/* Cxaigent Chat — Frontend Widget v2.0.0 (SparrowDesk Dark UI)
   ─────────────────────────────────────────────────────────────── */

/* ═══════════════════════════════════
   CSS CUSTOM PROPERTIES
   ═══════════════════════════════════ */
:root {
    --cxaigent-brand-color:    #5d65c7;
    --cxaigent-brand-dark:     #4c53a3;
    --cxaigent-widget-size:    60px;

    /* Dark card palette — overridden by PHP inline_dynamic_styles()
       with values computed from the admin-chosen brand colour.
       Defaults below are computed for brand #5d65c7 (R93 G101 B199). */
    --cxaigent-dark-900:       #0f0f15;
    --cxaigent-dark-800:       #13141f;
    --cxaigent-dark-700:       #171928;
    --cxaigent-dark-600:       #1c1e34;
    --cxaigent-dark-border:    rgba(93,101,199,.14);

    --cxaigent-text-bright:    #f0f0f4;
    --cxaigent-text-muted:     rgba(255,255,255,.5);
    --cxaigent-text-dim:       rgba(255,255,255,.35);

    --cxaigent-user-bubble:    var(--cxaigent-brand-color);
    --cxaigent-user-text:      #ffffff;
    --cxaigent-bot-bubble:     var(--cxaigent-dark-600);
    --cxaigent-bot-text:       var(--cxaigent-text-bright);

    --cxaigent-shadow-lg:      0 20px 60px rgba(0,0,0,.55);
    --cxaigent-radius:         16px;
    --cxaigent-radius-sm:      8px;
    --cxaigent-radius-pill:    999px;
    --cxaigent-transition:     0.22s cubic-bezier(.4,0,.2,1);
    --cxaigent-font:           -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ═══════════════════════════════════
   RESET / ISOLATION
   ═══════════════════════════════════ */
#cxaigent-widget,
#cxaigent-widget * {
    box-sizing: border-box;
    font-family: var(--cxaigent-font);
    -webkit-font-smoothing: antialiased;
}
#cxaigent-widget button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    margin: 0;
    line-height: 1;
}
#cxaigent-widget a { color: inherit; text-decoration: none; font-size: 14px; }
#cxaigent-widget h2,
#cxaigent-widget h3,
#cxaigent-widget p { margin: 0; padding: 0; }

/* ═══════════════════════════════════
   WIDGET CONTAINER
   ═══════════════════════════════════ */
#cxaigent-widget {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999990;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* ═══════════════════════════════════
   LAUNCHER BUTTON
   ═══════════════════════════════════ */
.cxaigent-toggle-btn {
    width:  var(--cxaigent-widget-size);
    height: var(--cxaigent-widget-size);
    border-radius: 50%;
    background: var(--cxaigent-brand-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(93,101,199,.5), 0 0 0 0 rgba(93,101,199,.3);
    transition: transform var(--cxaigent-transition), box-shadow var(--cxaigent-transition), background var(--cxaigent-transition);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    margin-top: 12px;
}
.cxaigent-toggle-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(93,101,199,.65);
    background: var(--cxaigent-brand-dark);
}
.cxaigent-toggle-btn:focus-visible {
    outline: 3px solid var(--cxaigent-brand-color);
    outline-offset: 3px;
}
.cxaigent-launcher-custom-icon {
    width:  calc(var(--cxaigent-widget-size) * 0.62);
    height: calc(var(--cxaigent-widget-size) * 0.62);
    object-fit: contain;
}

/* ═══════════════════════════════════
   OPEN-STATE CLASS-DRIVEN VISIBILITY
   ═══════════════════════════════════ */

/* Chat window hidden by default; shown by JS class + inline style fallback */
.cxaigent-chat-window { display: none; }
.cxaigent-is-open .cxaigent-chat-window { display: flex !important; flex-direction: column; }

