/* 3DRicambi AI Assistant — Chat Widget */
/* Mobile-first, scoped under .aia-chat-widget */

.aia-chat-widget {
    --aia-primary: #0066cc;
    --aia-primary-dark: #004d99;
    --aia-bg: #ffffff;
    --aia-bg-gray: #f0f2f5;
    --aia-text: #1a1a1a;
    --aia-text-light: #666666;
    --aia-border: #e0e0e0;
    --aia-bubble-user: #0066cc;
    --aia-bubble-bot: #f0f2f5;
    --aia-radius: 12px;
    --aia-shadow: 0 4px 24px rgba(0,0,0,0.15);
    --aia-fab-size: 56px;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    color: var(--aia-text);
    z-index: 999999;
}

/* ── FAB ── */
.aia-fab {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: var(--aia-fab-size);
    height: var(--aia-fab-size);
    border-radius: 50%;
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,102,204,0.4), 0 1px 3px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    z-index: 999999;
    padding: 0;
    animation: aiaFabEnter 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s both;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

@keyframes aiaFabEnter {
    from { opacity: 0; transform: scale(0.5); }
    to   { opacity: 1; transform: scale(1); }
}

.aia-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(0,102,204,0.5), 0 2px 6px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #0055aa 0%, #003d7a 100%);
}

.aia-fab:active {
    transform: scale(0.95);
}

.aia-fab:focus-visible {
    outline: 3px solid rgba(0,102,204,0.5);
    outline-offset: 3px;
}

.aia-fab-icon--close {
    display: none;
}

.aia-chat-widget.aia--open .aia-fab-icon--chat {
    display: none;
}

.aia-chat-widget.aia--open .aia-fab-icon--close {
    display: block;
}

.aia-chat-widget.aia--open .aia-fab-badge,
.aia-chat-widget.aia--open .aia-fab-pulse {
    display: none;
}

/* ── FAB Pulse Ring ── */
.aia-fab-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid #0066cc;
    opacity: 0;
    pointer-events: none;
    animation: aiaFabPulse 3s ease-out 2s 3;
}

@keyframes aiaFabPulse {
    0%   { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ── FAB AI Badge ── */
.aia-fab-badge {
    position: absolute;
    top: -2px;
    right: -6px;
    background: #fff;
    color: var(--aia-primary);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.5px;
    padding: 2px 5px;
    border-radius: 6px;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
    animation: aiaBadgePop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) 1.3s both;
    pointer-events: none;
}

@keyframes aiaBadgePop {
    from { opacity: 0; transform: scale(0); }
    to   { opacity: 1; transform: scale(1); }
}

/* ── Teaser Speech Bubble ── */
.aia-teaser {
    position: fixed;
    bottom: 84px;
    left: 20px;
    max-width: 280px;
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    border: none;
    border-radius: 12px;
    padding: 14px 36px 14px 16px;
    box-shadow: 0 6px 20px rgba(0,102,204,0.35), 0 2px 6px rgba(0,0,0,0.1);
    z-index: 999999;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.aia-teaser.aia-teaser--visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.aia-teaser.aia-teaser--dismissed {
    opacity: 0 !important;
    transform: translateY(10px) scale(0.95) !important;
    pointer-events: none !important;
}

.aia-chat-widget.aia--open .aia-teaser {
    opacity: 0 !important;
    pointer-events: none !important;
}

.aia-teaser-tail {
    position: absolute;
    bottom: -6px;
    left: 22px;
    width: 12px;
    height: 12px;
    background: #004d99;
    border: none;
    transform: rotate(45deg);
}

.aia-teaser-close {
    position: absolute;
    top: 0;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    padding: 0;
    touch-action: manipulation;
}

.aia-teaser-close:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.aia-teaser-text {
    margin: 0;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    color: #fff;
}

.aia-teaser-text strong {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
}

/* ── Modal ── */
.aia-modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    height: 100vh;
    height: 100dvh; /* dynamic viewport height — respects iOS address bar */
    height: -webkit-fill-available;
    background: var(--aia-bg);
    display: flex;
    flex-direction: column;
    z-index: 999998;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    pointer-events: none;
    overscroll-behavior: contain;
}

