:root {
    --ai-assistant-color: #007bff;
    --ai-assistant-hover-color: #0056b3;
    --ai-assistant-hover-bg-color: rgba(0, 123, 255, 0.1);
    --ai-assistant-bg-color: #ffffff;
    --ai-assistant-text-color: #333333;
    --ai-assistant-border-color: #e0e0e0;
    --ai-assistant-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.ai-assistant-widget {
    position: fixed;
    z-index: 999999;
    --ai-assistant-color: #007bff;
    --ai-assistant-hover-color: #0056b3;
    --ai-assistant-hover-bg-color: rgba(0, 123, 255, 0.1);
    visibility: hidden; /* Hide until positioned */
    opacity: 0;
    animation: widgetFadeIn 0.5s ease forwards;
}

@keyframes widgetFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Show widget when it has a position class */
.ai-assistant-widget[class*="position-"] {
    visibility: visible;
}

/* Position variants */
.ai-assistant-widget.position-bottom-right {
    bottom: 30px;
    right: 30px;
}

.ai-assistant-widget.position-bottom-left {
    bottom: 30px;
    left: 30px;
}

.ai-assistant-widget.position-top-right {
    top: 30px;
    right: 30px;
}

.ai-assistant-widget.position-top-left {
    top: 30px;
    left: 30px;
}

/* Widget Button */
.ai-assistant-widget-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--ai-assistant-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.ai-assistant-widget-button:hover {
    transform: scale(1.1);
}

.ai-assistant-widget-logo,
.ai-assistant-widget-icon {
    width: 30px;
    height: 30px;
    color: white;
}

/* Welcome Message Popup */
.ai-assistant-widget-welcome {
    position: absolute;
    background: white;
    padding: 12px 15px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    max-width: 300px;
    min-width: 200px;
    font-size: 14px;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999999;
    padding-right: 30px;
    word-wrap: break-word;
    white-space: normal;
    display: flex;
    flex-direction: column;
    border-left: 4px solid var(--ai-assistant-color);
    pointer-events: auto;
    visibility: hidden;
}

.ai-assistant-widget-welcome span {
    display: block;
    width: 100%;
}

/* Position welcome message based on widget position */
.ai-assistant-widget.position-bottom-right .ai-assistant-widget-welcome {
    bottom: 65px;
    right: 0;
    transform-origin: bottom right;
}

.ai-assistant-widget.position-bottom-left .ai-assistant-widget-welcome {
    bottom: 65px;
    left: 0;
    transform-origin: bottom left;
}

.ai-assistant-widget.position-top-right .ai-assistant-widget-welcome {
    top: 65px;
    right: 0;
    transform-origin: top right;
}

.ai-assistant-widget.position-top-left .ai-assistant-widget-welcome {
    top: 65px;
    left: 0;
    transform-origin: top left;
}

/* Welcome message close button - Important fixes for single-click functionality */
.ai-assistant-widget-welcome-close {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: none;
    border: none;
    color: #666;
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.2s ease;
    z-index: 999999;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    user-select: none;
    outline: none; /* Remove default focus outline */
}

.ai-assistant-widget-welcome-close:hover {
    color: var(--ai-assistant-color);
    background-color: var(--ai-assistant-hover-bg-color);
    transform: scale(1.1);
}

.ai-assistant-widget-welcome-close:active,
.ai-assistant-widget-welcome-close.clicked {
    color: var(--ai-assistant-color);
    background-color: var(--ai-assistant-hover-bg-color);
    transform: scale(0.95);
}

/* Add specific styles for mobile devices */
@media (hover: none) and (pointer: coarse) {
    .ai-assistant-widget-welcome {
        max-width: 300px;
        min-width: 200px;
    }
    
    .ai-assistant-widget-welcome-close {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }
    
    .ai-assistant-widget-welcome-close:active,
    .ai-assistant-widget-welcome-close.clicked {
        background-color: var(--ai-assistant-hover-bg-color);
    }
}

.ai-assistant-widget-welcome.show {
    opacity: 1;
    transform: translateY(0);
    visibility: visible; /* Show when .show class is added */
}

/* Chat Container */
.ai-assistant-widget-container {
    position: absolute;
    width: 400px;
    height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1000000; /* Higher than popup message */
}

/* Position chat container based on widget position */
.ai-assistant-widget.position-bottom-right .ai-assistant-widget-container {
    bottom: 80px;
    right: 0;
}

.ai-assistant-widget.position-bottom-left .ai-assistant-widget-container {
    bottom: 80px;
    left: 0;
}

.ai-assistant-widget.position-top-right .ai-assistant-widget-container {
    top: 80px;
    right: 0;
}

.ai-assistant-widget.position-top-left .ai-assistant-widget-container {
    top: 80px;
    left: 0;
}

.ai-assistant-widget-container.show {
    opacity: 1;
    transform: translateY(0);
}

/* Chat Header */
.ai-assistant-widget-header {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--ai-assistant-border-color);
    background-color: var(--ai-assistant-bg-color);
    border-radius: 12px 12px 0 0;
}

.ai-assistant-widget-header.with-logo {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-assistant-widget-header.with-logo h3 {
    display: flex;
    align-items: center;
    gap: 10px; 
}

.ai-assistant-widget-header-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
    margin-right: 8px;
}

.ai-assistant-widget-header h3 {
    margin: 0;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

.ai-assistant-widget-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: all 0.2s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.ai-assistant-widget-close:hover {
    color: var(--ai-assistant-color);
    background-color: var(--ai-assistant-hover-bg-color);
}

