/* ─────────────────────────────────────────────────────────
   WP AI Chatbot — Widget Styles
   Scoped under #wpaicb-root to prevent theme conflicts.
   ───────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

#wpaicb-root,
#wpaicb-root * {
    box-sizing: border-box;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

#wpaicb-root {
    --c-primary:     #2563EB;
    --c-primary-d:   #1D4ED8;
    --c-bubble-bg:   #EFF6FF;
    --c-text:        #1E293B;
    --c-header-text: #FFFFFF;
    --c-user-bg:     var(--c-primary);
    --c-user-text:   #FFFFFF;
    --c-bot-bg:      var(--c-bubble-bg);
    --c-bot-text:    var(--c-text);
    --c-border:      #E2E8F0;
    --c-bg:          #F8FAFC;
    --c-input-bg:    #FFFFFF;
    --c-muted:       #94A3B8;
    --c-shadow:      rgba(0, 0, 0, 0.12);
    --radius-lg:     16px;
    --radius-md:     12px;
    --radius-sm:     8px;
    --w-widget:      380px;
    --h-messages:    400px;

    position: fixed;
    z-index: 999999;
}

/* ─── Position variants (set via JS) ───────────────────── */
#wpaicb-root.pos-bottom-right { bottom: 24px; right: 24px; }
#wpaicb-root.pos-bottom-left  { bottom: 24px; left:  24px; }
#wpaicb-root.pos-top-right    { top: 24px;    right: 24px; }
#wpaicb-root.pos-top-left     { top: 24px;    left:  24px; }

/* ─── Trigger Button ───────────────────────────────────── */
#wpaicb-trigger {
    position: relative;
    width: 58px; height: 58px;
    border-radius: 50%;
    background: var(--c-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.45);
    transition: transform .2s cubic-bezier(.34,1.56,.64,1), box-shadow .2s;
    outline: none;
}
#wpaicb-trigger:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(37, 99, 235, 0.55);
}
#wpaicb-trigger:active { transform: scale(0.96); }

/* Pulse ring */
#wpaicb-trigger::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--c-primary);
    opacity: 0;
    animation: wpaicb-pulse 2.4s ease-out infinite;
}

@keyframes wpaicb-pulse {
    0%   { inset: 0;   opacity: .5; }
    100% { inset: -14px; opacity: 0; }
}

.wpaicb-trigger__icon {
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .3s cubic-bezier(.34,1.56,.64,1), opacity .2s;
}
.wpaicb-trigger__icon svg { width: 26px; height: 26px; }
.wpaicb-trigger__icon--close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.7);
}
#wpaicb-trigger.is-open .wpaicb-trigger__icon--open {
    opacity: 0;
    transform: rotate(90deg) scale(0.7);
}
#wpaicb-trigger.is-open .wpaicb-trigger__icon--close {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Unread badge */
.wpaicb-trigger__badge {
    position: absolute;
    top: 2px; right: 2px;
    min-width: 18px; height: 18px;
    background: #EF4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 2px solid #fff;
    opacity: 0;
    transform: scale(0);
    transition: all .2s cubic-bezier(.34,1.56,.64,1);
}
.wpaicb-trigger__badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* ─── Chat Window ──────────────────────────────────────── */
#wpaicb-window {
    position: absolute;
    bottom: 72px; right: 0;
    width: var(--w-widget);
    max-width: calc(100vw - 32px);
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--c-border);
    box-shadow: 0 20px 60px rgba(0,0,0,.16), 0 4px 12px rgba(0,0,0,.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition: transform .3s cubic-bezier(.34,1.56,.64,1), opacity .25s ease;
}

#wpaicb-window[hidden] {
    display: flex !important; /* override [hidden] so we can animate */
    opacity: 0;
    transform: scale(0.85) translateY(16px);
    pointer-events: none;
}
#wpaicb-window.is-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}

/* Position adjustments for left-side trigger */
.pos-bottom-left #wpaicb-window,
.pos-top-left    #wpaicb-window {
    right: auto;
    left: 0;
    transform-origin: bottom left;
}
.pos-top-right #wpaicb-window,
.pos-top-left  #wpaicb-window {
    bottom: auto;
    top: 72px;
    transform-origin: top right;
}
.pos-top-left #wpaicb-window { transform-origin: top left; }

