:root {
    --bg:#f8f9fb;--surface:#fff;--text:#1a1a1a;--text-secondary:#6b6b6b;
    --accent:#2563eb;--accent-hover:#1d4ed8;--sep:rgba(0,0,0,0.06);
    --msg-bot:#f0f0f0;--msg-user:#2563eb;--msg-user-text:#fff;
    --gradient:linear-gradient(135deg,#0a84ff,#5e5ce6,#bf5af2,#ff375f,#ff9f0a,#30d158);
}
.dark {
    --bg:#1c1c1e;--surface:#2c2c2e;--text:#fff;--text-secondary:#8e8e93;
    --accent:#0a84ff;--sep:rgba(255,255,255,0.08);--msg-bot:#1c1c1e;--msg-user:#0a84ff;--msg-user-text:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,'SF Pro Display','Inter',sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6}

/* ========== ЧАТ ========== */
.chat-app,.chat-app body{height:100%;height:100dvh;overflow:hidden;position:fixed;width:100%}
.chat-app{display:flex}
.chat-app .sidebar{width:280px;background:var(--surface);border-right:0.5px solid var(--sep);display:flex;flex-direction:column;flex-shrink:0;transition:all 0.3s}
.chat-app .sidebar.collapsed{width:0;overflow:hidden;border:none;padding:0}
.chat-app .sidebar-header{padding:14px 16px;border-bottom:0.5px solid var(--sep);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.chat-app .sidebar-logo-text{font-size:18pt;font-weight:900;letter-spacing:-0.5px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.chat-app .sidebar-icon-btn{width:28px;height:28px;border-radius:6px;background:transparent;border:0.5px solid var(--sep);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.chat-app .sidebar-icon-btn:hover{background:var(--sep);color:var(--text)}
.chat-app .sidebar-icon-btn svg{width:14px;height:14px}
.chat-app .new-chat-section{padding:10px 12px;border-bottom:0.5px solid var(--sep);flex-shrink:0}
.chat-app #new-chat-btn{width:100%;display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--sep);border:0.5px solid var(--sep);color:var(--text);border-radius:12px;font-size:9pt;cursor:pointer}
.chat-app #new-chat-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.chat-app .chat-list{flex:1;overflow-y:auto;padding:8px;min-height:0}
.chat-app .chat-group-label{padding:6px 12px;font-size:7pt;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px}
.chat-app .chat-item{padding:10px 12px;border-radius:10px;cursor:pointer;font-size:9pt;color:var(--text-secondary);margin-bottom:2px;display:flex;align-items:center;gap:8px;justify-content:space-between}
.chat-app .chat-item:hover,.chat-app .chat-item.active{background:var(--sep);color:var(--text)}
.chat-app .chat-item-left{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.chat-app .chat-item-left svg{width:14px;height:14px;opacity:0.5;flex-shrink:0}
.chat-app .chat-item-left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-app .chat-delete-btn{width:22px;height:22px;border-radius:4px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:none;align-items:center;justify-content:center;padding:0}
.chat-app .chat-item:hover .chat-delete-btn{display:flex}
.chat-app .chat-delete-btn:hover{background:rgba(255,59,48,0.1);color:#ff3b30}
.chat-app .chat-delete-btn svg{width:12px;height:12px}
.chat-app .sidebar-footer{padding:12px 16px;border-top:0.5px solid var(--sep);display:flex;align-items:center;justify-content:space-between;font-size:7pt;color:var(--text-secondary);flex-shrink:0}
.chat-app .theme-toggle{width:30px;height:30px;border-radius:50%;border:0.5px solid var(--sep);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center}
