/**
 * AI Chat Assistant for WooCommerce — Public Widget Styles
 *
 * CSS custom properties are set by PHP via wp_head (class-acafw-plugin.php).
 * Do not hardcode colors here — use var(--acafw-primary) etc.
 *
 * @package AI Chat Assistant for WooCommerce
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* ── Design Tokens ──────────────────────────────────────────────────────── */
:root {
    --acafw-primary: #6366f1;
    --acafw-primary-dark: #4f52c9;
    --acafw-dark: #1e293b;
    --acafw-white: #ffffff;
    --acafw-light: #f8fafc;
    --acafw-border: #e2e8f0;
    --acafw-text: #334155;
    --acafw-text-muted: #64748b;
    --acafw-shadow: 0 12px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.08);
    --acafw-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --acafw-glass: rgba(255, 255, 255, 0.85);
    --acafw-radius: 20px;
    --acafw-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.acafw-wrapper {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 999999 !important;
    font-family: var(--acafw-font);
    font-size: 14px;
    line-height: 1.5;
    box-sizing: border-box;
}

.acafw-wrapper.acafw-pos-left {
    right: auto !important;
    left: 24px !important;
}

.acafw-wrapper *,
.acafw-wrapper *::before,
.acafw-wrapper *::after {
    box-sizing: border-box;
}

/* ── Toggle Button ───────────────────────────────────────────────────────── */
.acafw-toggle-btn {
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    background: var(--acafw-primary) !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    cursor: pointer;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: var(--acafw-shadow) !important;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), filter 0.25s ease;
    position: relative;
    overflow: hidden;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.acafw-toggle-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.acafw-toggle-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.acafw-toggle-btn svg,
.acafw-custom-icon {
    width: 28px;
    height: 28px;
    fill: #ffffff;
    object-fit: contain;
}

.acafw-custom-icon {
    width: 32px;
    /* Slightly larger for custom icons */
    height: 32px;
    border-radius: 4px;
}

.acafw-icon-chat {
    opacity: 1;
    transform: scale(1);
}

.acafw-icon-close {
    opacity: 0;
    transform: scale(0.5);
}

.acafw-toggle-btn.acafw-open .acafw-icon-chat {
    opacity: 0;
    transform: scale(0.5);
}

.acafw-toggle-btn.acafw-open .acafw-icon-close {
    opacity: 1;
    transform: scale(1);
}

/* ── Chat Window ─────────────────────────────────────────────────────────── */
.acafw-window {
    position: absolute;
    bottom: 72px;
    right: 0;
    width: 360px !important;
    height: 520px !important;
    max-width: calc(100vw - 48px) !important;
    background: var(--acafw-white);
    border-radius: var(--acafw-radius) !important;
    box-shadow: var(--acafw-shadow) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden;
    border: 1px solid var(--acafw-border) !important;
    opacity: 0;
    transform: translateY(16px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom right;
    backdrop-filter: blur(12px);
}

.acafw-pos-left .acafw-window {
    right: auto;
    left: 0;
    transform-origin: bottom left;
}

.acafw-window.acafw-active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.acafw-header {
    background: var(--acafw-dark) !important;
    padding: 14px 18px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(4px);
}

.acafw-header-title {
    color: #ffffff !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    margin: 0 !important;
}

.acafw-header-close {
    background: transparent !important;
    border: none !important;
    padding: 4px !important;
}

.acafw-header-close svg {
    width: 18px !important;
    height: 18px !important;
    fill: rgba(255, 255, 255, 0.7) !important;
}

/* ── Chat Body ───────────────────────────────────────────────────────────── */
.acafw-body {
    flex: 1 !important;
    overflow-y: auto !important;
    padding: 16px !important;
    background: var(--acafw-light) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    scrollbar-width: thin;
    scrollbar-color: var(--acafw-primary) transparent;
}

