:root {
    --primary: #002f7d;
    --surface: #f9f9fa;
    --surface-container: #ebeef0;
    --surface-container-highest: #dde3e7;
    --on-surface: #16191a;
    --on-surface-variant: #5a6063;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-headline: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--surface);
    color: var(--on-surface);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
    max-width: 98vw;
    width: 100%;
    min-width: 250px;
    margin: 0 auto;
    padding: 1rem 1rem 4.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

@media (max-width: 640px) {
    main {
        padding-left: 0.3rem;
        padding-right: 0.3rem;
    }

    .nbaiservice-message {
        max-width: 92%;
    }
}

.nbaiservice-icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: currentColor;
}

.nbaiservice-message {
    max-width: 87%;
    display: flex;
    flex-direction: column;
}

.nbaiservice-bot-message {
    align-self: flex-start;
}

.nbaiservice-user-message {
    align-self: flex-end;
    max-width: 80%;
}

.nbaiservice-bubble {
    padding: 0.85rem 1.15rem;
    border-radius: 1rem;
    line-height: 1.5;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.nbaiservice-bot-bubble {
    background-color: var(--surface-container-highest);
    color: var(--on-surface);
    border-bottom-left-radius: 0.25rem;
}

.nbaiservice-user-bubble {
    background-color: var(--white);
    color: var(--on-surface);
    border-bottom-right-radius: 0.25rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.25);
}

/* Action Buttons */
.nbaiservice-actions-container {
    margin-top: 0.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    width: 100%;
}

.nbaiservice-action-btn {
    background: var(--white);
    border: 1px solid var(--surface-container-highest);
    color: var(--primary);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nbaiservice-action-btn:hover {
    background: var(--surface-container);
    border-color: var(--primary);
    transform: translateX(4px);
}

.nbaiservice-action-icon {
    opacity: 0.5;
    color: var(--on-surface-variant);
}

.nbaiservice-action-btn.nbaiservice-btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--surface-container);
}

.nbaiservice-action-btn.nbaiservice-btn-disabled:hover {
    transform: none;
    border-color: var(--surface-container-highest);
}

.nbaiservice-bot-bubble.nbaiservice-qa-bubble {
    padding: 0;
}

.nbaiservice-qa-question {
    padding: 0.85rem 1.15rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-weight: lighter;
    font-size: 1.1em;
    letter-spacing: 0.8px;
}

.nbaiservice-qa-answer {
    padding: 0.85rem 1.15rem;
    white-space: pre-wrap;
}

.nbaiservice-qa-source {
    padding: 0.65rem 1.15rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 0.85em;
    color: var(--on-surface-variant);
}

.nbaiservice-qa-source a {
    color: var(--primary);
    text-decoration: none;
}

.nbaiservice-qa-source a:hover {
    text-decoration: underline;
}

/* Loading Spinner */
.nbaiservice-loading-container {
    display: flex;
    padding: 0.5rem 0;
}

.nbaiservice-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 83, 219, 0.1);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: nbaiservice-spin 0.8s linear infinite;
}

.nbaiservice-spinner-text {
    font-size: 0.85em;
    color: var(--on-surface-variant);
    padding-inline-start: 8px;
}

@keyframes nbaiservice-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 40;
}

.nbaiservice-footer-content {
    max-width: 98vw;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nbaiservice-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 4px;
}

.nbaiservice-input {
    width: 100%;
    background-color: var(--surface-container-highest);
    border: 2px solid transparent;
    border-radius: 0.75rem;
    padding: 0.85rem 3.5rem 0.85rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--on-surface);
    transition: all 0.3s ease;
    outline: none;
}

.nbaiservice-input:focus {
    background-color: var(--white);
    border-color: rgba(0, 83, 219, 0.1);
    box-shadow: 0 0 0 4px rgba(0, 83, 219, 0.05);
}

.nbaiservice-input::placeholder {
    color: #000000;
    opacity: 0.5;
}

.nbaiservice-send-btn {
    position: absolute;
    right: 0.75rem;
    border: none;
    border-radius: 0.75rem;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.nbaiservice-send-btn:hover {
    transform: translateX(1px);
    background: #00000013;
}

.nbaiservice-send-btn:active {
    transform: translateX(2px);
    background: #00000028;
}


.nbaiservice-disclaimer {
    text-align: center;
    font-size: 0.7rem;
    color: var(--on-surface-variant);
    font-weight: 400;
}

/* Error Bubble */
.nbaiservice-bot-bubble.nbaiservice-error-bubble {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.nbaiservice-consent {
    padding: 0.5rem;
    margin-right: 1rem;
    margin-left: 1rem;
    margin-bottom: 3rem;
    border-radius: 0.75rem;
    border: 1px solid #000000;
}

.nbaiservice-consent-btn-container {
    display: flex;
    justify-content: center;
}

.nbaiservice-consent-btn {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    border: none;
    border-radius: 0.75rem;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.2s ease;
    letter-spacing: 5%;
    font-size: 1em;
}

.nbaiservice-consent-btn:hover {
    transform: translateX(1px);
}

.nbaiservice-consent-btn:active {
    transform: translateX(2px);
}