/**
 * Signstar AI Assistant — Embedded Chat Styles
 * White background, dark text, full-width inline component.
 * Expanding Q&A pattern: collapsed → expanded thread.
 */

/* ─── Variables ─── */
.wsai-embedded {
--wsai-emb-bg: #ffffff;
    --wsai-emb-bg-secondary: #f8f9fb;
    --wsai-emb-text: #1e3037;
    --wsai-emb-text-muted: #5e6c79;
    --wsai-emb-border: rgba(0, 0, 0, 0.08);
    --wsai-emb-border-hover: rgba(0, 0, 0, 0.15);
    --wsai-emb-input-bg: #f8f9fb;
    --wsai-emb-user-bg: var(--wsai-emb-accent, #00adef);
    --wsai-emb-user-text: #ffffff;
    --wsai-emb-assistant-bg: #e2e8f0;
    --wsai-emb-assistant-text: #1e3037;
    --wsai-emb-radius: 16px;
    --wsai-emb-radius-sm: 10px;
    --wsai-emb-font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.wsai-embedded {
    width: 100%;
    font-family: var(--wsai-emb-font);
    background: var(--wsai-emb-bg);
    border: 1px solid var(--wsai-emb-border);
    border-radius: var(--wsai-emb-radius);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease;
}

.wsai-embedded:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ─── Collapsed State ─── */
.wsai-emb-collapsed {
    padding: 24px;
}

.wsai-emb-opener {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
}

.wsai-emb-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.wsai-emb-opener-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--wsai-emb-text);
    font-weight: 400;
    padding-top: 6px;
}

/* ─── Input Bar (shared styles) ─── */
.wsai-emb-input-bar {
    width: 100%;
}

.wsai-emb-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--wsai-emb-input-bg);
    border: 1px solid var(--wsai-emb-border);
    border-radius: 50px;
    padding: 6px 6px 6px 20px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.wsai-emb-input-wrapper:focus-within {
    border-color: var(--wsai-emb-accent, #00adef);
    box-shadow: 0 0 0 3px rgba(0, 173, 239, 0.08);
}

.wsai-emb-input,
.wsai-emb-input-expanded {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--wsai-emb-text);
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    padding: 6px 0;
    font-family: var(--wsai-emb-font);
    font-weight: 400;
    max-height: 100px;
}

.wsai-emb-input::placeholder,
.wsai-emb-input-expanded::placeholder {
    color: var(--wsai-emb-text-muted);
    font-weight: 300;
}

.wsai-emb-send,
.wsai-emb-send-expanded {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: opacity 0.2s, transform 0.2s, background 0.2s;
}

.wsai-emb-send:disabled,
.wsai-emb-send-expanded:disabled {
    opacity: 0.3;
    cursor: default;
}

.wsai-emb-send:not(:disabled):hover,
.wsai-emb-send-expanded:not(:disabled):hover {
    transform: scale(1.05);
    filter: brightness(0.9);
}

/* ─── Expanded State ─── */
.wsai-emb-expanded {
    display: flex;
    flex-direction: column;
    height: 480px;
    max-height: 60vh;
}

.wsai-emb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--wsai-emb-bg);
    border-bottom: 1px solid var(--wsai-emb-border);
    flex-shrink: 0;
}

.wsai-emb-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wsai-emb-header-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--wsai-emb-text);
    letter-spacing: 0.01em;
}

.wsai-emb-header-subtitle {
    font-size: 12px;
    color: var(--wsai-emb-text-muted);
    margin-top: 1px;
    font-weight: 400;
}

.wsai-emb-minimise {
    background: none;
    border: none;
    color: var(--wsai-emb-text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.wsai-emb-minimise:hover {
    color: var(--wsai-emb-text);
    background: var(--wsai-emb-input-bg);
}

/* ─── Messages Area ─── */
.wsai-emb-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

.wsai-emb-messages::-webkit-scrollbar { width: 5px; }
.wsai-emb-messages::-webkit-scrollbar-track { background: transparent; }
.wsai-emb-messages::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.12); border-radius: 3px; }
.wsai-emb-messages::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.2); }

/* ─── Messages ─── */
.wsai-emb-messages .wsai-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    animation: wsai-emb-fade-in 0.25s ease;
    font-weight: 400;
}