/* Launcher icon swaps: chat icon visible when closed, close icon when open */
.cxaigent-launcher-open-icon,
.cxaigent-launcher-custom-icon { display: flex; }
.cxaigent-close-icon           { display: none; }
.cxaigent-is-open .cxaigent-launcher-open-icon,
.cxaigent-is-open .cxaigent-launcher-custom-icon { display: none; }
.cxaigent-is-open .cxaigent-close-icon            { display: flex; }

/* ═══════════════════════════════════
   CHAT WINDOW (DARK CARD)
   ═══════════════════════════════════ */
.cxaigent-chat-window {
    position: absolute;
    bottom: calc(var(--cxaigent-widget-size) + 16px);
    right: 0;
    width: 380px;
    max-height: 600px;
    border-radius: var(--cxaigent-radius);
    overflow: hidden;
    background: var(--cxaigent-dark-900);
    box-shadow: var(--cxaigent-shadow-lg);
    display: flex;
    flex-direction: column;
    transform-origin: bottom right;
    animation: cxaigent-pop-in .22s cubic-bezier(.34,1.56,.64,1) both;
    z-index: 1;
    border: 1px solid var(--cxaigent-dark-border);
}
@keyframes cxaigent-pop-in {
    from { opacity:0; transform:scale(.88) translateY(12px); }
    to   { opacity:1; transform:scale(1)   translateY(0); }
}

/* ═══════════════════════════════════
   CHAT SCREEN (DARK)
   ═══════════════════════════════════ */
.cxaigent-chat-screen {
    display: flex;
    flex-direction: column;
    min-height: 420px;
    max-height: 600px;
    height: 100%;
    overflow: hidden;
    background: var(--cxaigent-dark-900);
}

/* Chat header */
.cxaigent-header {
    background: linear-gradient(135deg, var(--cxaigent-brand-color) 0%, var(--cxaigent-brand-dark) 100%);
    padding: 14px 16px;
    display: flex; align-items: center; gap: 10px;
    flex-shrink: 0;
}
.cxaigent-header-logo {
    width: 36px; height: 36px; border-radius: 50%;
    object-fit: contain;
    background: rgba(255,255,255,.18);
    border: 1px solid rgba(255,255,255,.25);
    flex-shrink: 0;
}
.cxaigent-header-avatar { flex-shrink: 0; }
.cxaigent-header-avatar .cxaigent-avatar-img {
    width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
    border: 1px solid rgba(255,255,255,.25);
}
.cxaigent-header-avatar .cxaigent-avatar-initials {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.25); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
}
.cxaigent-header-info {
    flex: 1; display: flex; flex-direction: column; min-width: 0;
}
.cxaigent-header-name {
    font-size: 15px; font-weight: 700; color: #fff; line-height: 1.2;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cxaigent-header-status {
    font-size: 12px; color: rgba(255,255,255,.75); font-weight: 500;
    display: flex; align-items: center; gap: 4px;
}
.cxaigent-header-status::before {
    content: ''; display: inline-block;
    width: 6px; height: 6px; border-radius: 50%;
    background: #4ade80; flex-shrink: 0;
}
.cxaigent-header-actions {
    display: flex; align-items: center; gap: 4px; flex-shrink: 0;
}
.cxaigent-reset-btn,
.cxaigent-header-close-btn {
    width: 32px; height: 32px; border-radius: 50%;
    color: rgba(255,255,255,.85);
    display: flex; align-items: center; justify-content: center;
    transition: background var(--cxaigent-transition);
}
.cxaigent-reset-btn:hover,
.cxaigent-header-close-btn:hover {
    background: rgba(255,255,255,.18); color: #fff;
}

/* ═══════════════════════════════════
   LEAD FORM
   ═══════════════════════════════════ */
.cxaigent-lead-form {
    margin: 12px 12px 0;
    padding: 16px;
    background: var(--cxaigent-dark-700);
    border: 1px solid var(--cxaigent-dark-border);
    border-radius: 12px;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}