.aia-chat-widget.aia--open .aia-modal {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* ── Header ── */
.aia-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--aia-primary);
    color: #fff;
    flex-shrink: 0;
}

.aia-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.aia-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.aia-header-title {
    display: block;
    font-weight: 600;
    font-size: 15px;
}

.aia-header-status {
    display: block;
    font-size: 12px;
    opacity: 0.8;
}

.aia-close-btn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

.aia-close-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* ── Messages Area ── */
.aia-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--aia-bg);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

/* Message bubbles */
.aia-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: var(--aia-radius);
    word-wrap: break-word;
    animation: aiaFadeIn 0.2s ease;
}

@keyframes aiaFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.aia-msg--bot {
    align-self: flex-start;
    background: var(--aia-bubble-bot);
    color: var(--aia-text);
    border-bottom-left-radius: 4px;
}

.aia-msg--user {
    align-self: flex-end;
    background: var(--aia-bubble-user);
    color: #fff;
    border-bottom-right-radius: 4px;
}

/* Typing indicator */
.aia-typing {
    align-self: flex-start;
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: var(--aia-bubble-bot);
    border-radius: var(--aia-radius);
    border-bottom-left-radius: 4px;
}

.aia-typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--aia-text-light);
    animation: aiaTyping 1.2s infinite ease-in-out;
}

.aia-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.aia-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes aiaTyping {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* ── Action Buttons (tipo, brand selection) ── */
.aia-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.aia-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    min-height: 44px;
    border: 1.5px solid var(--aia-primary);
    border-radius: 22px;
    background: var(--aia-bg);
    color: var(--aia-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
    box-sizing: border-box;
}

.aia-btn:hover {
    background: var(--aia-primary);
    color: #fff;
}

.aia-btn:active {
    transform: scale(0.95);
}

.aia-btn--small {
    padding: 6px 10px;
    font-size: 12px;
}

.aia-btn--whatsapp {
    background: #25d366;
    border-color: #25d366;
    color: #fff;
    font-weight: 600;
}

.aia-btn--whatsapp:hover {
    background: #1da851;
    border-color: #1da851;
    color: #fff;
}

/* ── Product Card ── */
.aia-product-card {
    display: flex;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--aia-border);
    border-radius: var(--aia-radius);
    background: var(--aia-bg);
    margin-top: 6px;
    animation: aiaFadeIn 0.25s ease;
}

.aia-product-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--aia-bg-gray);
    flex-shrink: 0;
}

.aia-product-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.aia-product-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--aia-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
}

.aia-product-title:hover {
    color: var(--aia-primary);
}

.aia-product-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--aia-primary);
}

.aia-product-stock {
    font-size: 12px;
    color: #2e7d32;
}

.aia-product-stock--out {
    color: #c62828;
}

.aia-add-to-cart {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    min-height: 44px;
    background: var(--aia-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    margin-top: auto;
    align-self: flex-start;
    font-family: inherit;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
    box-sizing: border-box;
}

.aia-add-to-cart:hover {
    background: var(--aia-primary-dark);
}

.aia-add-to-cart:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.aia-add-to-cart--added {
    background: #2e7d32;
}

/* ── Photo upload hint ── */
.aia-photo-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 2px solid var(--aia-primary);
    border-radius: var(--aia-radius);
    margin-top: 10px;
    cursor: pointer;
    color: var(--aia-primary);
    font-size: 14px;
    font-weight: 500;
    background: rgba(0, 102, 204, 0.06);
    transition: background 0.15s, transform 0.15s;
}

.aia-photo-hint:hover {
    background: rgba(0, 102, 204, 0.12);
    transform: scale(1.02);
}

.aia-photo-hint:active {
    transform: scale(0.98);
}

.aia-photo-hint svg {
    flex-shrink: 0;
}

/* ── Import progress ── */
.aia-import-progress {
    padding: 10px 14px;
    background: var(--aia-bg-gray);
    border-radius: var(--aia-radius);
    margin-top: 6px;
}

