/* ========================================
   BIGZWEB AI — Chatbot Styles
   Customizable via --aicb-* variables
   ======================================== */

/* ---- Floating Container ---- */
.aicb-floating {
    all: initial !important;
    position: fixed !important;
    bottom: 24px !important;
    z-index: 99999 !important;
    font-family: var(--aicb-font, 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif) !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}
.aicb-pos-right { right: 24px !important; }
.aicb-pos-left  { left: 24px !important; }

/* Reset: เฉพาะปุ่มลอย — ไม่ใช้กับ chat panel เพื่อไม่ให้ override padding/margin ของ messages, bubbles */
.aicb-floating > .aicb-float-btn,
.aicb-floating > .aicb-float-btn *,
.aicb-floating > .aicb-float-btn *::before,
.aicb-floating > .aicb-float-btn *::after {
    box-sizing: border-box !important;
    border: none !important;
    text-decoration: none !important;
    list-style: none !important;
    float: none !important;
    letter-spacing: normal !important;
    text-transform: none !important;
    text-indent: 0 !important;
    text-shadow: none !important;
    background-image: none !important;
    outline: none !important;
    -webkit-font-smoothing: antialiased !important;
}

/* ---- Float Button ---- */
.aicb-float-btn {
    all: initial !important;
    width: var(--aicb-btn-size, 56px) !important;
    height: var(--aicb-btn-size, 56px) !important;
    border-radius: 50% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: var(--aicb-primary, #8750f7) !important;
    color: #fff !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
    position: relative !important;
    overflow: hidden !important;
    font-family: inherit !important;
    line-height: 1 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25) !important;
}
.aicb-float-btn:hover { transform: scale(1.08) !important; }
.aicb-float-btn .aicb-btn-svg { width: 24px !important; height: 24px !important; fill: none !important; stroke: currentColor !important; }
.aicb-float-btn .aicb-btn-emoji { font-size: 26px !important; line-height: 1 !important; }
.aicb-float-btn .aicb-btn-img { width: 60% !important; height: 60% !important; object-fit: contain !important; border-radius: 50% !important; }
.aicb-float-icon-close { display: none !important; }
.aicb-float-icon-close svg { width: 22px !important; height: 22px !important; }
.aicb-floating.open .aicb-float-icon-open { display: none !important; }
.aicb-floating.open .aicb-float-icon-close { display: flex !important; }

/* ---- Body lock when chat fullscreen (mobile only) ---- */
@media (max-width: 767px) {
    body.aicb-chat-open {
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
        height: 100% !important;
        touch-action: none !important;
    }
    body.aicb-chat-open .aicb-panel { touch-action: auto !important; }
}

/* ---- Chat Root ---- */
.aicb-chat {
    all: initial !important;
    font-family: var(--aicb-font, 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif) !important;
    font-size: var(--aicb-font-size, 14px) !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    color: var(--aicb-bot-text, #333333) !important;
    background: var(--aicb-bg, #ffffff) !important;
    border-radius: var(--aicb-radius, 16px) !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    text-align: left !important;
    direction: ltr !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    -webkit-text-size-adjust: 100% !important;
    touch-action: manipulation !important;
}
.aicb-inline {
    width: var(--aicb-width, 400px) !important;
    max-height: var(--aicb-height, 520px) !important;
    border: 1px solid rgba(0,0,0,0.08) !important;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06) !important;
}
.aicb-panel {
    position: absolute !important;
    bottom: calc(var(--aicb-btn-size, 56px) + 14px) !important;
    width: var(--aicb-width, 400px) !important;
    max-height: var(--aicb-height, 520px) !important;
    box-shadow: 0 8px 40px rgba(0,0,0,0.18) !important;
    opacity: 0 !important;
    transform: translateY(12px) scale(0.95) !important;
    pointer-events: none !important;
    transition: opacity 0.25s ease, transform 0.25s ease !important;
}
.aicb-pos-right .aicb-panel { right: 0 !important; }
.aicb-pos-left .aicb-panel  { left: 0 !important; }
.aicb-floating.open .aicb-panel {
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
}
/* Fullscreen only on mobile; PC keeps box style */
@media (max-width: 767px) {
    .aicb-floating.open .aicb-panel {
        position: fixed !important;
        inset: 0 !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        max-height: none !important;
        border-radius: 0 !important;
        touch-action: manipulation !important;
    }
    .aicb-floating.open .aicb-panel .aicb-header { flex-shrink: 0 !important; }
    .aicb-floating.open .aicb-panel .aicb-messages {
        flex: 1 !important;
        min-height: 0 !important;
        max-height: none !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    .aicb-floating.open .aicb-panel .aicb-input-area { flex-shrink: 0 !important; }
    .aicb-floating.open .aicb-panel .aicb-powered { flex-shrink: 0 !important; }
}