/* Section header row */
.cxaigent-lead-form::before {
    content: '';
    display: block;
    width: 28px; height: 2px;
    background: var(--cxaigent-brand-color);
    border-radius: 2px;
    margin-bottom: 10px;
    opacity: .7;
}
.cxaigent-lead-intro {
    font-size: 13.5px;
    color: var(--cxaigent-text-muted);
    margin-bottom: 14px;
    line-height: 1.5;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--cxaigent-dark-border);
}
.cxaigent-form-group { margin-bottom: 10px; }
.cxaigent-form-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--cxaigent-text-dim);
    margin-bottom: 5px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.cxaigent-form-group input {
    width: 100%;
    height: 44px;
    padding: 0 14px 0 38px;
    border: 1px solid var(--cxaigent-dark-border);
    border-radius: var(--cxaigent-radius-sm);
    font-size: 14px;
    color: var(--cxaigent-text-bright);
    background: var(--cxaigent-dark-800);
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 15px 15px;
    outline: none;
    font-family: var(--cxaigent-font);
    transition: border-color var(--cxaigent-transition), box-shadow var(--cxaigent-transition);
    -webkit-appearance: none;
}
.cxaigent-form-group input::placeholder { color: var(--cxaigent-text-dim); }
.cxaigent-form-group input:focus {
    border-color: var(--cxaigent-brand-color);
    box-shadow: 0 0 0 2px var(--cxaigent-dark-border);
}

/* Name field icon — person outline */
#cxaigent-lead-name {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' opacity='0.35'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E");
}

/* Email field icon — envelope outline */
#cxaigent-lead-email {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' opacity='0.35'%3E%3Crect x='2' y='4' width='20' height='16' rx='2'/%3E%3Cpath d='m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7'/%3E%3C/svg%3E");
}

/* Phone field icon — handset outline (inline JS-generated form) */
#cxaigent-lead-phone {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' opacity='0.35'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07A19.5 19.5 0 0 1 4.69 13a19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 3.6 2.18h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L7.91 9.91a16 16 0 0 0 6.13 6.13l.91-.91a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E");
}

.cxaigent-btn {
    width: 100%;
    height: 42px;
    padding: 0 20px;
    border-radius: var(--cxaigent-radius-pill);
    background: var(--cxaigent-brand-color);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .01em;
    cursor: pointer;
    border: none;
    margin-top: 6px;
    font-family: var(--cxaigent-font);
    transition: background var(--cxaigent-transition), transform var(--cxaigent-transition);
}
.cxaigent-btn:hover {
    background: var(--cxaigent-brand-dark);
    transform: translateY(-1px);
}
.cxaigent-btn:active { transform: translateY(0); }
.cxaigent-error { font-size: 12.5px; color: #f87171; margin-top: 8px; }

/* ═══════════════════════════════════
   INLINE LEAD FORM (in-chat bubble)
   ═══════════════════════════════════ */
.cxaigent-ilf-wrapper { margin-bottom: 4px; }
.cxaigent-inline-lead-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 220px;
    max-width: 280px;
    background: var(--cxaigent-dark-700);
    border: 1px solid var(--cxaigent-dark-border);
    border-radius: 4px 16px 16px 16px;
    padding: 14px;
}
.cxaigent-ilf-input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--cxaigent-dark-border);
    border-radius: var(--cxaigent-radius-sm);
    background: var(--cxaigent-dark-800);
    color: var(--cxaigent-text-bright);
    font-size: 13.5px;
    font-family: var(--cxaigent-font);
    outline: none;
    box-sizing: border-box;
    transition: border-color var(--cxaigent-transition);
    -webkit-appearance: none;
}
.cxaigent-ilf-input::placeholder { color: var(--cxaigent-text-dim); }
.cxaigent-ilf-input:focus        { border-color: var(--cxaigent-brand-color); }
.cxaigent-ilf-submit {
    width: 100%;
    height: 38px;
    margin-top: 4px;
    padding: 0 16px;
    border: none;
    border-radius: var(--cxaigent-radius-pill);
    background: var(--cxaigent-brand-color);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
    font-family: var(--cxaigent-font);
    cursor: pointer;
    transition: background var(--cxaigent-transition), transform var(--cxaigent-transition);
}
.cxaigent-ilf-submit:hover   { background: var(--cxaigent-brand-dark); transform: translateY(-1px); }
.cxaigent-ilf-submit:active  { transform: translateY(0); }
.cxaigent-ilf-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.cxaigent-ilf-error { font-size: 12px; color: #f87171; margin-top: 2px; }

