/* WC AI Chat Widget v1.2 */
:root {
    --wcaic-accent:  #7C3AED;
    --wcaic-accent2: #6D28D9;
    --wcaic-bg:      #ffffff;
    --wcaic-surface: #F9FAFB;
    --wcaic-border:  #E5E7EB;
    --wcaic-text:    #1F2937;
    --wcaic-muted:   #6B7280;
    --wcaic-bot-bg:  #F3F4F6;
    --wcaic-shadow:  0 20px 60px rgba(0,0,0,0.15), 0 4px 16px rgba(0,0,0,0.08);
    --wcaic-radius:  18px;
    --wcaic-z:       2147483640;
}
#wcaic-root .wcaic-hidden { display: none !important; }
#wcaic-root {
    position:fixed; bottom:24px; right:24px; z-index:var(--wcaic-z);
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    font-size:14px; line-height:1.5; color:var(--wcaic-text);
}
#wcaic-root *,#wcaic-root *::before,#wcaic-root *::after{box-sizing:border-box}

/* ── Bubble ── */
#wcaic-bubble {
    position:relative; width:60px; height:60px;
    background:var(--wcaic-accent); border:none; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    cursor:pointer; box-shadow:0 4px 20px rgba(124,58,237,0.45);
    transition:transform 0.2s,box-shadow 0.2s;
}
#wcaic-bubble:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(124,58,237,0.55)}
#wcaic-bubble:active{transform:scale(0.96)}
#wcaic-badge {
    position:absolute; top:-3px; right:-3px;
    width:20px; height:20px; background:#EF4444; color:#fff;
    font-size:11px; font-weight:700; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    border:2px solid #fff; animation:wcaic-pulse 2s infinite;
}
@keyframes wcaic-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}

/* ── Window ── */
#wcaic-window {
    position:absolute; bottom:72px; right:0;
    width:380px; max-width:calc(100vw - 32px);
    height:644px; max-height:calc(100vh - 100px);
    background:var(--wcaic-bg); border-radius:var(--wcaic-radius);
    box-shadow:var(--wcaic-shadow);
    display:flex; flex-direction:column; overflow:hidden;
    animation:wcaic-appear 0.25s cubic-bezier(0.175,0.885,0.32,1.275);
    transform-origin:bottom right;
}
@keyframes wcaic-appear{from{opacity:0;transform:scale(0.85) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}

/* ── Resize handle ── */
#wcaic-resize-handle {
    height:8px; flex-shrink:0;
    background:linear-gradient(to right,var(--wcaic-accent),var(--wcaic-accent2));
    cursor:ns-resize; display:flex; align-items:center; justify-content:center;
    border-radius:var(--wcaic-radius) var(--wcaic-radius) 0 0;
}
#wcaic-resize-handle::after{content:'';width:32px;height:3px;background:rgba(255,255,255,0.45);border-radius:3px}
#wcaic-resize-handle:hover::after{background:rgba(255,255,255,0.8)}

/* ── Tabs ── */
#wcaic-tabs {
    display:flex; flex-shrink:0;
    background:#F3F4F6; border-bottom:1px solid var(--wcaic-border);
}
.wcaic-tab-btn {
    flex:1; display:flex; align-items:center; justify-content:center; gap:6px;
    padding:10px 8px; border:none; background:transparent; cursor:pointer;
    font-size:13px; font-weight:500; color:var(--wcaic-muted);
    border-bottom:2px solid transparent; transition:all 0.15s;
    font-family:inherit;
}
.wcaic-tab-btn:hover{color:var(--wcaic-accent);background:rgba(124,58,237,0.05)}
.wcaic-tab-btn.active{color:var(--wcaic-accent);border-bottom-color:var(--wcaic-accent);background:#fff;font-weight:600}
.wcaic-tab-emoji{font-size:15px}
.wcaic-tab-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Header ── */
#wcaic-header {
    background:var(--wcaic-accent); padding:11px 16px;
    display:flex; align-items:center; justify-content:space-between; flex-shrink:0;
}
#wcaic-header-info{display:flex;align-items:center;gap:10px;color:#fff}
#wcaic-avatar{width:34px;height:34px;background:rgba(255,255,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
#wcaic-bot-name{font-weight:600;font-size:14px;color:#fff}
#wcaic-status{font-size:11px;color:rgba(255,255,255,0.8)}
#wcaic-close{background:rgba(255,255,255,0.15);border:none;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:background 0.15s;flex-shrink:0}
#wcaic-close:hover{background:rgba(255,255,255,0.3)}