/* ─── Header ───────────────────────────────────────────── */
#wpaicb-header {
    background: var(--c-primary);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-shrink: 0;
}
.wpaicb-header-left {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
}
.wpaicb-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    border: 2px solid rgba(255,255,255,.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.wpaicb-bot-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-header-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.wpaicb-status {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 1px;
}
.wpaicb-status__dot {
    width: 7px; height: 7px;
    background: #4ADE80;
    border-radius: 50%;
    animation: wpaicb-blink 2s ease-in-out infinite;
}
@keyframes wpaicb-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}
.wpaicb-status__text {
    font-size: 11.5px;
    color: rgba(255,255,255,.75);
}
.wpaicb-header-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}
.wpaicb-header-btn {
    width: 30px; height: 30px;
    background: rgba(255,255,255,.12);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: rgba(255,255,255,.9);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
}
.wpaicb-header-btn:hover { background: rgba(255,255,255,.24); }
.wpaicb-header-btn svg { width: 15px; height: 15px; }

/* ─── Messages ─────────────────────────────────────────── */
#wpaicb-messages {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: var(--h-messages);
    max-height: var(--h-messages);
    scroll-behavior: smooth;
    background: var(--c-bg);
}
#wpaicb-messages::-webkit-scrollbar { width: 8px; }
#wpaicb-messages::-webkit-scrollbar-track { background: transparent; }
#wpaicb-messages::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 4px; }
#wpaicb-messages::-webkit-scrollbar-thumb:hover { background: var(--c-muted); }
#wpaicb-messages { scrollbar-width: thin; scrollbar-color: var(--c-border) transparent; }

/* ── Scroll-to-latest button ───────────────────────────── */
#wpaicb-scroll-down {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) translateY(8px) scale(.8);
    bottom: 78px;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--c-border);
    box-shadow: 0 3px 12px rgba(0,0,0,.16);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s cubic-bezier(.34,1.56,.64,1);
    z-index: 5;
}
#wpaicb-scroll-down.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0) scale(1);
}
#wpaicb-scroll-down:hover { background: var(--c-bubble-bg); }
#wpaicb-scroll-down svg { width: 18px; height: 18px; }

/* ─── Message rows ─────────────────────────────────────── */
.wpaicb-msg-row {
    display: flex;
    flex-direction: column;
    animation: wpaicb-slide-in .25s ease;
}
@keyframes wpaicb-slide-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.wpaicb-msg-row--user  { align-items: flex-end; }
.wpaicb-msg-row--bot   { align-items: flex-start; }

.wpaicb-msg-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}
.wpaicb-msg-row--user .wpaicb-msg-meta { flex-direction: row-reverse; }

.wpaicb-msg-sender {
    font-size: 11px;
    font-weight: 600;
    color: var(--c-muted);
    letter-spacing: .02em;
    text-transform: uppercase;
}
.wpaicb-msg-time {
    font-size: 10.5px;
    color: var(--c-muted);
}

/* ─── Bubbles ──────────────────────────────────────────── */
.wpaicb-bubble {
    max-width: 88%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    word-break: break-word;
}
.wpaicb-bubble--user {
    background: var(--c-primary);
    color: var(--c-user-text);
    border-bottom-right-radius: 4px;
}
.wpaicb-bubble--bot {
    background: var(--c-bot-bg);
    color: var(--c-bot-text);
    border: 1px solid var(--c-border);
    border-bottom-left-radius: 4px;
}

/* ─── Markdown content ─────────────────────────────────── */
.wpaicb-bubble--bot p        { margin: 0 0 8px; }
.wpaicb-bubble--bot p:last-child { margin-bottom: 0; }
.wpaicb-bubble--bot strong   { font-weight: 600; }
.wpaicb-bubble--bot em       { font-style: italic; }
.wpaicb-bubble--bot a        { color: var(--c-primary); text-decoration: underline; word-break: break-all; }
.wpaicb-bubble--bot code     { font-family: 'SF Mono', 'Fira Code', Consolas, monospace; font-size: 12.5px; background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; }
.wpaicb-bubble--bot pre      { background: #1E293B; border-radius: 8px; padding: 12px 14px; margin: 8px 0; overflow-x: auto; }
.wpaicb-bubble--bot pre code { background: none; color: #E2E8F0; font-size: 12px; padding: 0; }
.wpaicb-bubble--bot ul,
.wpaicb-bubble--bot ol       { margin: 6px 0 6px 20px; padding: 0; }
.wpaicb-bubble--bot li       { margin-bottom: 3px; }
.wpaicb-bubble--bot h1,
.wpaicb-bubble--bot h2,
.wpaicb-bubble--bot h3       { font-weight: 600; margin: 10px 0 4px; font-size: 14px; }

/* ─── Copy button on bot messages ──────────────────────── */
.wpaicb-copy-btn {
    position: absolute;
    top: 6px; right: 6px;
    opacity: 0;
    background: rgba(255,255,255,.9);
    border: 1px solid var(--c-border);
    border-radius: 5px;
    padding: 3px 6px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--c-muted);
    cursor: pointer;
    transition: opacity .15s;
}
.wpaicb-bubble--bot:hover .wpaicb-copy-btn { opacity: 1; }
.wpaicb-copy-btn.copied { color: #16A34A; border-color: #16A34A; }