.acafw-body::-webkit-scrollbar {
    width: 6px;
}

.acafw-body::-webkit-scrollbar-track {
    background: transparent;
}

.acafw-body::-webkit-scrollbar-thumb {
    background-color: var(--acafw-primary);
    border-radius: 10px;
    border: 2px solid transparent;
}

/* ── Messages & Avatars ──────────────────────────────────────────────────── */
.acafw-msg {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important;
    max-width: 85% !important;
    font-size: 13.5px !important;
    animation: acafw-slide-in 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.1) forwards;
    opacity: 0;
    transform: translateY(10px);
}

.acafw-avatar {
    width: 28px !important;
    height: 28px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    border: 1px solid var(--acafw-border) !important;
}

.acafw-bubble {
    padding: 10px 14px !important;
    border-radius: 14px !important;
    line-height: 1.5 !important;
    word-break: break-word !important;
    box-shadow: var(--acafw-shadow-sm) !important;
}

.acafw-msg-bot {
    align-self: flex-start !important;
}

.acafw-msg-bot .acafw-bubble,
.acafw-msg-bot:not(:has(.acafw-bubble)) {
    background: var(--acafw-white) !important;
    color: var(--acafw-text) !important;
    border: 1px solid var(--acafw-border) !important;
    border-bottom-left-radius: 4px !important;
}

/* Support for old structure just in case */
.acafw-msg-bot:not(:has(.acafw-bubble)) {
    padding: 10px 14px !important;
    border-radius: 14px !important;
    border-bottom-left-radius: 4px !important;
}

.acafw-msg-user {
    align-self: flex-end !important;
    background: var(--acafw-primary) !important;
    color: #ffffff !important;
    padding: 10px 14px !important;
    border-radius: 14px !important;
    border-bottom-right-radius: 4px !important;
}

/* ── Rich Content Styles ─────────────────────────────────────────────────── */
.acafw-bubble img,
.acafw-bubble video,
.acafw-bubble iframe {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 8px !important;
    margin: 8px 0 !important;
    display: block !important;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.acafw-footer {
    padding: 12px 14px !important;
    background: var(--acafw-white) !important;
    border-top: 1px solid var(--acafw-border) !important;
    display: flex !important;
    gap: 8px !important;
    align-items: center !important;
}

#acafw-input {
    flex: 1 !important;
    border: 1px solid var(--acafw-border) !important;
    border-radius: 22px !important;
    padding: 9px 16px !important;
    background: var(--acafw-light) !important;
    height: 40px !important;
}

.acafw-send-btn {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: var(--acafw-primary) !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.acafw-send-btn svg {
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    display: block !important;
    margin: 0 auto !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.acafw-send-btn svg path {
    fill: #ffffff !important;
}

/* ── Typing Indicator ────────────────────────────────────────────────────── */
.acafw-typing {
    padding: 8px 16px !important;
    display: none;
    gap: 4px !important;
}

.acafw-typing-active {
    display: flex !important;
}

.acafw-typing span {
    width: 6px !important;
    height: 6px !important;
    background: var(--acafw-text-muted) !important;
    border-radius: 50% !important;
    animation: acafw-bounce 1s infinite !important;
}

.acafw-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.acafw-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Powered by Link */
.acafw-powered {
    padding: 4px 14px 8px !important;
    background: var(--acafw-white) !important;
    text-align: center !important;
    font-size: 10px !important;
}

.acafw-powered a {
    color: var(--acafw-text-muted) !important;
    text-decoration: none !important;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.acafw-powered a:hover {
    opacity: 1;
}

@keyframes acafw-bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-4px);
    }
}

@keyframes acafw-slide-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes acafw-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.acafw-avatar {
    animation: acafw-pulse 2s infinite;
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .acafw-window {
        position: fixed;
        inset: 0;
        width: 100%;
        height: 100%;
        border-radius: 0 !important;
        transform: translateY(100%);
    }

    .acafw-window.acafw-active {
        transform: translateY(0);
    }

    .acafw-toggle-btn.acafw-open {
        display: none !important;
    }
}