/**
 * Giao diện Chat Form AI WP DB Assistant
 */

.wp-ai-chat-container {
    --ai-primary: #2563eb;
    --ai-primary-hover: #1d4ed8;
    --ai-bg: #ffffff;
    --ai-bg-soft: #f8fafc;
    --ai-border: #e2e8f0;
    --ai-text: #1e293b;
    --ai-text-muted: #64748b;
    --ai-msg-assistant: #f1f5f9;
    --ai-msg-user: #2563eb;
    --ai-msg-user-text: #ffffff;
    --ai-radius: 16px;
    --chat-height: 540px;

    width: 100%;
    max-width: 940px;
    margin: 20px auto;
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    background: var(--ai-bg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ai-text);
    box-sizing: border-box;
}

.wp-ai-chat-container * {
    box-sizing: border-box;
}

/* Dark Theme */
.wp-ai-chat-container.wp-ai-theme-dark {
    --ai-primary: #3b82f6;
    --ai-primary-hover: #60a5fa;
    --ai-bg: #0f172a;
    --ai-bg-soft: #1e293b;
    --ai-border: #334155;
    --ai-text: #f8fafc;
    --ai-text-muted: #94a3b8;
    --ai-msg-assistant: #1e293b;
    --ai-msg-user: #3b82f6;
    --ai-msg-user-text: #ffffff;
}

/* Header */
.wp-ai-chat-header {
    padding: 14px 20px;
    background: var(--ai-bg-soft);
    border-bottom: 1px solid var(--ai-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wp-ai-chat-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wp-ai-chat-header-title h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--ai-text);
}

.wp-ai-icon-sparkle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #6366f1, #3b82f6);
    color: #fff;
    font-size: 15px;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.wp-ai-clear-btn {
    background: none;
    border: none;
    color: var(--ai-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wp-ai-clear-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Chat Messages */
.wp-ai-chat-messages {
    height: var(--chat-height);
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.wp-ai-message {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: wpAiFadeIn 0.3s ease;
}

@keyframes wpAiFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.wp-ai-message-assistant {
    align-self: flex-start;
}

.wp-ai-message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.wp-ai-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--ai-bg-soft);
    border: 1px solid var(--ai-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.wp-ai-message-user .wp-ai-avatar {
    background: var(--ai-primary);
    color: #fff;
    border: none;
}

.wp-ai-bubble {
    padding: 12px 16px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-word;
}

.wp-ai-message-assistant .wp-ai-bubble {
    background: var(--ai-msg-assistant);
    color: var(--ai-text);
    border-top-left-radius: 2px;
}

.wp-ai-message-user .wp-ai-bubble {
    background: var(--ai-msg-user);
    color: var(--ai-msg-user-text);
    border-top-right-radius: 2px;
}

/* Markdown và Code bên trong Bubble */
.wp-ai-bubble p {
    margin: 0 0 8px 0;
}

.wp-ai-bubble p:last-child {
    margin-bottom: 0;
}

.wp-ai-bubble ul,
.wp-ai-bubble ol {
    margin: 6px 0 8px 18px;
    padding: 0;
}

.wp-ai-bubble code {
    background: rgba(0, 0, 0, 0.08);
    padding: 2px 4px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}

/* Nguồn tham khảo từ DB */
.wp-ai-sources-box {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed var(--ai-border);
    font-size: 12px;
}

.wp-ai-sources-title {
    font-weight: 600;
    color: var(--ai-text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.wp-ai-source-link {
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    color: var(--ai-primary) !important;
    text-decoration: none !important;
    padding: 3px 8px;
    border-radius: 6px;
    margin: 2px 4px 2px 0;
    transition: all 0.2s;
}

.wp-ai-source-link:hover {
    background: rgba(37, 99, 235, 0.18);
}

/* Source Cards (Bài viết / Trang có thumbnail) */
.wp-ai-source-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.wp-ai-source-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px 5px 5px;
    background: var(--ai-bg-soft);
    border: 1px solid var(--ai-border);
    border-radius: 8px;
    text-decoration: none !important;
    color: var(--ai-text) !important;
    transition: all 0.2s;
    max-width: 220px;
}

.wp-ai-source-card:hover {
    border-color: var(--ai-primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
    transform: translateY(-1px);
}

.wp-ai-src-thumb {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--ai-border);
}

.wp-ai-src-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.wp-ai-src-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.wp-ai-src-title {
    font-size: 12px;
    font-weight: 500;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================================
   PRODUCT CARDS (WooCommerce)
   ========================================================= */
.wp-ai-product-cards {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed var(--ai-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wp-ai-product-card {
    display: flex;
    gap: 12px;
    padding: 10px;
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--ai-text) !important;
    transition: all 0.25s ease;
    overflow: hidden;
}

.wp-ai-product-card:hover {
    border-color: var(--ai-primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
    transform: translateY(-2px);
}

.wp-ai-product-img {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--ai-bg-soft);
}

.wp-ai-product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.wp-ai-product-noimg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
}

.wp-ai-sale-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    background: #ef4444;
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    line-height: 1;
}

.wp-ai-product-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.wp-ai-product-name {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--ai-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wp-ai-product-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.wp-ai-cat-tag {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    font-weight: 500;
    line-height: 1.4;
}

.wp-ai-product-desc {
    margin: 0;
    font-size: 11px;
    color: var(--ai-text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wp-ai-product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
}

.wp-ai-product-price {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.wp-ai-price-current {
    font-size: 14px;
    font-weight: 700;
    color: #dc2626;
}

