:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-card: #ffffff;--bg-card-elevated: rgba(255, 255, 255, .95);--text-primary: #111827;--text-secondary: #374151;--text-muted: #6b7280;--text-answer: #1f2937;--border-color: rgba(0, 0, 0, .08);--border-color-strong: rgba(0, 0, 0, .12);--input-bg: #ffffff;--input-border: #dee2e6;--shadow-sm: 0 6px 18px rgba(15, 23, 42, .08);--shadow-lg: 0 22px 60px rgba(15, 23, 42, .16);--link-color: #0b5ed7;--link-hover: #0a58ca}@media (prefers-color-scheme: dark){:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--bg-card-elevated: rgba(30, 41, 59, .95);--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-answer: #e2e8f0;--border-color: rgba(255, 255, 255, .1);--border-color-strong: rgba(255, 255, 255, .15);--input-bg: #334155;--input-border: #475569;--shadow-sm: 0 6px 18px rgba(0, 0, 0, .3);--shadow-lg: 0 22px 60px rgba(0, 0, 0, .5);--link-color: #60a5fa;--link-hover: #93c5fd}}body{background-color:var(--bg-primary);color:var(--text-primary)}.container{background-color:var(--bg-primary)}.card{background-color:var(--bg-card);color:var(--text-primary)}.ask-input,input[type=text],input[type=search],textarea{background-color:var(--input-bg);color:var(--text-primary);border-color:var(--input-border)}.ask-input::placeholder,input::placeholder,textarea::placeholder{color:var(--text-muted);opacity:.7}a{color:var(--link-color)}a:hover{color:var(--link-hover)}.muted{color:var(--text-muted)}.answer-content{color:var(--text-answer)}hr{border-color:var(--border-color)}.toast{background-color:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color-strong)}@media (prefers-color-scheme: dark){.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-color-strong)}.btn-secondary:hover:not(:disabled){background-color:#334155}}code{background-color:var(--bg-secondary);color:var(--text-primary)}.badge{color:var(--text-primary)}@media (prefers-color-scheme: dark){.muted ul li code{background-color:var(--bg-secondary);color:var(--text-secondary)}.muted ul li a{background-color:var(--bg-secondary);border-color:var(--border-color-strong)}.muted ul li a:hover{background-color:#334155}}@media (max-width: 768px){.container{padding:12px 16px!important}.card{padding:14px 10px!important;border-radius:16px!important}.main-card{padding-top:12px!important;padding-bottom:12px!important}.logo-img{height:48px!important}.logo-text{font-size:32px!important}.hero-title{font-size:22px!important;line-height:1.25!important;margin-bottom:6px!important;padding:0 8px!important}.hero-subtitle{font-size:14px!important;line-height:1.4!important;padding:0 12px!important}.ask-input{font-size:15px!important;padding:12px 16px!important}.pill{font-size:11.5px!important;padding:7px 11px!important;white-space:normal!important;text-align:left!important;line-height:1.35!important;max-width:100%!important;word-wrap:break-word!important;-webkit-hyphens:auto!important;hyphens:auto!important}.chips-scroll{gap:6px!important}.features-section{margin-top:32px!important;margin-bottom:24px!important}.features-grid{grid-template-columns:1fr!important;gap:20px!important}.search-bar-wrapper{margin:12px 0!important}header{gap:8px!important;margin-bottom:8px!important}header>div{margin-top:0!important}.search-input-wrapper{gap:8px!important}.search-input-wrapper .ask-btn{min-width:90px!important;padding-inline:16px!important;font-size:14px!important;height:44px!important}.search-controls button{font-size:11px!important;padding:5px 12px!important}.suggestions{margin-bottom:8px!important}}@media (max-width: 480px){.container{padding:8px 12px!important}.card{padding:12px 10px!important}.logo-img{height:40px!important}.logo-text{font-size:28px!important}.hero-title{font-size:20px!important}.hero-subtitle{font-size:14px!important}.search-controls{flex-wrap:wrap!important;gap:8px!important}.search-input-wrapper{flex-direction:column!important}.search-input-wrapper input{width:100%!important}.search-input-wrapper .ask-btn{width:100%!important;min-width:unset!important}}