.chat-app .theme-toggle svg{width:15px;height:15px;color:var(--text-secondary)}
.chat-app .main{flex:1;display:flex;flex-direction:column;background:var(--surface);overflow:hidden;min-width:0}
.chat-app .chat-header{display:flex;align-items:center;padding:10px 16px;border-bottom:0.5px solid var(--sep);background:var(--bg);flex-shrink:0;min-height:48px;justify-content:space-between}
.chat-app .chat-header-left{display:flex;align-items:center;gap:8px;min-width:0;flex:1}
.chat-app .chat-header-icon{display:none}
.chat-app .chat-title{font-size:10pt;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-app .toggle-sidebar-btn{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--text-secondary);color:var(--text-secondary);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.chat-app .toggle-sidebar-btn:hover{background:var(--sep);color:var(--text)}
.chat-app .toggle-sidebar-btn svg{width:15px;height:15px}
.chat-app .messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:14px}
.chat-app .msg{display:flex;gap:8px;width:fit-content;max-width:70%;position:relative;padding-bottom:8px;margin-bottom:12px}
.chat-app .msg.user{align-self:flex-end;flex-direction:row-reverse}
.chat-app .avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9pt;font-weight:700;flex-shrink:0}
.chat-app .msg.bot .avatar{background:var(--surface);border:1.5px solid var(--text-secondary);color:var(--text-secondary)}
.chat-app .msg.user .avatar{background:var(--bg);border:1.5px solid var(--text-secondary);color:var(--text-secondary)}
.chat-app .bubble-actions{display:flex;justify-content:flex-start;gap:4px;margin-top:4px;opacity:0;transition:opacity 0.2s}
.chat-app .msg:hover .bubble-actions{opacity:1}
.chat-app .bubble-action-btn{width:26px;height:26px;border-radius:6px;background:transparent;border:0.5px solid var(--sep);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center}
.chat-app .bubble{padding:10px 14px;border-radius:16px;font-size:10.5pt;line-height:1.45;width:fit-content;word-break:break-word}
.chat-app .msg.bot .bubble{background:transparent;border:none;padding-left:0}
.chat-app .msg.user .bubble{background:var(--msg-user);color:var(--msg-user-text);border-top-right-radius:4px}
.chat-app .input-area{padding:10px 20px 16px;background:var(--bg);flex-shrink:0}
.chat-app .input-wrapper{background:var(--surface);border:1px solid var(--sep);border-radius:24px;padding:8px 4px 8px 16px;display:flex;flex-direction:column;gap:6px}
.chat-app .input-wrapper:focus-within{border-color:var(--accent)}
.chat-app .input-row{display:flex;align-items:center;gap:4px}
.chat-app .input-wrapper textarea{flex:1;background:transparent;border:none;color:var(--text);font-size:15px;outline:none;resize:none;padding:4px 0;max-height:100px;line-height:1.4;font-family:inherit}
.chat-app .quick-btns{display:flex;gap:4px;flex-wrap:nowrap;overflow-x:auto;padding:0 8px 4px}
.chat-app .quick-btn{background:transparent;border:0.5px solid var(--sep);color:var(--text-secondary);padding:5px 10px;border-radius:14px;font-size:7.5pt;cursor:pointer}
.chat-app .quick-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.chat-app .send-btn{width:38px;height:38px;min-width:38px;background:var(--accent);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}
.chat-app .send-btn svg{width:16px;height:16px}