.aia-progress-bar {
    height: 4px;
    background: var(--aia-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}

.aia-progress-fill {
    height: 100%;
    background: var(--aia-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.aia-progress-text {
    font-size: 12px;
    color: var(--aia-text-light);
    margin-top: 4px;
}

/* ── Input Area ── */
.aia-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--aia-border);
    background: var(--aia-bg);
    flex-shrink: 0;
}

.aia-photo-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aia-text-light);
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    transition: color 0.15s;
    flex-shrink: 0;
    touch-action: manipulation;
}

.aia-photo-btn:hover {
    color: var(--aia-primary);
}

.aia-text-input {
    flex: 1;
    border: 1px solid var(--aia-border);
    border-radius: 20px;
    padding: 10px 14px;
    font-size: 16px; /* 16px prevents iOS auto-zoom on focus */
    outline: none;
    font-family: inherit;
    background: var(--aia-bg);
    color: var(--aia-text);
    transition: border-color 0.15s;
}

.aia-text-input:focus {
    border-color: var(--aia-primary);
}

.aia-text-input::placeholder {
    color: var(--aia-text-light);
}

.aia-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--aia-primary);
    color: #fff;
    cursor: pointer;
    transition: background 0.15s, transform 0.15s;
    flex-shrink: 0;
    padding: 0;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

.aia-send-btn:hover {
    background: var(--aia-primary-dark);
}

.aia-send-btn:active {
    transform: scale(0.9);
}

.aia-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Drag & Drop overlay ── */
.aia-drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 102, 204, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    border-radius: inherit;
    color: #fff;
}

.aia-drop-overlay--active {
    opacity: 1;
    pointer-events: auto;
}

.aia-drop-overlay svg {
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}

.aia-drop-overlay span {
    font-size: 16px;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* ── Utility ── */
.aia-hidden {
    display: none !important;
}

/* ── Desktop (768px+) ── */
@media (min-width: 768px) {
    .aia-modal {
        bottom: 90px;
        left: 20px;
        right: auto;
        top: auto;
        width: 400px;
        height: 600px;
        border-radius: 16px;
        box-shadow: var(--aia-shadow);
        transform: scale(0.9) translateY(20px);
        transform-origin: bottom left;
        overscroll-behavior: auto;
    }

    .aia-chat-widget.aia--open .aia-modal {
        transform: scale(1) translateY(0);
    }

    .aia-modal-header {
        border-radius: 16px 16px 0 0;
    }

    .aia-text-input {
        font-size: 14px; /* desktop: restore 14px, no zoom issue */
    }
}

/* ── Safe area for notch phones ── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .aia-input-area {
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }

    .aia-fab {
        bottom: calc(20px + env(safe-area-inset-bottom));
    }

    .aia-teaser {
        bottom: calc(84px + env(safe-area-inset-bottom));
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .aia-fab {
        animation: none;
        opacity: 1;
    }

    .aia-fab-pulse {
        animation: none;
        display: none;
    }

    .aia-fab-badge {
        animation: none;
        opacity: 1;
    }
}

/* ── Mobile teaser adjustments ── */
@media (max-width: 480px) {
    .aia-teaser {
        left: 12px;
        max-width: calc(100vw - 72px);
        bottom: 76px;
        font-size: 13px;
    }
}

/* ── Product page: raise FAB above sticky price bar ── */
@media (max-width: 767px) {
    body.single-product .aia-fab {
        bottom: 90px;
    }

    body.single-product .aia-teaser {
        bottom: 154px;
    }
}

@media (max-width: 767px) {
    @supports (padding-bottom: env(safe-area-inset-bottom)) {
        body.single-product .aia-fab {
            bottom: calc(90px + env(safe-area-inset-bottom));
        }

        body.single-product .aia-teaser {
            bottom: calc(154px + env(safe-area-inset-bottom));
        }
    }
}