/* ---- Header ---- */
.aicb-header {
    background: var(--aicb-primary, #8750f7) !important;
    color: var(--aicb-header-text, #ffffff) !important;
    padding: 14px 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-shrink: 0 !important;
    min-height: 56px !important;
}
.aicb-header-info { display: flex !important; align-items: center !important; gap: 10px !important; }
.aicb-header-avatar {
    width: 34px !important;
    height: 34px !important;
    border-radius: 50% !important;
    background: rgba(255,255,255,0.15) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
}
.aicb-header-avatar .aicb-bot-svg { width: 20px !important; height: 20px !important; }
.aicb-header-avatar .aicb-bot-emoji { font-size: 20px !important; line-height: 1 !important; }
.aicb-header-avatar .aicb-bot-img { width: 100% !important; height: 100% !important; object-fit: cover !important; border-radius: 50% !important; }
.aicb-header-title { font-weight: 600 !important; font-size: calc(var(--aicb-font-size, 14px) + 1px) !important; line-height: 1.3 !important; color: inherit !important; }
.aicb-header-subtitle { font-size: calc(var(--aicb-font-size, 14px) - 3px) !important; font-weight: 400 !important; opacity: 0.75 !important; margin-top: 2px !important; line-height: 1.3 !important; color: inherit !important; }
.aicb-header-close {
    all: initial !important;
    background: none !important;
    border: none !important;
    color: inherit !important;
    cursor: pointer !important;
    opacity: 0.7 !important;
    transition: opacity 0.15s !important;
    padding: 4px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
}
.aicb-header-close:hover { opacity: 1 !important; }
.aicb-header-close svg { width: 18px !important; height: 18px !important; fill: none !important; stroke: currentColor !important; }

/* ---- Messages ---- */
.aicb-messages {
    flex: 1 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    padding: 14px !important;
    min-height: 120px !important;
    max-height: calc(var(--aicb-height, 520px) - 140px) !important;
    scroll-behavior: smooth !important;
    background: var(--aicb-bg, #ffffff) !important;
    -webkit-overflow-scrolling: touch !important;
}
.aicb-msg {
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
    margin-bottom: 11px !important;
    animation: aicb-fadeIn 0.25s ease !important;
}
@keyframes aicb-fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.aicb-msg-user { flex-direction: row-reverse !important; }

/* Avatars */
.aicb-msg-avatar {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
    background: var(--aicb-bot-bubble, #f0f0f0) !important;
}
.aicb-msg-avatar .aicb-bot-svg { width: 16px !important; height: 16px !important; stroke: var(--aicb-bot-text, #333) !important; }
.aicb-msg-avatar .aicb-bot-emoji { font-size: 16px !important; line-height: 1 !important; }
.aicb-msg-avatar .aicb-bot-img { width: 100% !important; height: 100% !important; object-fit: cover !important; border-radius: 50% !important; }
.aicb-msg-user .aicb-msg-avatar { display: none !important; }

/* Bubbles */
.aicb-bubble {
    max-width: 78% !important;
    padding: 10px 14px !important;
    border-radius: var(--aicb-radius, 16px) !important;
    word-wrap: break-word !important;
    white-space: pre-wrap !important;
}
.aicb-msg-bot .aicb-bubble {
    background: var(--aicb-bot-bubble, #f0f0f0) !important;
    color: var(--aicb-bot-text, #333333) !important;
    border-bottom-left-radius: 4px !important;
}
.aicb-msg-user .aicb-bubble {
    background: var(--aicb-primary, #8750f7) !important;
    color: var(--aicb-user-text, #ffffff) !important;
    border-bottom-right-radius: 4px !important;
}