.wp-ai-price-old {
    font-size: 11px;
    color: var(--ai-text-muted);
    text-decoration: line-through;
}

.wp-ai-price-sale {
    font-size: 14px;
    font-weight: 700;
    color: #dc2626;
}

.wp-ai-stock-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    line-height: 1.4;
}

.wp-ai-stock-in {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
}

.wp-ai-stock-out {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.wp-ai-product-sku {
    font-size: 10px;
    color: var(--ai-text-muted);
    opacity: 0.7;
}

/* Dark theme overrides cho product cards */
.wp-ai-theme-dark .wp-ai-product-card {
    background: var(--ai-bg-soft);
    border-color: var(--ai-border);
}

.wp-ai-theme-dark .wp-ai-product-noimg {
    background: linear-gradient(135deg, #1e293b, #334155);
}

.wp-ai-theme-dark .wp-ai-cat-tag {
    background: rgba(99, 102, 241, 0.2);
}

.wp-ai-theme-dark .wp-ai-price-current,
.wp-ai-theme-dark .wp-ai-price-sale {
    color: #f87171;
}

.wp-ai-badge-model {
    display: inline-block;
    margin-top: 6px;
    font-size: 10px;
    color: var(--ai-text-muted);
    opacity: 0.7;
}

/* Typing indicator */
.wp-ai-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 4px;
}

.wp-ai-typing-dot {
    width: 6px;
    height: 6px;
    background: var(--ai-text-muted);
    border-radius: 50%;
    animation: wpAiBounce 1.4s infinite ease-in-out both;
}

.wp-ai-typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.wp-ai-typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes wpAiBounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* Form Input */
.wp-ai-chat-form {
    padding: 12px 16px;
    border-top: 1px solid var(--ai-border);
    background: var(--ai-bg-soft);
}

.wp-ai-input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    padding: 6px 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.wp-ai-input-wrap:focus-within {
    border-color: var(--ai-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.wp-ai-chat-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--ai-text);
    font-size: 14px;
    line-height: 1.4;
    resize: none;
    max-height: 120px;
    padding: 4px 2px;
    font-family: inherit;
}

.wp-ai-submit-btn {
    background: var(--ai-primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, transform 0.1s;
}

.wp-ai-submit-btn:hover {
    background: var(--ai-primary-hover);
}

.wp-ai-submit-btn:active {
    transform: scale(0.95);
}

.wp-ai-submit-btn:disabled {
    background: var(--ai-border);
    cursor: not-allowed;
}

.wp-ai-footer-note {
    font-size: 11px;
    color: var(--ai-text-muted);
    text-align: center;
    margin-top: 6px;
}

/* =========================================================
   GLOBAL MODAL POPUP CHO AI CHAT
   ========================================================= */
.wp-ai-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
}

.wp-ai-modal-overlay.is-active {
    visibility: visible;
    opacity: 1;
}

.wp-ai-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
}

.wp-ai-modal-dialog {
    position: relative;
    z-index: 10;
    width: 94%;
    max-width: 680px;
    transform: scale(0.92) translateY(24px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.wp-ai-modal-overlay.is-active .wp-ai-modal-dialog {
    transform: scale(1) translateY(0);
}

.wp-ai-modal-close-btn {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #1e293b;
    color: #ffffff;
    border: 2px solid #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    transition: transform 0.2s, background-color 0.2s;
}

.wp-ai-modal-close-btn:hover {
    transform: scale(1.1);
    background: #ef4444;
}

.wp-ai-chat-container.wp-ai-is-modal {
    margin: 0 !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35) !important;
    max-height: 90vh;
}

.wp-ai-chat-container.wp-ai-is-modal .wp-ai-chat-messages {
    max-height: 62vh;
}

@media (max-width: 600px) {
    .wp-ai-modal-overlay {
        align-items: flex-end;
    }

    .wp-ai-modal-dialog {
        width: 100%;
        max-width: 100%;
        transform: translateY(100%);
    }

    .wp-ai-modal-overlay.is-active .wp-ai-modal-dialog {
        transform: translateY(0);
    }

    .wp-ai-chat-container.wp-ai-is-modal {
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        max-height: 90vh;
    }

    .wp-ai-modal-close-btn {
        top: 12px;
        right: 12px;
    }
}

/* Lock body scroll khi modal AI đang mở */
body.wp-ai-modal-open {
    overflow: hidden !important;
}

/* Suggestion Chips & Quick Greetings */
.wp-ai-suggestions-wrap {
    margin: 4px 0 12px 42px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.wp-ai-suggestions-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--ai-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wp-ai-suggestions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.wp-ai-suggestion-chip {
    background: #f1f5f9;
    color: #334155;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 6px 13px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-align: left;
    line-height: 1.3;
    outline: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.wp-ai-suggestion-chip:hover {
    background: #e0e7ff;
    color: #4338ca;
    border-color: #c7d2fe;
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(79, 70, 229, 0.12);
}

.wp-ai-suggestion-chip:active {
    transform: translateY(0);
}

.wp-ai-chip-icon {
    font-size: 13px;
}

/* Dark Theme Overrides for Suggestion Chips */
.wp-ai-theme-dark .wp-ai-suggestion-chip {
    background: #1e293b;
    color: #cbd5e1;
    border-color: #334155;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.wp-ai-theme-dark .wp-ai-suggestion-chip:hover {
    background: #312e81;
    color: #e0e7ff;
    border-color: #4f46e5;
    box-shadow: 0 3px 8px rgba(99, 102, 241, 0.25);
}