.rs-sf {
    --rs-sf-brand: #ea5440;
    --rs-sf-brand-dark: #b84333;
    --rs-sf-surface: #ffffff;
    --rs-sf-muted: #646970;
    --rs-sf-border: #e5e7eb;
    --rs-sf-shadow: 0 12px 40px color-mix(in srgb, var(--rs-sf-brand) 22%, transparent);
    --rs-sf-space: 16px;
    --rs-sf-gap: 12px;
    --rs-sf-radius: 14px;
    --rs-sf-radius-inner: 10px;
    --rs-sf-capsule-radius: 24px;
    --rs-sf-content-height: 380px;
    --rs-sf-peek: 42px;
    --rs-sf-transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

    position: fixed;
    bottom: 20px;
    left: auto;
    right: 0;
    z-index: 99999;
    font-family: "Varela Round", sans-serif;
    box-sizing: border-box;
    overflow: visible;
}

.rs-sf--open {
    right: 20px;
}

.rs-sf *,
.rs-sf *::before,
.rs-sf *::after {
    box-sizing: border-box;
}

.rs-sf__container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    width: max-content;
    max-width: 360px;
    transition: width var(--rs-sf-transition), box-shadow var(--rs-sf-transition);
}

.rs-sf--open .rs-sf__container {
    align-items: stretch;
    width: 360px;
    border-radius: var(--rs-sf-radius);
    box-shadow: var(--rs-sf-shadow);
    overflow: hidden;
    background: var(--rs-sf-surface);
}

.rs-sf__toggle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: auto;
    margin: 0;
    padding: 10px 16px;
    border: none;
    border-radius: var(--rs-sf-capsule-radius);
    background: var(--rs-sf-brand);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--rs-sf-brand) 32%, transparent);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    appearance: none;
    -webkit-appearance: none;
    transition:
        width var(--rs-sf-transition),
        padding var(--rs-sf-transition),
        border-radius var(--rs-sf-transition),
        box-shadow var(--rs-sf-transition),
        transform var(--rs-sf-transition),
        background var(--rs-sf-transition);
}

.rs-sf button.rs-sf__toggle {
    border: none !important;
    background: var(--rs-sf-brand) !important;
    color: #fff !important;
    box-shadow: 0 8px 24px color-mix(in srgb, var(--rs-sf-brand) 32%, transparent);
    text-shadow: none;
}

/* Peek tab — icon visible; label hidden until hover */
.rs-sf:not(.rs-sf--open) .rs-sf__toggle {
    gap: 0;
    padding: 10px 10px 10px 12px;
    border-radius: var(--rs-sf-capsule-radius) 0 0 var(--rs-sf-capsule-radius);
    transform: translateX(calc(100% - var(--rs-sf-peek)));
    box-shadow: -6px 8px 20px color-mix(in srgb, var(--rs-sf-brand) 28%, transparent);
}

.rs-sf:not(.rs-sf--open) .rs-sf__toggle::before {
    content: "";
    position: absolute;
    top: -10px;
    right: -6px;
    bottom: -10px;
    left: -20px;
}

.rs-sf:not(.rs-sf--open) .rs-sf__toggle-label {
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    transition:
        max-width var(--rs-sf-transition),
        opacity 0.18s ease;
}

.rs-sf:not(.rs-sf--open):hover .rs-sf__toggle,
.rs-sf:not(.rs-sf--open) .rs-sf__toggle:hover,
.rs-sf:not(.rs-sf--open) .rs-sf__toggle:focus-visible {
    gap: 8px;
    transform: translateX(-16px);
    padding: 10px 16px;
    border-radius: var(--rs-sf-capsule-radius);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--rs-sf-brand) 32%, transparent);
    outline: none;
}

.rs-sf:not(.rs-sf--open):hover .rs-sf__toggle-label,
.rs-sf:not(.rs-sf--open) .rs-sf__toggle:hover .rs-sf__toggle-label,
.rs-sf:not(.rs-sf--open) .rs-sf__toggle:focus-visible .rs-sf__toggle-label {
    max-width: 6em;
    opacity: 1;
}

.rs-sf:not(.rs-sf--open) .rs-sf__toggle:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--rs-sf-brand) 45%, #fff);
    outline-offset: 2px;
}

.rs-sf--open .rs-sf__toggle {
    width: 100%;
    padding: var(--rs-sf-space);
    border-radius: 0 0 var(--rs-sf-radius) var(--rs-sf-radius);
    box-shadow: none;
    transform: none;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    justify-content: center;
    gap: 8px;
    overflow: visible;
}

.rs-sf--open .rs-sf__toggle-label {
    max-width: none;
    opacity: 1;
    overflow: visible;
}

.rs-sf--open .rs-sf__toggle,
.rs-sf--open button.rs-sf__toggle {
    background: var(--rs-sf-brand) !important;
    box-shadow: none !important;
}

.rs-sf--open .rs-sf__toggle:hover,
.rs-sf--open .rs-sf__toggle:focus,
.rs-sf--open .rs-sf__toggle:focus-visible {
    transform: none;
    background: var(--rs-sf-brand);
    box-shadow: none;
    outline: none;
}