/* Reset button styles */
.ai-assistant-widget-reset {
    opacity: 0.7;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.ai-assistant-widget-reset:hover {
    opacity: 1;
    transform: rotate(180deg);
}

.ai-assistant-widget-reset svg {
    display: block;
}

/* Messages Container */
.ai-assistant-widget-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Message styles */
.message {
    padding: 10px 15px;
    margin: 5px 5px;
    border-radius: 10px;
    max-width: 85%;
    word-wrap: break-word;
}

.user-message {
    background-color: var(--ai-assistant-color);
    color: white;
    margin-left: auto;
}

.assistant-message {
    background-color: #f0f0f0;
    color: var(--ai-assistant-text-color);
    margin-right: auto;
}

.message-content {
    line-height: 1.4;
    font-size: 14px;
    white-space: pre-line; /* preserve line breaks */
}

/* Input Area */
.ai-assistant-widget-input {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    align-items: flex-end;
    position: relative;
    z-index: 1000001; /* Higher than chat container */
    background: white; /* Ensure it has a background */
}

.ai-assistant-widget-input textarea {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 12px;
    resize: none;
    min-height: 44px;
    max-height: 120px;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.4;
    transition: border-color 0.2s ease;
}

.ai-assistant-widget-input textarea:focus {
    outline: none;
    border-color: var(--ai-assistant-color);
}

/* Send Button */
.ai-assistant-widget-send {
    background-color: var(--ai-assistant-color);
    border: none;
    color: white;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
    margin-left: 10px;
    padding: 0;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 1000002; /* Highest z-index */
}

.ai-assistant-widget-send.icon-button {
    width: 44px;
    min-width: 44px;
    overflow: hidden;
}

.ai-assistant-widget-send svg {
    width: 24px;
    height: 24px;
    transition: transform 0.2s ease;
}

.ai-assistant-widget-send:hover {
    background-color: var(--ai-assistant-hover-color);
    transform: scale(1.05);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.ai-assistant-widget-send:active {
    transform: scale(0.95);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ai-assistant-widget-send:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

/* Loading Animation */
.ai-assistant-widget-loading {
    display: flex;
    gap: 4px;
    padding: 10px 15px;
    background: #f0f0f0;
    border-radius: 12px;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    animation: messageAppear 0.3s ease;
    border-left: 3px solid var(--ai-assistant-color);
}

.ai-assistant-widget-loading span {
    width: 8px;
    height: 8px;
    background: var(--ai-assistant-color);
    opacity: 0.7;
    border-radius: 50%;
    animation: loadingDots 1.4s infinite;
}

.ai-assistant-widget-loading span:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-assistant-widget-loading span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Animations */
@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loadingDots {
    0%, 100% {
        transform: scale(0.3);
    }
    50% {
        transform: scale(1);
    }
}

/* Size Variants */
.ai-assistant-widget.size-small .ai-assistant-widget-button {
    width: 50px;
    height: 50px;
}

.ai-assistant-widget.size-small .ai-assistant-widget-logo,
.ai-assistant-widget.size-small .ai-assistant-widget-icon {
    width: 25px;
    height: 25px;
}

.ai-assistant-widget.size-large .ai-assistant-widget-button {
    width: 70px;
    height: 70px;
}

.ai-assistant-widget.size-large .ai-assistant-widget-logo,
.ai-assistant-widget.size-large .ai-assistant-widget-icon {
    width: 35px;
    height: 35px;
}

/* Responsive Design */
@media screen and (max-width: 480px) {
    .ai-assistant-widget-container {
        width: 100%;
        height: 100%;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border-radius: 0;
        margin: 0;
        z-index: 1000001;
    }

    .ai-assistant-widget.position-bottom-right .ai-assistant-widget-container,
    .ai-assistant-widget.position-bottom-left .ai-assistant-widget-container,
    .ai-assistant-widget.position-top-right .ai-assistant-widget-container,
    .ai-assistant-widget.position-top-left .ai-assistant-widget-container {
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }

    .ai-assistant-widget-welcome {
        max-width: 85%;
        min-width: 200px;
        font-size: 13px;
        padding: 10px 15px;
    }

    .ai-assistant-widget-message {
        max-width: 90%;
    }

    .ai-assistant-widget-input {
        padding: 10px;
    }

    .ai-assistant-widget-input textarea {
        font-size: 16px;
        padding: 8px;
    }

    .ai-assistant-widget-send {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        min-height: 40px !important;
        padding: 0 !important;
        margin-left: 4px !important;
    }
    
    .ai-assistant-widget-send svg {
        width: 22px;
        height: 22px;
    }

    .ai-assistant-widget-header-logo {
        width: 20px;
        height: 20px;
    }
}

.ai-assistant-powered-by {
    text-align: center;
    font-size: 13px;
    color: #888;
    margin-top: 8px;
    margin-bottom: 8px;
    line-height: 1.6;
}
.ai-assistant-powered-by a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
}
.ai-assistant-powered-by a:hover {
    color: var(--ai-assistant-color);
    text-decoration: none;
}
.zephyr-logo {
    height: 20px;
    vertical-align: middle;
    margin-left: 4px;
}
@media screen and (max-width: 480px) {
    .ai-assistant-powered-by {
        font-size: 12px;
        margin-top: 6px;
        margin-bottom: 6px;
    }
    .zephyr-logo {
        height: 18px;
    }
}