/* ─── Typing indicator ─────────────────────────────────── */
#wpaicb-typing {
    padding: 4px 16px 12px;
    background: var(--c-bg);
    flex-shrink: 0;
}
#wpaicb-typing[hidden] { display: none; }
.wpaicb-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: var(--c-bot-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    border-bottom-left-radius: 4px;
    width: fit-content;
}
.wpaicb-typing-indicator span {
    width: 7px; height: 7px;
    background: var(--c-muted);
    border-radius: 50%;
    animation: wpaicb-bounce 1.2s ease-in-out infinite;
}
.wpaicb-typing-indicator span:nth-child(2) { animation-delay: .15s; }
.wpaicb-typing-indicator span:nth-child(3) { animation-delay: .3s; }

@keyframes wpaicb-bounce {
    0%, 60%, 100% { transform: translateY(0);    opacity: .5; }
    30%           { transform: translateY(-7px); opacity: 1; }
}

/* ─── Footer / Input ───────────────────────────────────── */
#wpaicb-footer {
    border-top: 1px solid var(--c-border);
    background: var(--c-input-bg);
    padding: 10px 12px 8px;
    flex-shrink: 0;
}
.wpaicb-input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--c-bg);
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 8px 10px 8px 14px;
    transition: border-color .2s, box-shadow .2s;
}
.wpaicb-input-wrap:focus-within {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
#wpaicb-input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-family: inherit;
    font-size: 14px;
    color: var(--c-text);
    line-height: 1.5;
    resize: none;
    max-height: 120px;
    overflow-y: auto;
    padding: 0;
}
#wpaicb-input::placeholder { color: var(--c-muted); }
#wpaicb-send-btn {
    flex-shrink: 0;
    width: 34px; height: 34px;
    border-radius: 9px;
    background: var(--c-primary);
    border: none;
    cursor: pointer;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, transform .15s, opacity .2s;
}
#wpaicb-send-btn:hover:not(:disabled) { background: var(--c-primary-d); transform: scale(1.06); }
#wpaicb-send-btn:disabled { background: var(--c-border); cursor: not-allowed; opacity: .6; }
#wpaicb-send-btn svg { width: 16px; height: 16px; }

.wpaicb-footer-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}
.wpaicb-char-count {
    font-size: 10.5px;
    color: var(--c-muted);
}
.wpaicb-char-count.warn { color: #F59E0B; font-weight: 600; }
.wpaicb-char-count.danger { color: #EF4444; font-weight: 600; }
.wpaicb-branding {
    font-size: 10px;
    color: var(--c-muted);
}
.wpaicb-branding a {
    color: var(--c-muted);
    text-decoration: none;
}
.wpaicb-branding a:hover { text-decoration: underline; }
.wpaicb-branding.hidden { display: none; }

/* ─── Error message ────────────────────────────────────── */
.wpaicb-msg-error {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: #DC2626;
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    border-radius: 8px;
    padding: 8px 12px;
    animation: wpaicb-slide-in .2s ease;
}

/* ─── Mobile ───────────────────────────────────────────── */
@media (max-width: 480px) {
    #wpaicb-window {
        position: fixed;
        bottom: 0; left: 0; right: 0;
        width: 100%;
        max-width: 100%;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        border-left: none;
        border-right: none;
        transform-origin: bottom center;
    }
    #wpaicb-root.pos-bottom-left  #wpaicb-window,
    #wpaicb-root.pos-top-right    #wpaicb-window,
    #wpaicb-root.pos-top-left     #wpaicb-window { bottom: 0; top: auto; }
    #wpaicb-messages { height: 55vh; }
    #wpaicb-trigger  { width: 52px; height: 52px; }
}

/* ─────────────────────────────────────────────────────────
   Contact Card (Live Agent Escalation)
   ───────────────────────────────────────────────────────── */

.wpaicb-contact-card {
    background: #fff;
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-top: 4px;
    animation: wpaicb-slide-in .25s ease;
    max-width: 88%;
}
.wpaicb-contact-card__msg {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--c-text);
    margin: 0 0 12px;
    line-height: 1.4;
}
.wpaicb-contact-card__btns {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.wpaicb-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 13px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform .15s, opacity .15s;
    white-space: nowrap;
}
.wpaicb-contact-btn:hover { transform: translateY(-1px); opacity: .9; }
.wpaicb-contact-btn--phone {
    background: #EEF2FF;
    color: #4338CA;
}
.wpaicb-contact-btn--whatsapp {
    background: #DCFCE7;
    color: #16A34A;
}
.wpaicb-contact-btn--email {
    background: #FEF9C3;
    color: #92400E;
}
.wpaicb-contact-btn__icon {
    font-size: 14px;
    line-height: 1;
}