/* Общие */
.bubble sup,.bubble sub{font-size:0.8em;font-weight:500}
.continue-btn{position:absolute;bottom:-20px;right:8px;background:rgba(96,165,250,0.15);border:1px solid rgba(96,165,250,0.3);color:#60a5fa;padding:5px 14px;border-radius:10px;font-size:7pt;cursor:pointer;z-index:2;white-space:nowrap;display:none}
.continue-btn.visible{display:inline-block}
.continue-btn:hover{background:#60a5fa;color:#0f172a}
.wave-bars{display:flex;gap:4px;align-items:flex-end;height:20px;padding:4px 0}
.wave-bars span{width:4px;background:var(--text-secondary);border-radius:2px;animation:waveBar 0.8s ease-in-out infinite}
.wave-bars span:nth-child(1){height:8px;animation-delay:0s}
.wave-bars span:nth-child(2){height:14px;animation-delay:0.15s}
.wave-bars span:nth-child(3){height:10px;animation-delay:0.3s}
@keyframes waveBar{0%,100%{transform:scaleY(1)}50%{transform:scaleY(0.4)}}

/* ========== ЛЕНДИНГ ========== */
.landing .container{max-width:1080px;margin:0 auto;padding:0 24px}
.landing .btn{display:inline-flex;align-items:center;gap:7px;padding:11px 24px;border-radius:11px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all 0.2s;font-family:inherit}
.landing .btn svg{width:16px;height:16px}
.landing .btn-sm{padding:8px 16px;font-size:13px}
.landing .btn-primary{background:var(--accent);color:#fff}
.landing .btn-primary:hover{background:var(--accent-hover)}
.landing .btn-dark{background:var(--text);color:#fff;position:relative}
.landing .btn-dark:hover{background:#333}
.landing .btn-dark .pro-badge{position:absolute;top:-9px;right:-9px;background:var(--accent);color:#fff;font-size:9px;font-weight:700;padding:3px 7px;border-radius:5px}
.landing .btn-ghost{background:transparent;color:var(--text);border:1px solid var(--sep)}
.landing .hero{padding:90px 0 70px;text-align:center;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.landing .hero-badge{display:inline-flex;gap:6px;padding:6px 18px;border:1px solid var(--sep);border-radius:20px;font-size:10px;letter-spacing:2.5px;text-transform:uppercase;color:var(--text-secondary);margin-bottom:36px;background:#fff;font-weight:600}
.landing .hero h1{font-size:clamp(38px,7vw,76px);font-weight:900;letter-spacing:-2.5px;line-height:1.08;margin-bottom:22px}
.landing .hero h1 .accent{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.landing .hero-sub{font-size:19px;color:var(--text-secondary);max-width:620px;margin:0 auto 44px}
.landing .hero-actions{display:flex;gap:11px;justify-content:center;flex-wrap:wrap}
.landing section{padding:80px 0}
.landing section.alt{background:#fff}
.landing .section-label{font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px}
.landing h2{font-size:clamp(28px,5vw,42px);font-weight:800;letter-spacing:-1px;margin-bottom:18px}
.landing h3{font-size:19px;font-weight:700;margin-bottom:10px}
.landing .section-sub{font-size:16px;color:var(--text-secondary);margin-bottom:48px;max-width:540px}
.landing .card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.landing .card{padding:32px;border:1px solid var(--sep);border-radius:16px;background:#fff;transition:all 0.3s}
.landing .card:hover{border-color:var(--accent)}
.landing .card-icon{width:40px;height:40px;border-radius:10px;background:var(--bg);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.landing .card-icon svg{width:18px;height:18px;color:var(--accent)}
.landing .card p{font-size:14px;color:var(--text-secondary)}
.landing .feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.landing .feature-block{padding:28px;border:1px solid var(--sep);border-radius:16px;background:#fff}
.landing .feature-block.pro{border-left:3px solid var(--accent)}
.landing .tag{display:inline-block;padding:3px 11px;border-radius:6px;font-size:10px;font-weight:700;letter-spacing:1.5px;margin-bottom:14px;text-transform:uppercase}
.landing .tag.free{background:var(--bg);color:var(--text-secondary)}
.landing .tag.pro{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}
.landing .demo-dialog{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.landing .demo-msg{display:flex;gap:10px;align-items:flex-start}
.landing .demo-msg.user{flex-direction:row-reverse}
.landing .demo-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff}
.landing .demo-msg.user .demo-avatar{background:var(--text-secondary)}
.landing .demo-msg.bot .demo-avatar{background:linear-gradient(135deg,#2563eb,#7c3aed)}
.landing .demo-bubble{padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.5;max-width:80%}
.landing .demo-msg.user .demo-bubble{background:var(--accent);color:#fff;border-top-right-radius:4px}
.landing .demo-msg.bot .demo-bubble{background:var(--bg);border:1px solid var(--sep);border-top-left-radius:4px}
.landing .table-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--sep)}
.landing .level-table{width:100%;border-collapse:collapse;font-size:13px;min-width:500px}
.landing .level-table thead th{text-align:left;padding:14px 18px;background:var(--bg);font-weight:600;font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--text-secondary)}
.landing .level-table tbody td{padding:16px 18px;border-top:1px solid var(--sep)}
.landing .level-num{font-weight:900;font-size:20px;color:var(--accent)}
.landing .pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;align-items:stretch}
.landing .pricing-card{display:flex;flex-direction:column;padding:36px 28px;border:1px solid var(--sep);border-radius:20px;background:#fff}
.landing .pricing-card.pro{border:2px solid var(--accent)}
.landing .pricing-card .btn{margin-top:auto}
.landing .badge{display:inline-block;padding:4px 12px;border-radius:6px;font-size:10px;font-weight:700;letter-spacing:1.5px;margin-bottom:16px;text-transform:uppercase}
.landing .badge.free{background:var(--bg);color:var(--text-secondary)}
.landing .badge.pro{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}
.landing .price{font-size:42px;font-weight:900;letter-spacing:-2px;margin-bottom:20px}
.landing .price span{font-size:14px;font-weight:400;color:var(--text-secondary)}
.landing .pricing-card ul{list-style:none;margin-bottom:28px;flex:1}
.landing .pricing-card ul li{padding:10px 0;font-size:14px;color:var(--text-secondary);border-bottom:1px solid var(--sep)}
.landing .cta{text-align:center;padding:80px 0}

