/* CareTrack public support chat — follows site locale + data-bs-theme (--ct-* tokens) */
.ss-chat {
    --ss-bg: var(--ct-surface);
    --ss-bg-header: var(--ct-surface-muted);
    --ss-bg-bubble: var(--ct-input-bg);
    --ss-bg-input: var(--ct-input-bg);
    --ss-border: var(--ct-border);
    --ss-text: var(--ct-text);
    --ss-text-muted: var(--ct-muted);
    --ss-accent: var(--ct-primary);
    --ss-accent-hover: var(--ct-primary-dark);
    --ss-shadow: var(--ct-shadow-lg);
    --ss-fab-glow: color-mix(in srgb, var(--ss-accent) 38%, transparent);
    --ss-on-accent: #ffffff;

    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1090;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--ss-text);
    pointer-events: none;
}

.ss-chat-fab,
.ss-chat-panel {
    pointer-events: auto;
}

/* FAB — circular accent; becomes close (X) when open */
.ss-chat-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1091;
    min-width: 3.5rem;
    height: 3.5rem;
    padding: 0 1.1rem;
    border-radius: 999px;
    border: none;
    background: var(--ss-accent);
    color: var(--ss-on-accent);
    box-shadow: 0 10px 28px var(--ss-fab-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.ss-chat-fab:hover {
    background: var(--ss-accent-hover);
    transform: translateY(-2px);
}

.ss-chat-fab:focus-visible {
    outline: 2px solid var(--ss-accent);
    outline-offset: 3px;
}

.ss-chat-fab-label {
    font-size: 0.875rem;
    line-height: 1;
    white-space: nowrap;
}

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

.ss-chat.is-open .ss-chat-fab {
    width: 3.5rem;
    padding: 0;
    background: var(--ss-bg);
    box-shadow: var(--ss-shadow);
    border: 1px solid var(--ss-border);
}

.ss-chat.is-open .ss-chat-fab:hover {
    background: var(--ct-surface-elevated, var(--ss-bg));
    color: var(--ss-text);
    transform: none;
}

.ss-chat.is-open .ss-chat-fab-icon--closed,
.ss-chat.is-open .ss-chat-fab-label {
    display: none;
}

.ss-chat.is-open .ss-chat-fab-icon--open {
    display: inline-flex;
}

.ss-chat-fab.is-pulse {
    animation: ss-chat-pulse 2s ease-in-out 3;
}

@keyframes ss-chat-pulse {
    0%,
    100% {
        box-shadow: 0 10px 28px var(--ss-fab-glow);
    }
    50% {
        box-shadow: 0 10px 36px color-mix(in srgb, var(--ss-accent) 55%, transparent);
    }
}

/* Panel */
.ss-chat-panel {
    position: fixed;
    bottom: calc(3.5rem + 1rem);
    right: 1.5rem;
    z-index: 1092;
    width: min(400px, calc(100vw - 2rem));
    max-height: min(720px, 88vh);
    min-height: min(560px, 72vh);
    background: var(--ss-bg);
    border: 1px solid var(--ss-border);
    border-radius: 1rem;
    box-shadow: var(--ss-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ss-chat-panel[hidden] {
    display: none !important;
}

/* Header */
.ss-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    background: var(--ss-bg-header);
    border-bottom: 1px solid var(--ss-border);
    flex-shrink: 0;
}

.ss-chat-header-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.ss-chat-header-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ss-text);
    letter-spacing: -0.01em;
}

.ss-chat-avatar {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--ss-accent);
    color: var(--ss-on-accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ss-chat-avatar--sm {
    width: 1.85rem;
    height: 1.85rem;
    font-size: 0.625rem;
}

.ss-chat-header-close {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 0.4rem;
    background: transparent;
    color: var(--ss-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background 0.15s ease;
}

.ss-chat-header-close:hover {
    color: var(--ss-text);
    background: color-mix(in srgb, var(--ss-text) 8%, transparent);
}

/* Messages */
.ss-chat-messages {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1.1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 380px;
    max-height: none;
    scrollbar-color: color-mix(in srgb, var(--ss-text-muted) 45%, transparent) transparent;
}