.rs-sf__toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 0;
    overflow: visible;
    min-width: 20px;
    min-height: 20px;
}

.rs-sf__toggle-icon svg,
.rs-sf__toggle-icon .rs-sf__icon {
    display: block;
    width: 20px;
    height: 20px;
    max-width: none;
    overflow: visible;
}

.rs-sf__toggle-label {
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    color: #fff;
}

.rs-sf__panel {
    display: grid;
    grid-template-rows: 0fr;
    width: 0;
    max-width: 0;
    margin: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    border: none;
    background: transparent;
    transition:
        grid-template-rows var(--rs-sf-transition),
        width var(--rs-sf-transition),
        max-width var(--rs-sf-transition),
        opacity var(--rs-sf-transition);
}

.rs-sf__panel-inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 0;
    overflow: hidden;
}

.rs-sf--open .rs-sf__panel {
    grid-template-rows: 1fr;
    width: 100%;
    max-width: 360px;
    opacity: 1;
    pointer-events: auto;
}

.rs-sf__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    margin: 0;
    padding: 16px;
    background: var(--rs-sf-brand);
    color: #fff;
}

.rs-sf__header-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.rs-sf__title {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.25;
    color: #fff;
}

.rs-sf__strapline {
    margin: 0;
    padding: 0;
    font-size: 12px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.88);
}

.rs-sf__close {
    width: 32px;
    height: 32px;
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.92;
}

.rs-sf__content {
    display: flex;
    flex-direction: column;
    gap: var(--rs-sf-gap);
    width: 100%;
    height: min(var(--rs-sf-content-height), calc(100vh - 240px));
    min-height: min(var(--rs-sf-content-height), calc(100vh - 240px));
    max-height: min(var(--rs-sf-content-height), calc(100vh - 240px));
    padding: var(--rs-sf-space);
    background: #f8f9fa;
    overflow: hidden;
}

.rs-sf__thread {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-right: 2px;
}

.rs-sf__message {
    display: flex;
    max-width: 92%;
}

.rs-sf__message--user {
    align-self: flex-end;
    justify-content: flex-end;
}

.rs-sf__message--bot {
    align-self: flex-start;
}

.rs-sf__bubble {
    padding: 10px 12px;
    border-radius: var(--rs-sf-radius-inner);
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
}

.rs-sf__message--user .rs-sf__bubble {
    background: var(--rs-sf-brand);
    color: #fff;
}

.rs-sf__message--bot .rs-sf__bubble {
    background: var(--rs-sf-surface);
    border: 1px solid var(--rs-sf-border);
    color: #1d2327;
}

.rs-sf__message--typing .rs-sf__bubble {
    color: var(--rs-sf-muted);
    font-style: italic;
}

.rs-sf__sources {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    margin-top: 10px;
    text-align: right;
}

.rs-sf__source {
    color: var(--rs-sf-brand-dark);
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
}

.rs-sf__source:hover,
.rs-sf__source:focus {
    text-decoration: underline;
}

.rs-sf__message--bot .rs-sf__contact-link {
    color: var(--rs-sf-brand-dark);
    font-weight: 600;
    text-decoration: none;
}

.rs-sf__message--bot .rs-sf__contact-link:hover,
.rs-sf__message--bot .rs-sf__contact-link:focus {
    text-decoration: underline;
}

.rs-sf__contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rs-sf__contact-name {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    color: #1d2327;
}

.rs-sf__contact-list {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rs-sf__contact-item {
    margin: 0;
}

.rs-sf__contact-item dt {
    margin: 0 0 2px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--rs-sf-muted);
}

.rs-sf__contact-item dd {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: #1d2327;
}

.rs-sf__suggestions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.rs-sf__suggestion {
    margin: 0;
    padding: 8px 12px;
    border: 1px solid color-mix(in srgb, var(--rs-sf-brand) 25%, var(--rs-sf-border));
    border-radius: 999px;
    background: #fff;
    color: var(--rs-sf-brand-dark);
    font-family: inherit;
    font-size: 12px;
    line-height: 1.35;
    text-align: left;
    cursor: pointer;
}

.rs-sf__suggestion:hover,
.rs-sf__suggestion:focus {
    background: color-mix(in srgb, var(--rs-sf-brand) 8%, #fff);
    outline: none;
}

.rs-sf__composer {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    margin: 0;
}

.rs-sf__input {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid var(--rs-sf-border);
    border-radius: var(--rs-sf-radius-inner);
    background: #fff;
    font-family: inherit;
    font-size: 13px;
    line-height: 1.3;
}

.rs-sf__input:focus {
    outline: 2px solid color-mix(in srgb, var(--rs-sf-brand) 35%, transparent);
    border-color: color-mix(in srgb, var(--rs-sf-brand) 40%, var(--rs-sf-border));
}

.rs-sf__send {
    margin: 0;
    padding: 10px 14px;
    border: none;
    border-radius: var(--rs-sf-radius-inner);
    background: var(--rs-sf-brand);
    color: #fff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.rs-sf__send:hover,
.rs-sf__send:focus {
    background: var(--rs-sf-brand-dark);
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    .rs-sf__container,
    .rs-sf__toggle,
    .rs-sf__panel {
        transition: none;
    }
}