/* ── Tab suggestion banner ── */
#wcaic-tab-suggest {
    display:flex; align-items:center; gap:8px; padding:8px 12px;
    background:#FFF7ED; border-bottom:1px solid #FED7AA;
    font-size:12px; color:#92400E; flex-shrink:0;
}
#wcaic-tab-suggest-text{flex:1;font-weight:500}
.wcaic-suggest-switch-btn{
    background:#F97316; color:#fff; border:none; border-radius:6px;
    padding:4px 10px; font-size:11px; font-weight:600; cursor:pointer; white-space:nowrap;
    font-family:inherit; transition:background 0.15s;
}
.wcaic-suggest-switch-btn:hover{background:#EA580C}
#wcaic-tab-suggest-dismiss{background:none;border:none;color:#92400E;cursor:pointer;font-size:14px;padding:2px;line-height:1;flex-shrink:0}

/* ── Messages ── */
#wcaic-messages {
    flex:1; overflow-y:auto; padding:14px;
    display:flex; flex-direction:column; gap:8px; scroll-behavior:smooth;
}
#wcaic-messages::-webkit-scrollbar{width:4px}
#wcaic-messages::-webkit-scrollbar-thumb{background:var(--wcaic-border);border-radius:4px}

.wcaic-msg-wrap{display:flex;max-width:85%}
.wcaic-msg-wrap.wcaic-user{align-self:flex-end;flex-direction:row-reverse}
.wcaic-msg-wrap.wcaic-bot{align-self:flex-start}
.wcaic-bubble-msg{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5;word-wrap:break-word;word-break:break-word}
.wcaic-bot .wcaic-bubble-msg{background:var(--wcaic-bot-bg);color:var(--wcaic-text);border-bottom-left-radius:4px}
.wcaic-user .wcaic-bubble-msg{background:var(--wcaic-accent);color:#fff;border-bottom-right-radius:4px}

.wcaic-typing-dots{display:flex;gap:5px;padding:12px 16px}
.wcaic-typing-dots span{width:8px;height:8px;background:var(--wcaic-muted);border-radius:50%;animation:wcaic-dot 1.4s infinite}
.wcaic-typing-dots span:nth-child(2){animation-delay:.2s}.wcaic-typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes wcaic-dot{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

/* ── Quick replies ── */
#wcaic-quick-replies {
    display:flex; flex-wrap:wrap; gap:6px;
    padding:8px 12px; border-top:1px solid var(--wcaic-border);
    background:var(--wcaic-surface); flex-shrink:0;
}
.wcaic-quick-btn {
    background:#fff; border:1px solid var(--wcaic-accent); color:var(--wcaic-accent);
    border-radius:20px; padding:5px 12px; font-size:12px; font-weight:500;
    cursor:pointer; white-space:nowrap; transition:all 0.15s; font-family:inherit;
}
.wcaic-quick-btn:hover{background:var(--wcaic-accent);color:#fff}

/* ── Order card ── */
.wcaic-order-card{background:#fff;border:1px solid var(--wcaic-border);border-radius:12px;padding:14px;font-size:13px}
.wcaic-order-title{font-weight:700;font-size:15px;margin-bottom:6px}
.wcaic-order-status{display:inline-block;background:var(--wcaic-accent);color:#fff;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:8px}
.wcaic-order-detail{color:var(--wcaic-muted);margin-bottom:3px}
.wcaic-order-items{margin:8px 0;padding:8px;background:var(--wcaic-surface);border-radius:8px;font-size:12px;line-height:1.8}
.wcaic-order-total{font-weight:700;font-size:15px;margin-top:6px}

/* ── Inline forms ── */
.wcaic-inline-form{position:relative;padding:14px 14px 12px;border-top:1px solid var(--wcaic-border);background:var(--wcaic-surface);display:flex;flex-direction:column;gap:8px;flex-shrink:0}
.wcaic-form-title{font-size:13px;font-weight:600;color:var(--wcaic-text);margin:0 0 4px}
.wcaic-form-close{position:absolute;top:8px;right:10px;background:none;border:none;cursor:pointer;color:var(--wcaic-muted);font-size:15px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background 0.15s,color 0.15s}
.wcaic-form-close:hover{background:#fee2e2;color:#ef4444}
.wcaic-inline-form input{width:100%;padding:9px 12px;border:1px solid var(--wcaic-border);border-radius:8px;font-size:13px;outline:none;background:#fff;transition:border-color 0.15s;font-family:inherit}
.wcaic-inline-form input:focus{border-color:var(--wcaic-accent);box-shadow:0 0 0 3px rgba(124,58,237,0.1)}
.wcaic-form-btn{background:var(--wcaic-accent);color:#fff;border:none;border-radius:8px;padding:9px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:background 0.15s,transform 0.1s;font-family:inherit}
.wcaic-form-btn:hover{background:var(--wcaic-accent2)}.wcaic-form-btn:active{transform:scale(0.98)}.wcaic-form-btn:disabled{opacity:0.6;cursor:not-allowed}
.wcaic-btn-ghost{background:transparent;color:var(--wcaic-muted);border:1px solid var(--wcaic-border)}.wcaic-btn-ghost:hover{background:var(--wcaic-surface)}

