/* Vera Q&A Widget Styles */

.vera-qa-widget-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    font-family: var(--font-sans);
}

/* Floating Chat Button */
.vera-qa-button {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-pill);
    background-color: var(--text-primary);
    color: var(--bg-white);
    border: none;
    box-shadow: var(--shadow-large-float);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.vera-qa-button:hover {
    transform: scale(1.05);
    background-color: #000;
}

.vera-qa-button svg {
    width: 28px;
    height: 28px;
    color: currentColor;
    transition: transform 0.3s ease;
}

.vera-qa-button.open svg {
    transform: rotate(90deg) scale(0);
    opacity: 0;
}

.vera-qa-button-icon {
    position: absolute;
    transition: all 0.3s ease;
}

.vera-qa-button-close {
    position: absolute;
    transform: rotate(-90deg) scale(0);
    opacity: 0;
    transition: all 0.3s ease;
}

.vera-qa-button.open .vera-qa-button-icon {
    transform: rotate(90deg) scale(0);
    opacity: 0;
}

.vera-qa-button.open .vera-qa-button-close {
    transform: rotate(0) scale(1);
    opacity: 1;
}

/* Chat Window */
.vera-qa-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 600px;
    max-height: calc(100vh - 120px);
    background: var(--bg-card);
    border-radius: var(--radius-card-inner);
    box-shadow: var(--shadow-large-float), inset 0 0 0 1px var(--border-light);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 480px) {
    .vera-qa-window {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        transform: translateY(100%);
    }
}

.vera-qa-window.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

/* Header */
.vera-qa-header {
    background: var(--text-primary);
    color: white;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vera-qa-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.vera-qa-header p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin: 4px 0 0 0;
}

.vera-qa-close-mobile {
    display: none;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    margin: -8px;
}

@media (max-width: 480px) {
    .vera-qa-close-mobile {
        display: block;
    }
}

/* Chat Area */
.vera-qa-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
    background: var(--bg-offwhite);
}

.vera-qa-message {
    max-width: 85%;
    display: flex;
    flex-direction: column;
    animation: veraMessageSlideIn 0.3s ease forwards;
}

@keyframes veraMessageSlideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.vera-qa-message.user {
    align-self: flex-end;
}

.vera-qa-message.assistant {
    align-self: flex-start;
}

.vera-qa-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
}

.vera-qa-message.user .vera-qa-bubble {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-bottom-right-radius: 4px;
    box-shadow: var(--shadow-soft-float);
}

.vera-qa-message.assistant .vera-qa-bubble {
    background: var(--text-primary);
    color: var(--bg-white);
    border-bottom-left-radius: 4px;
}

/* Sources */
.vera-qa-sources {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vera-qa-source-link {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    padding: 6px 10px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: border-color 0.2s ease;
}

.vera-qa-source-link:hover {
    border-color: var(--accent-blue);
}

/* Typing Indicator */
.vera-qa-typing {
    display: flex;
    gap: 4px;
    padding: 8px 4px;
    align-items: center;
}

.vera-qa-dot {
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: veraTyping 1.4s infinite ease-in-out both;
}

.vera-qa-dot:nth-child(1) { animation-delay: -0.32s; }
.vera-qa-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes veraTyping {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input Area */
.vera-qa-input-area {
    padding: 16px 20px;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.vera-qa-input-wrapper {
    flex: 1;
    background: var(--bg-offwhite);
    border: 1px solid var(--border-light);
    border-radius: 24px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.vera-qa-input-wrapper:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(15, 28, 63, 0.1);
}

.vera-qa-textarea {
    width: 100%;
    border: none;
    background: transparent;
    resize: none;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    max-height: 120px;
    outline: none;
    padding: 0;
    margin: 0;
    line-height: 1.4;
}

.vera-qa-textarea::placeholder {
    color: #999;
}

.vera-qa-send {
    background: var(--text-primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.vera-qa-send:hover {
    background: #000;
}

.vera-qa-send:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.vera-qa-send svg {
    width: 20px;
    height: 20px;
    margin-left: 2px;
}