@keyframes wsai-emb-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.wsai-emb-messages .wsai-msg--user {
    align-self: flex-end;
    background: var(--wsai-emb-user-bg);
    color: var(--wsai-emb-user-text);
    border-bottom-right-radius: 4px;
}

.wsai-emb-messages .wsai-msg--assistant {
    align-self: flex-start;
    background: var(--wsai-emb-assistant-bg) !important;
    color: var(--wsai-emb-assistant-text) !important;
    border-bottom-left-radius: 4px;
    border: 1px solid var(--wsai-emb-border);
}

.wsai-emb-messages .wsai-msg--assistant a {
    color: var(--wsai-emb-accent, #00adef);
    text-decoration: underline;
    text-decoration-color: rgba(0, 173, 239, 0.3);
    text-underline-offset: 2px;
    font-weight: 500;
    transition: text-decoration-color 0.2s;
}

.wsai-emb-messages .wsai-msg--assistant a:hover { text-decoration-color: var(--wsai-emb-accent, #00adef); }
.wsai-emb-messages .wsai-msg--assistant p { margin: 0 0 8px; }
.wsai-emb-messages .wsai-msg--assistant p:last-child { margin-bottom: 0; }
.wsai-emb-messages .wsai-msg--assistant ul,
.wsai-emb-messages .wsai-msg--assistant ol { margin: 4px 0 8px 18px; padding: 0; }
.wsai-emb-messages .wsai-msg--assistant li { margin-bottom: 4px; }
.wsai-emb-messages .wsai-msg--assistant strong { color: var(--wsai-emb-text); font-weight: 600; }

/* ─── Typing Indicator ─── */
.wsai-emb-messages .wsai-typing {
    display: flex;
    gap: 5px;
    padding: 14px 16px;
    align-self: flex-start;
    background: var(--wsai-emb-assistant-bg);
    border-radius: 14px;
    border-bottom-left-radius: 4px;
    border: 1px solid var(--wsai-emb-border);
}

.wsai-emb-messages .wsai-typing-dot {
    width: 7px;
    height: 7px;
    background: var(--wsai-emb-text-muted);
    border-radius: 50%;
    animation: wsai-bounce 1.4s infinite ease-in-out both;
}

.wsai-emb-messages .wsai-typing-dot:nth-child(1) { animation-delay: 0s; }
.wsai-emb-messages .wsai-typing-dot:nth-child(2) { animation-delay: 0.16s; }
.wsai-emb-messages .wsai-typing-dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes wsai-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}

/* ─── Input Area (Expanded) ─── */
.wsai-emb-input-area {
    padding: 12px 16px 16px;
    background: var(--wsai-emb-bg);
    border-top: 1px solid var(--wsai-emb-border);
    flex-shrink: 0;
}

.wsai-emb-powered {
    text-align: center;
    font-size: 11px;
    color: var(--wsai-emb-text-muted);
    margin-top: 10px;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.wsai-emb-powered strong {
    color: var(--wsai-emb-text-muted);
    font-weight: 600;
}

/* ─── Quick Replies (embedded theme) ─── */
.wsai-emb-messages .wsai-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-self: flex-start;
    padding: 4px 0;
    animation: wsai-emb-fade-in 0.25s ease;
}

.wsai-emb-messages .wsai-quick-btn {
    background: transparent;
    border: 1px solid var(--wsai-emb-accent, #00adef);
    color: var(--wsai-emb-accent, #00adef);
    padding: 7px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-family: var(--wsai-emb-font);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.wsai-emb-messages .wsai-quick-btn:hover {
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
    transform: translateY(-1px);
}

/* ─── Link Cards (embedded theme) ─── */
.wsai-emb-messages .wsai-link-cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-self: flex-start;
    width: 85%;
    animation: wsai-emb-fade-in 0.25s ease;
}

.wsai-emb-messages .wsai-link-card {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 14px;
    background: var(--wsai-emb-bg-secondary);
    border: 1px solid var(--wsai-emb-border);
    border-radius: var(--wsai-emb-radius-sm);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
    cursor: pointer;
}

.wsai-emb-messages .wsai-link-card:hover {
    background: rgba(0, 173, 239, 0.05);
    border-color: var(--wsai-emb-accent, #00adef);
    transform: translateX(4px);
}

.wsai-emb-messages .wsai-link-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--wsai-emb-accent, #00adef);
}