/* ========== ШАПКА + ПОДВАЛ ========== */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.94);border-bottom:0.5px solid var(--sep);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.header .container{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:center;height:60px;position:relative}
.header-logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:900;font-size:20px;position:absolute;left:24px}
.header-logo .logo-s{width:34px;height:34px;background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:900}
.header-logo .logo-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header-nav{display:flex;gap:28px;align-items:center}
.header-nav a{text-decoration:none;color:var(--text-secondary);font-size:14px;font-weight:500}
.header-nav a:hover{color:var(--text)}
.menu-toggle{display:none;width:34px;height:34px;background:none;border:1px solid var(--sep);border-radius:8px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;position:absolute;right:24px}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:1px}
.footer{background:#fff;border-top:1px solid var(--sep);padding:56px 0 36px;font-size:14px;color:var(--text-secondary)}
.footer .container{max-width:1080px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:28px;margin-bottom:40px}
.footer-col h4{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;color:var(--text)}
.footer-col a{display:block;text-decoration:none;color:var(--text-secondary);padding:5px 0;font-size:13px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--sep);padding-top:22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.footer-bottom .powered span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}
body.page-template-page-landing{overflow-y:auto!important;height:auto!important;position:static!important}

/* ========== МОБИЛЬНЫЕ ========== */
@media(max-width:768px){
    .header-nav{display:none}
    .header-nav.active{display:flex;position:absolute;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--sep);flex-direction:column;padding:8px 0;z-index:99}
    .header-nav.active a{padding:12px 20px;border-bottom:1px solid var(--sep)}
    .menu-toggle{display:flex}
    .chat-app .sidebar{position:fixed;z-index:100;height:100dvh;width:280px;left:0;top:0;box-shadow:0 0 40px rgba(0,0,0,0.3);padding-bottom:max(12px,env(safe-area-inset-bottom,44px))}
    .chat-app .sidebar.collapsed{left:-280px}
    .chat-app .msg{max-width:85%}
    .chat-app .input-area{padding:8px 12px 24px;padding-bottom:max(24px,env(safe-area-inset-bottom,44px))}
    .chat-app .send-btn{width:34px;height:34px;min-width:34px}
    .landing .hero{padding:70px 0 50px}
    .landing .hero h1{font-size:30px}
    .landing .hero-actions{flex-direction:column;align-items:center}
    .landing .hero-actions .btn{width:100%;justify-content:center}
    .landing section{padding:60px 0}
    .footer-bottom{flex-direction:column;text-align:center}
}

/* Кнопка "Начать новый чат" — без фона, только обводка */
.chat-app #new-chat-btn {
    background: transparent;
    border: 1px solid var(--sep);
    color: var(--text);
}
.chat-app #new-chat-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.chat-app #new-chat-btn svg {
    width: 16px;
    height: 16px;
}

