6;--chat-accent-soft: rgba(59, 130, 246, .12);--chat-accent-muted: rgba(59, 130, 246, .06)}.app-sidebar{width:260px;border-right:1px solid var(--chat-border-subtle);background-color:var(--chat-surface);display:flex;flex-direction:column}.app-sidebar-inner{display:flex;flex-direction:column;height:100vh}.app-sidebar-header{padding:1.25rem 1.5rem 1rem;border-bottom:1px solid var(--chat-border-subtle);display:flex;align-items:center;gap:.75rem}.app-sidebar-logo{width:2.5rem;height:2.5rem;border-radius:.9rem;display:flex;align-items:center;justify-content:center;background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle);color:var(--chat-accent)}.app-sidebar-title{font-size:1.1rem;font-weight:600;letter-spacing:.02em}.app-sidebar-subtitle{font-size:.75rem;color:var(--color-text-muted)}.app-sidebar-new-chat{padding:.9rem 1.2rem .5rem}.app-sidebar-nav{flex:1;padding:.25rem .75rem .75rem;overflow-y:auto}.app-sidebar-nav-list{display:flex;flex-direction:column;gap:.1rem}.app-sidebar-nav-item{display:flex;align-items:center;gap:.6rem;padding:.55rem .9rem;border-radius:.8rem;font-size:.9rem;font-weight:500;color:var(--color-text-secondary);text-decoration:none;position:relative;transition:background-color var(--transition-fast),color var(--transition-fast)}.app-sidebar-nav-item:hover{background-color:var(--chat-surface-soft);color:var(--color-text-primary)}.app-sidebar-nav-item--active{background-color:var(--chat-accent-soft);color:var(--color-text-primary)}.app-sidebar-nav-icon{font-size:1.35rem;color:var(--color-text-tertiary)}.app-sidebar-nav-item--active .app-sidebar-nav-icon{color:var(--chat-accent)}.app-sidebar-footer{padding:.85rem 1rem 1rem;border-top:1px solid var(--chat-border-subtle)}.app-sidebar-user{display:flex;align-items:center;gap:.75rem}.app-sidebar-avatar{width:2.3rem;height:2.3rem;border-radius:.9rem;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle);color:var(--color-text-primary)}.app-sidebar-user-main{flex:1;min-width:0}.app-sidebar-user-name{font-size:.9rem;font-weight:500}.app-sidebar-user-meta{margin-top:.1rem;font-size:.75rem;color:var(--color-text-muted)}.app-sidebar-role-badge{display:inline-flex;align-items:center;gap:.2rem;padding:.15rem .5rem;border-radius:9999px;border:1px solid var(--chat-border-subtle);font-size:.7rem;text-transform:uppercase}.app-sidebar-logout{width:2.1rem;height:2.1rem;border-radius:.75rem;border:1px solid rgba(248,113,113,.4);background-color:#7f1d1d26;color:#fca5a5;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast)}.app-sidebar-logout:hover{background-color:#f8717140;transform:translateY(-1px)}.chat-layout{display:flex;height:100%;background-color:var(--chat-bg);color:var(--color-text-primary)}.chat-history-sidebar{width:320px;max-width:360px;border-right:1px solid var(--chat-border-subtle);background-color:var(--chat-surface);display:flex;flex-direction:column;transition:width var(--transition-normal),max-width var(--transition-normal)}.chat-history-sidebar--collapsed{width:auto;max-width:none;flex-shrink:0}.chat-history-header{padding:1rem 1.25rem;border-bottom:1px solid var(--chat-border-subtle);display:flex;align-items:center;justify-content:space-between}.chat-history-header-button{display:flex;align-items:center;gap:.3rem;background:transparent;border:none;padding:0;cursor:pointer;color:inherit;font:inherit;text-align:left}.chat-history-title{font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-tertiary)}.chat-history-meta{display:block;margin-top:.15rem;font-size:.7rem;color:var(--color-text-muted)}.chat-history-count{font-size:.7rem;padding:.15rem .55rem;border-radius:9999px;background-color:var(--chat-surface-alt);color:var(--color-text-secondary)}.chat-history-list{flex:1;padding:.75rem;overflow-y:auto}.chat-history-item{display:flex;align-items:center;justify-content:space-between;padding:.6rem .75rem;border-radius:.9rem;cursor:pointer;border:1px solid transparent;transition:background-color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.chat-history-item+.chat-history-item{margin-top:.25rem}.chat-history-item:hover{background-color:var(--chat-surface-soft);border-color:var(--chat-border-subtle)}.chat-history-item--active{background-color:var(--chat-surface-alt);border-color:var(--chat-border-strong);box-shadow:0 0 0 1px #94a3b840}.chat-rename-input{width:100%;padding:.4rem .75rem;font-size:.875rem;color:var(--color-text-primary);background-color:var(--chat-surface-alt);border-radius:.6rem;border:1px solid var(--chat-accent);outline:none}.chat-rename-input:focus{box-shadow:0 0 0 1px #3b82f680}.chat-main{flex:1;display:flex;flex-direction:column;background-color:var(--chat-bg)}.chat-topbar{height:64px;padding:0 1.5rem;border-bottom:1px solid var(--chat-border-subtle);background-color:#070b16f5;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:space-between}.chat-topbar-left{display:flex;align-items:center;gap:1rem}.mode-switch{display:inline-flex;align-items:center;padding:.25rem;border-radius:9999px;background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle)}.mode-pill{border-radius:9999px;border:none;background:transparent;color:var(--color-text-secondary);font-size:.8125rem;font-weight:500;padding:.3rem .9rem;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.mode-pill:hover{background-color:var(--chat-accent-muted);color:var(--color-text-primary)}.mode-pill--active{background-color:var(--chat-accent);color:#fff;box-shadow:0 10px 25px #2563eb73}.chat-topbar-divider{width:1px;height:24px;background-color:var(--chat-border-subtle);margin:0 .75rem}.chat-image-controls{display:flex;align-items:center;gap:.75rem}.chat-select{min-width:160px;padding:.35rem .85rem;font-size:.8125rem;border-radius:.75rem;border:1px solid var(--chat-border-subtle);background-color:var(--chat-surface-soft);color:var(--color-text-secondary);outline:none}.chat-select:focus{border-color:var(--chat-accent)}.chat-messages{flex:1;padding:1.5rem 1.25rem 1.25rem;overflow-y:auto}.chat-messages-inner{max-width:56rem;margin:0 auto}.chat-empty-state{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:1rem;color:var(--color-text-secondary)}.message-row{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.25rem}.message-row--user{justify-content:flex-end}.message-avatar{width:2.25rem;height:2.25rem;border-radius:.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem}.message-avatar--assistant{background-color:var(--chat-accent);color:#fff}.message-avatar--user{background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle);color:var(--color-text-secondary)}.message-bubble{padding:.75rem 1rem;border-radius:1rem;font-size:.9375rem;line-height:1.6;white-space:pre-wrap;word-break:break-word}.message-bubble--assistant{background-color:var(--chat-surface-soft);border:1px solid var(--chat-border-subtle);color:var(--color-text-primary)}.message-bubble--user{background-color:var(--chat-accent);color:#fff}.message-bubble--typing{display:inline-flex;align-items:center;gap:.35rem}.message-images-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:.35rem}.chat-image-upload-wrapper{display:flex;justify-content:center;margin-bottom:1.5rem}.chat-image-dropzone{width:100%;max-width:40rem;border-radius:1rem;border:1px dashed var(--chat-border-subtle);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:.75rem;background-color:var(--chat-surface);transition:border-color var(--transition-fast),background-color var(--transition-fast)}.chat-image-dropzone:hover{border-color:var(--chat-border-strong);background-color:var(--chat-surface-soft)}.chat-image-dropzone--filled{border-style:solid;border-color:var(--chat-accent)}.typing-dot{width:.4rem;height:.4rem;border-radius:9999px;background-color:var(--chat-accent)}.chat-input-area{border-top:1px solid var(--chat-border-subtle);padding:1rem 1.5rem 1.25rem;background-color:#070b16fa}.chat-input-inner{max-width:56rem;margin:0 auto}.chat-input-shell{position:relative;border-radius:1rem;border:1px solid var(--chat-border-subtle);background-color:var(--chat-surface-soft);transition:border-color var(--transition-fast),box-shadow var(--transition-fast),background-color var(--transition-fast)}.chat-input-shell:focus-within{border-color:var(--chat-accent);box-shadow:0 0 0 1px #3b82f666;background-color:var(--chat-surface-alt)}.chat-textarea{width:100%;min-height:56px;max-height:200px;padding:.8rem 3.2rem .8rem 1rem;resize:none;border:none;outline:none;background:transparent;color:var(--color-text-primary);font-size:.9375rem}.chat-textarea::placeholder{color:var(--color-text-muted)}.chat-send-button{position:absolute;right:.55rem;bottom:.55rem;border-radius:9999px;border:none;padding:.4rem .55rem;background-color:var(--chat-accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast),opacity var(--transition-fast)}.chat-send-button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.chat-send-button:not(:disabled):hover{background-color:#2563eb;transform:translateY(-1px)}.chat-helper-text{margin-top:.5rem;text-align:center;font-size:.7rem;color:var(--color-text-muted)}.admin-tab-container{display:flex;align-items:center;gap:.75rem;padding:.375rem;background:var(--chat-surface-soft);border-radius:1rem;border:1px solid var(--chat-border-subtle);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.admin-tab-button{flex:1;display:flex;align-items:center;justify-content:center;gap:.625rem;padding:.875rem 1.25rem;border-radius:.75rem;font-weight:600;font-size:.875rem;transition:all .3s cubic-bezier(.4,0,.2,1);border:1.5px solid transparent;position:relative;overflow:hidden}.admin-tab-button:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#ffffff1a,#fff0);opacity:0;transition:opacity .3s}.admin-tab-button:hover:before{opacity:1}.admin-tab-button--active{transform:scale(1.02);box-shadow:0 4px 16px #0003}.admin-tab-button--active:before{opacity:1}.admin-tab-icon{font-size:1.375rem;transition:transform .3s}.admin-tab-button--active .admin-tab-icon{transform:scale(1.1)}