.wsai-emb-messages .wsai-link-card-desc {
    font-size: 12px;
    color: var(--wsai-emb-text-muted);
    font-weight: 300;
}

/* ─── Contact Form (embedded theme) ─── */
.wsai-emb-messages .wsai-contact-form {
    align-self: flex-start;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 85%;
    animation: wsai-emb-fade-in 0.25s ease;
}

.wsai-emb-messages .wsai-form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--wsai-emb-input-bg);
    border: 1px solid var(--wsai-emb-border);
    border-radius: var(--wsai-emb-radius-sm);
    color: var(--wsai-emb-text);
    font-family: var(--wsai-emb-font);
    font-size: 14px;
    font-weight: 400;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.wsai-emb-messages .wsai-form-input::placeholder {
    color: var(--wsai-emb-text-muted);
    font-weight: 300;
}

.wsai-emb-messages .wsai-form-input:focus {
    border-color: var(--wsai-emb-accent, #00adef);
}

.wsai-emb-messages .wsai-form-submit {
    width: 100%;
    padding: 11px 16px;
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-family: var(--wsai-emb-font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    margin-top: 4px;
}

.wsai-emb-messages .wsai-form-submit:hover {
    filter: brightness(0.9);
    transform: translateY(-1px);
}

/* ─── Callback Picker (embedded theme) ─── */
.wsai-emb-messages .wsai-callback-picker {
    align-self: flex-start;
    width: 90%;
    animation: wsai-emb-fade-in 0.25s ease;
}

.wsai-emb-messages .wsai-cb-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--wsai-emb-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.wsai-emb-messages .wsai-cb-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 12px;
    background: var(--wsai-emb-bg-secondary);
    border: 1px solid var(--wsai-emb-border);
    border-radius: var(--wsai-emb-radius-sm);
    color: var(--wsai-emb-text);
    font-family: var(--wsai-emb-font);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 58px;
    flex: 1;
}

.wsai-emb-messages .wsai-cb-day:hover {
    border-color: var(--wsai-emb-accent, #00adef);
    background: rgba(0, 173, 239, 0.05);
}

.wsai-emb-messages .wsai-cb-day--active {
    border-color: var(--wsai-emb-accent, #00adef);
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
}

.wsai-emb-messages .wsai-cb-time {
    flex: 1;
    padding: 12px 16px;
    background: var(--wsai-emb-bg-secondary);
    border: 1px solid var(--wsai-emb-border);
    border-radius: var(--wsai-emb-radius-sm);
    color: var(--wsai-emb-text);
    font-family: var(--wsai-emb-font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.wsai-emb-messages .wsai-cb-time:hover {
    border-color: var(--wsai-emb-accent, #00adef);
    background: var(--wsai-emb-accent, #00adef);
    color: #fff;
}

.wsai-emb-messages .wsai-cb-skip {
    width: 100%;
    margin-top: 12px;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--wsai-emb-border);
    border-radius: 50px;
    color: var(--wsai-emb-text-muted);
    font-family: var(--wsai-emb-font);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
}

.wsai-emb-messages .wsai-cb-skip:hover {
    border-color: var(--wsai-emb-text-muted);
    color: var(--wsai-emb-text);
}

/* ─── Error ─── */
.wsai-emb-messages .wsai-error {
    align-self: center;
    background: rgba(239, 68, 68, 0.06);
    color: #dc2626;
    padding: 8px 14px;
    border-radius: var(--wsai-emb-radius-sm);
    font-size: 13px;
    text-align: center;
    border: 1px solid rgba(239, 68, 68, 0.12);
}

/* ─── Mobile ─── */
@media (max-width: 480px) {
    .wsai-emb-collapsed {
        padding: 16px;
    }

    .wsai-emb-expanded {
        height: 420px;
    }

    .wsai-emb-opener-text {
        font-size: 14px;
    }
}

/* ─── Typing dots for opener loading ─── */
.wsai-emb-typing-dots span {
    animation: wsai-emb-dot-blink 1.4s infinite;
    font-weight: 700;
    font-size: 18px;
    color: var(--wsai-emb-text-muted);
}
.wsai-emb-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.wsai-emb-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes wsai-emb-dot-blink {
    0%, 80%, 100% { opacity: 0.2; }
    40% { opacity: 1; }
}