/* Метрики в сайдбаре */
.chat-app .metrics-panel {
    padding: 10px 12px;
    border-bottom: 0.5px solid var(--sep);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    flex-shrink: 0;
}
.chat-app .metric-item {
    text-align: center;
    padding: 6px 2px;
    border-radius: 8px;
    background: var(--bg);
}
.chat-app .metric-value {
    display: block;
    font-size: 14pt;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}
.chat-app .metric-label {
    display: block;
    font-size: 6pt;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.chat-app .level-bar-wrap {
    grid-column: 1 / -1;
    margin-top: 6px;
}
.chat-app .level-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--accent);
    width: 0%;
    transition: width 0.5s ease;
}
.chat-app .level-title {
    display: block;
    font-size: 7pt;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 3px;
}

/* Пузырьки чата — шире */
.chat-app .msg{max-width:82%}
@media(max-width:768px){
    .chat-app .msg{max-width:92%}
    .chat-app .messages{padding:12px 10px}
    .chat-app .bubble{font-size:11pt;padding:10px 12px}
    .chat-app .avatar{width:26px;height:26px;font-size:8pt}
}

/* Мобильные пузырьки — на всю ширину */
@media(max-width:768px){
    .chat-app .msg{max-width:100% !important;padding-left:4px;padding-right:4px}
    .chat-app .msg.bot{align-self:flex-start}
    .chat-app .msg.user{align-self:flex-end}
    .chat-app .messages{padding:8px 4px;gap:8px}
    .chat-app .bubble{font-size:11pt;padding:8px 12px;max-width:100%}
    .chat-app .avatar{width:24px;height:24px;font-size:7pt;flex-shrink:0}
    .chat-app .msg .bubble-wrap{max-width:calc(100% - 40px)}
    .chat-app .msg.bot .bubble-wrap{max-width:calc(100% - 40px)}
    .chat-app .msg.user .bubble-wrap{max-width:calc(100% - 40px)}
    .chat-app .input-area{padding:6px 6px 16px}
    .chat-app .input-wrapper{padding:6px 2px 6px 8px;border-radius:16px}
    .chat-app .quick-btn{font-size:7pt;padding:4px 7px}
}


#cheatsheet-btn {
    background: transparent !important;
    color: #f97316 !important;
    border: 1px solid #f97316 !important;
    border-radius: 20px !important;
    padding: 6px 14px !important;
    font-weight: 400 !important;
    font-size: 13px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: all 0.2s !important;
    width: auto !important;
    height: auto !important;
}
#cheatsheet-btn:hover {
    background: rgba(249,115,22,0.1) !important;
    color: #fb923c !important;
}
#cheatsheet-btn svg {
    display: none;
}

.chat-item {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}
.chat-delete-btn {
    background: transparent !important;
    border: none !important;
    color: #666 !important;
    cursor: pointer !important;
    padding: 4px !important;
    flex-shrink: 0 !important;
    opacity: 0;
    transition: opacity 0.2s !important;
}
.chat-item:hover .chat-delete-btn {
    opacity: 1;
}
.chat-delete-btn:hover {
    color: #ef4444 !important;
}

.weather-widget {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 16px;
    background: rgba(96,165,250,0.1);
    color: #60a5fa;
    font-size: 12px;
    font-weight: 600;
    cursor: default;
    white-space: nowrap;
}
.weather-widget:hover {
    background: rgba(96,165,250,0.2);
}


.level-bar-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
}
.info-btn {
    color: #555;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s;
    flex-shrink: 0;
}
.info-btn:hover {
    color: #999;
}


/* Блок кода */
.code-block {
    position: relative;
    border-radius: 6px;
    margin: 8px 0;
    overflow: hidden;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    line-height: 1.5;
}

.code-block pre {
    margin: 0;
    padding: 12px;
    overflow-x: auto;
}
.code-block code {
    font-family: inherit;
    font-size: inherit;
}
.copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: transparent;
    color: #94a3b8;
    border: none;
    border-radius: 4px;
    padding: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}
.dark .copy-btn {
    color: #666;
}
.code-block:hover .copy-btn {
    opacity: 1;
}
.copy-btn:hover {
    color: #334155;
}
.dark .copy-btn:hover {
    color: #ccc;
}
.copy-btn.copied {
    color: #34d399;
}