/* ── Input row ── */
#wcaic-input-row{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--wcaic-border);background:var(--wcaic-bg);flex-shrink:0}
#wcaic-input{flex:1;border:1px solid var(--wcaic-border);border-radius:22px;padding:10px 16px;font-size:14px;outline:none;background:var(--wcaic-surface);transition:border-color 0.15s,box-shadow 0.15s;font-family:inherit}
#wcaic-input:focus{border-color:var(--wcaic-accent);background:#fff;box-shadow:0 0 0 3px rgba(124,58,237,0.1)}
#wcaic-input:disabled{opacity:0.7;cursor:not-allowed}
#wcaic-send{width:40px;height:40px;background:var(--wcaic-accent);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.15s,transform 0.1s}
#wcaic-send:hover{background:var(--wcaic-accent2)}#wcaic-send:active{transform:scale(0.92)}#wcaic-send:disabled{opacity:0.5;cursor:not-allowed}

/* ── Footer ── */
#wcaic-footer{text-align:center;font-size:11px;color:var(--wcaic-muted);padding:6px;border-top:1px solid var(--wcaic-border);background:var(--wcaic-surface);flex-shrink:0}
#wcaic-human-btn{background:none;border:none;color:var(--wcaic-accent);cursor:pointer;font-size:11px;font-weight:600;padding:0;text-decoration:underline}
#wcaic-human-btn:hover{color:var(--wcaic-accent2)}

/* ── Mobile ── */
@media(max-width:480px){
    #wcaic-root{bottom:16px;right:16px}
    #wcaic-window{width:calc(100vw - 24px);height:calc(100vh - 90px);max-height:none;right:-8px;border-radius:16px 16px 4px 16px}
}

/* ── Product cards (v1.5) ── */
.wcaic-product-card {
    display:flex; gap:10px; align-items:flex-start;
    background:#fff; border:1px solid var(--wcaic-border); border-radius:12px;
    padding:12px; font-size:13px; margin-top:4px;
}
.wcaic-product-name  { font-weight:600; font-size:14px; margin-bottom:3px; }
.wcaic-product-price { color:var(--wcaic-accent); font-weight:700; font-size:15px; margin-bottom:4px; }
.wcaic-product-actions { display:flex; flex-direction:column; gap:6px; flex-shrink:0; margin-left:auto; }
.wcaic-cart-btn {
    white-space:nowrap; padding:7px 12px; font-size:12px !important;
}
.wcaic-cart-btn:disabled { opacity:0.6; cursor:not-allowed; }
.wcaic-product-link {
    font-size:12px; color:var(--wcaic-accent); text-decoration:none; text-align:center;
    padding:4px 0; font-weight:500;
}
.wcaic-product-link:hover { text-decoration:underline; }
.wcaic-cart-link {
    display:block; margin-top:6px; font-size:12px; color:var(--wcaic-accent);
    text-decoration:none; font-weight:600;
}
.wcaic-cart-link:hover { text-decoration:underline; }

/* ── Welcome screen (v1.5.3) ── */
#wcaic-welcome {
    position:absolute; inset:0; z-index:10;
    background:var(--wcaic-bg);
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    padding:28px 24px; text-align:center; border-radius:var(--wcaic-radius);
}
#wcaic-welcome.wcaic-hidden { display:none !important; }
.wcaic-welcome-title {
    font-size:20px; font-weight:700; color:var(--wcaic-text); margin-bottom:6px;
}
.wcaic-welcome-sub {
    font-size:13px; color:var(--wcaic-muted); margin-bottom:28px; line-height:1.5;
}
.wcaic-welcome-tabs {
    display:flex; flex-direction:column; gap:12px; width:100%; max-width:280px;
}
.wcaic-welcome-tab-btn {
    display:flex; align-items:center; gap:14px;
    background:var(--wcaic-surface); border:2px solid var(--wcaic-border);
    border-radius:14px; padding:16px 18px; cursor:pointer;
    text-align:left; transition:all 0.2s; font-family:inherit;
    width:100%;
}
.wcaic-welcome-tab-btn:hover {
    border-color:var(--wcaic-accent); background:#f5f0ff;
    transform:translateY(-1px); box-shadow:0 4px 12px rgba(124,58,237,0.15);
}
.wcaic-welcome-tab-icon { font-size:26px; flex-shrink:0; }
.wcaic-welcome-tab-info { flex:1; min-width:0; }
.wcaic-welcome-tab-name { font-weight:600; font-size:14px; color:var(--wcaic-text); }
.wcaic-welcome-tab-desc { font-size:12px; color:var(--wcaic-muted); margin-top:2px; }

/* product name as link */
.wcaic-product-name-link { text-decoration:none; }
.wcaic-product-name-link:hover .wcaic-product-name { text-decoration:underline; color:var(--wcaic-accent); }