/* Typing */
.aicb-typing .aicb-bubble { display: flex !important; align-items: center !important; gap: 5px !important; padding: 14px 20px !important; }
.aicb-typing-dot {
    width: 7px !important;
    height: 7px !important;
    border-radius: 50% !important;
    background: var(--aicb-bot-text, #999) !important;
    opacity: 0.4 !important;
    animation: aicb-bounce 1.2s infinite !important;
    display: inline-block !important;
}
.aicb-typing-dot:nth-child(2) { animation-delay: 0.2s !important; }
.aicb-typing-dot:nth-child(3) { animation-delay: 0.4s !important; }
@keyframes aicb-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* ---- Input ---- */
.aicb-input-area {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important;
    padding: 10px 14px !important;
    border-top: 1px solid rgba(0,0,0,0.06) !important;
    background: var(--aicb-bg, #ffffff) !important;
    flex-shrink: 0 !important;
}
.aicb-input {
    all: initial !important;
    flex: 1 1 auto !important;
    border: 2px solid rgba(0,0,0,0.1) !important;
    border-radius: 22px !important;
    padding: 10px 16px !important;
    font-size: var(--aicb-font-size, 14px) !important;
    font-family: var(--aicb-font, 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif) !important;
    font-weight: 400 !important;
    background: var(--aicb-input-bg, #ffffff) !important;
    color: var(--aicb-input-text, #333333) !important;
    resize: none !important;
    max-height: 100px !important;
    min-height: 40px !important;
    line-height: 1.4 !important;
    transition: border-color 0.2s !important;
    display: block !important;
    width: 0 !important;
    min-width: 0 !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}
.aicb-input:focus { border-color: var(--aicb-input-border, var(--aicb-primary, #8750f7)) !important; }
.aicb-input::placeholder { color: rgba(0,0,0,0.35) !important; opacity: 1 !important; }
.aicb-send-btn {
    all: initial !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    border: none !important;
    background: var(--aicb-send-btn, var(--aicb-primary, #8750f7)) !important;
    color: var(--aicb-send-icon, #ffffff) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    transition: opacity 0.15s, transform 0.15s !important;
    line-height: 1 !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}
.aicb-send-btn:hover { opacity: 0.85 !important; transform: scale(1.05) !important; }
.aicb-send-btn:disabled { opacity: 0.5 !important; cursor: default !important; transform: none !important; }
.aicb-send-btn svg { width: 16px !important; height: 16px !important; fill: none !important; stroke: currentColor !important; }

/* ---- Powered By ---- */
.aicb-powered {
    text-align: center !important;
    padding: 6px 8px !important;
    font-size: 10px !important;
    flex-shrink: 0 !important;
    background: var(--aicb-powered-bg, rgba(135, 80, 247, 0.06)) !important;
    border-top: 1px solid rgba(135, 80, 247, 0.06) !important;
}
.aicb-powered-link {
    color: var(--aicb-powered-text, rgba(135, 80, 247, 0.55)) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    letter-spacing: 0.3px !important;
    transition: color 0.2s !important;
}
.aicb-powered-link:hover { color: var(--aicb-primary, rgba(135, 80, 247, 0.85)) !important; text-decoration: none !important; }

/* Scrollbar */
.aicb-messages::-webkit-scrollbar { width: 5px !important; }
.aicb-messages::-webkit-scrollbar-track { background: transparent !important; }
.aicb-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12) !important; border-radius: 10px !important; }
.aicb-messages::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2) !important; }

/* ---- Quick Cards ---- */
.aicb-quickcards-wrap {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    padding: 0 0 8px 0 !important;
    margin-bottom: 4px !important;
}
.aicb-quickcard {
    all: unset !important;
    font-family: inherit !important;
    font-size: calc(var(--aicb-font-size, 14px) - 1px) !important;
    padding: 8px 12px !important;
    border-radius: 20px !important;
    background: var(--aicb-bot-bubble, #f0f0f0) !important;
    color: var(--aicb-bot-text, #333) !important;
    cursor: pointer !important;
    transition: background 0.15s, transform 0.1s !important;
    border: 1px solid rgba(0,0,0,0.06) !important;
    line-height: 1.3 !important;
}
.aicb-quickcard:hover {
    background: var(--aicb-primary, #8750f7) !important;
    color: #fff !important;
    transform: scale(1.02) !important;
}

/* PC mode: larger chat panel */
@media (min-width: 768px) {
    .aicb-inline,
    .aicb-panel {
        width: max(var(--aicb-width, 400px), 460px) !important;
        max-height: max(var(--aicb-height, 520px), 620px) !important;
    }
}

/* Responsive */
@media (max-width: 480px) {
    .aicb-panel, .aicb-inline { width: calc(100vw - 32px) !important; max-height: 70vh !important; }
    .aicb-pos-right .aicb-panel { right: -8px !important; }
    .aicb-pos-left .aicb-panel { left: -8px !important; }
}