/* Mobile-first Floating Chat (modern, animated) */

:root {
    --accent-1: #6366f1;
    --accent-2: #4f46e5;
    --bg: #ffffff;
    --muted: #9ca3af;
    --text: #0f172a;
    --border: #e5e7eb;
}

/* FAB */
#mwai-fab {
    position: fixed;
    bottom: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    cursor: pointer;
    z-index: 99999;
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.18);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
#mwai-fab:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.22); 
}
#mwai-fab img { 
    width: 28px; 
    height: 28px; 
    filter: drop-shadow(0 1px 0 rgba(0,0,0,0.05)); 
}

/* Chat window */
#mwai-chat-window {
    position: fixed;
    bottom: 88px;
    right: 16px;
    width: 92%;
    max-width: 420px;
    max-height: 76vh;
    background: var(--bg);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.15);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    transition: transform 0.22s cubic-bezier(.2,.9,.2,1), opacity 0.18s ease;
    z-index: 99998;
}
#mwai-chat-window.hidden { 
    display: none; 
}

/* Header */
#mwai-chat-header {
    background: linear-gradient(135deg, var(--accent-2), #4338ca);
    color: #fff;
    padding: 12px 14px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
#mwai-chat-header img { 
    width: 20px; 
    height: 20px; 
    cursor: pointer; 
    filter: invert(100%); 
}

/* Body */
#mwai-chat-body {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #f8fafc;
}

/* Footer */
#mwai-chat-footer {
    display: flex;
    gap: 8px;
    padding: 10px;
    align-items: center;
    border-top: 1px solid var(--border);
    background: #fff;
}
#mwai-user-input {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    outline: none;
    font-size: 14px;
    background: #fbfdff;
}
#mwai-user-input:focus { 
    box-shadow: 0 6px 18px rgba(79,70,229,0.06); 
    border-color: rgba(79,70,229,0.12); 
}
#mwai-send-btn {
    padding: 8px 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#mwai-send-btn img { 
    width: 24px; 
    height: 24px; 
}

/* Messages */
.mwai-msg { 
    margin-bottom: 16px; 
    display: block; 
    max-width: 86%; 
    word-wrap: break-word; 
}
.mwai-msg p { 
    margin: 0; 
    display: inline-block; 
    padding: 12px 16px; 
    border-radius: 18px; 
    font-size: 14px; 
    line-height: 1.5; 
    animation: fadeInUp .25s ease; 
    white-space: pre-wrap; /* Preserve formatting */
}
.mwai-msg.user { 
    margin-left: auto; 
    text-align: right; 
}
.mwai-msg.user p { 
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2)); 
    color: #fff; 
    border-bottom-right-radius: 6px; 
    box-shadow: 0 6px 16px rgba(79,70,229,0.12); 
}
.mwai-msg.ai p { 
    background: #ffffff; 
    color: var(--text); 
    border: 1px solid var(--border); 
    border-bottom-left-radius: 6px; 
    box-shadow: 0 2px 8px rgba(15,23,42,0.05); 
}

/* Typing indicator */
.mwai-msg.typing { 
    display: inline-flex; 
    gap: 8px; 
    align-items: center; 
}
.mwai-msg.typing span { 
    display: block; 
    width: 6px; 
    height: 6px; 
    background: var(--muted); 
    border-radius: 50%; 
    animation: blink 1.2s infinite both; 
}
.mwai-msg.typing span:nth-child(2) { 
    animation-delay: .15s; 
}
.mwai-msg.typing span:nth-child(3) { 
    animation-delay: .3s; 
}

/* Quick buttons */
.mwai-quick-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
    margin-bottom: 16px;
}
.mwai-quick-buttons button {
    padding: 8px 16px;
    border-radius: 20px;
    background: #eef2ff;
    color: var(--accent-2);
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    transition: background 0.2s ease;
}
.mwai-quick-buttons button:hover {
    background: #e0e7ff;
}

/* Product grid */
.mwai-products { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 12px; 
    margin-top: 24px; /* Increased spacing */
    margin-bottom: 16px; /* Ensure spacing below */
    padding: 8px; 
    background: #f8fafc; 
    border-radius: 10px; 
}
.mwai-product-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 10px;
    background: #fff;
    transition: transform .18s ease, box-shadow .18s ease;
    text-align: center;
}
.mwai-product-card img { 
    width: 100%; 
    height: auto; 
    border-radius: 8px; 
    margin-bottom: 8px; 
    object-fit: cover; 
}
.mwai-product-card h4 { 
    margin: 6px 0 4px 0; 
    font-size: 13px; 
    font-weight: 600; 
}
.mwai-product-card span { 
    font-size: 13px; 
    color: var(--accent-2); 
    font-weight: 700; 
}
.mwai-product-card:hover { 
    transform: translateY(-4px); 
    box-shadow: 0 14px 40px rgba(15,23,42,0.06); 
}

/* Small animations */
@keyframes blink { 
    0%, 80%, 100% { opacity: .25 } 
    40% { opacity: 1 } 
}
@keyframes fadeInUp { 
    from { opacity: 0; transform: translateY(8px) } 
    to { opacity: 1; transform: translateY(0) } 
}

/* Desktop tweaks */
@media(min-width: 768px) {
    #mwai-chat-window { 
        width: 360px; 
        max-height: 520px; 
        right: 24px; 
        bottom: 96px; 
    }
}