.ss-chat-row {
    display: flex;
    align-items: flex-end;
    gap: 0.55rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.ss-chat-row--user {
    flex-direction: row;
    justify-content: flex-end;
}

.ss-chat-row--assistant {
    flex-direction: row;
    justify-content: flex-start;
}

.ss-chat-bubble {
    /* Do not shrink: default flex-shrink:1 squeezed bubbles to ~1ch wide and stacked letters vertically */
    flex-shrink: 0;
    min-width: 0;
    max-width: min(92%, calc(100% - 2.75rem));
    padding: 0.75rem 0.95rem;
    border-radius: 0.85rem;
    line-height: 1.55;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: normal;
    font-size: 0.875rem;
}

.ss-chat-bubble--assistant {
    background: var(--ss-bg-bubble);
    color: var(--ss-text);
    border: 1px solid var(--ss-border);
    box-shadow: var(--ct-shadow);
}

.ss-chat-bubble--user {
    background: var(--ss-accent);
    color: var(--ss-on-accent);
    border: none;
    /* Full-width cap still allows short lines to size naturally */
    width: fit-content;
    max-width: min(88%, calc(100% - 1rem));
}

.ss-chat-bubble--thinking {
    opacity: 0.7;
    font-style: italic;
    color: var(--ss-text-muted);
}

/* Composer */
.ss-chat-composer {
    flex-shrink: 0;
    padding: 0.75rem 1rem 0.85rem;
    border-top: 1px solid var(--ss-border);
    background: var(--ss-bg);
}

.ss-chat-form {
    margin: 0;
}

.ss-chat-composer-bar {
    display: flex;
    align-items: flex-end;
    gap: 0.35rem;
    background: var(--ss-bg-input);
    border: 1px solid var(--ss-border);
    border-radius: 999px;
    padding: 0.35rem 0.4rem 0.35rem 0.55rem;
}

.ss-chat-composer-icon {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--ss-text-muted);
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background 0.15s ease;
}

.ss-chat-composer-icon:hover:not(:disabled) {
    color: var(--ss-text);
    background: color-mix(in srgb, var(--ss-text) 8%, transparent);
}

.ss-chat-composer-icon:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.ss-chat-input {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 1.5rem;
    max-height: 6rem;
    resize: none;
    border: none;
    background: transparent;
    color: var(--ss-text);
    font-size: 0.875rem;
    line-height: 1.45;
    padding: 0.35rem 0.25rem;
    margin: 0;
}

.ss-chat-input::placeholder {
    color: var(--ss-text-muted);
}

.ss-chat-input:focus {
    outline: none;
}

.ss-chat-send {
    flex-shrink: 0;
    width: 2.35rem;
    height: 2.35rem;
    border: none;
    border-radius: 50%;
    background: var(--ss-accent);
    color: var(--ss-on-accent);
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.15s ease;
}

.ss-chat-send:hover:not(:disabled) {
    background: var(--ss-accent-hover);
    transform: scale(1.04);
}

.ss-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ss-chat-powered {
    margin: 0.55rem 0 0;
    font-size: 0.7rem;
    text-align: center;
    color: var(--ss-text-muted);
    line-height: 1.4;
}

.ss-chat-powered a {
    color: var(--ss-text-muted);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ss-chat-powered a:hover {
    color: var(--ss-text);
}

@media (max-width: 480px) {
    .ss-chat-fab-label {
        display: none;
    }

    .ss-chat-fab:not(.ss-chat.is-open .ss-chat-fab) {
        width: 3.5rem;
        padding: 0;
    }

    .ss-chat:not(.is-open) .ss-chat-fab {
        width: 3.5rem;
        padding: 0;
    }
}

@media (max-width: 575.98px) {
    .ss-chat {
        bottom: 1rem;
        right: 1rem;
    }

    .ss-chat-fab {
        bottom: 1rem;
        right: 1rem;
    }

    .ss-chat-panel {
        left: 0.75rem;
        right: 0.75rem;
        bottom: calc(3.5rem + 0.85rem);
        width: auto;
        max-height: min(720px, 88vh);
        min-height: min(520px, 75vh);
    }

    .ss-chat.is-open .ss-chat-fab {
        bottom: 1rem;
        right: 1rem;
    }
}