/* ═══════════════════════════════════
   MESSAGES AREA (DARK)
   ═══════════════════════════════════ */
.cxaigent-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: var(--cxaigent-dark-900);
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}
.cxaigent-messages::-webkit-scrollbar { width: 4px; }
.cxaigent-messages::-webkit-scrollbar-track { background: transparent; }
.cxaigent-messages::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.12); border-radius: 4px;
}

.cxaigent-message {
    display: flex; align-items: flex-end; gap: 8px; max-width: 92%;
}
.cxaigent-message--bot  { align-self: flex-start; }
.cxaigent-message--user { align-self: flex-end; flex-direction: row-reverse; }

.cxaigent-message-avatar .cxaigent-avatar-img {
    width: 28px; height: 28px; border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
.cxaigent-message-avatar .cxaigent-avatar-initials {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--cxaigent-brand-color); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700; flex-shrink: 0;
}

.cxaigent-message-bubble {
    padding: 10px 14px;
    font-size: 14px; line-height: 1.55; word-break: break-word;
}
.cxaigent-message--bot .cxaigent-message-bubble {
    background: var(--cxaigent-bot-bubble);
    color: var(--cxaigent-bot-text);
    border-radius: 4px 16px 16px 16px;
    border: 1px solid var(--cxaigent-dark-border);
}
.cxaigent-message--user .cxaigent-message-bubble {
    background: var(--cxaigent-user-bubble);
    color: var(--cxaigent-user-text);
    border-radius: 16px 4px 16px 16px;
}
.cxaigent-message-bubble p { margin: 0 0 6px; }
.cxaigent-message-bubble p:last-child { margin-bottom: 0; }
.cxaigent-message-bubble ul,
.cxaigent-message-bubble ol { margin: 4px 0; padding-left: 18px; }
.cxaigent-message-bubble li { margin-bottom: 3px; }
.cxaigent-message-bubble code {
    background: rgba(255,255,255,.1); border-radius: 4px;
    padding: 1px 5px; font-size: 12px;
    font-family: "SFMono-Regular", Consolas, monospace;
}
.cxaigent-message--user .cxaigent-message-bubble code {
    background: rgba(255,255,255,.2);
}
.cxaigent-message-bubble pre {
    background: rgba(255,255,255,.06); border-radius: 6px;
    padding: 10px; overflow-x: auto; font-size: 12px; margin: 6px 0 0;
}
#cxaigent-widget .cxaigent-message-bubble a { color: #818cf8; text-decoration: underline; font-size: 14px; }
#cxaigent-widget .cxaigent-message--user .cxaigent-message-bubble a { color: rgba(255,255,255,.9); font-size: 14px; }

/* ═══════════════════════════════════
   TYPING INDICATOR
   ═══════════════════════════════════ */
.cxaigent-typing {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px;
    background: var(--cxaigent-dark-900); flex-shrink: 0;
}
.cxaigent-typing-dots {
    display: flex; align-items: center; gap: 4px;
    background: var(--cxaigent-bot-bubble);
    padding: 10px 14px;
    border-radius: 4px 16px 16px 16px;
    border: 1px solid var(--cxaigent-dark-border);
}
.cxaigent-typing-dots span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--cxaigent-text-muted);
    animation: cxaigent-bounce 1.4s ease-in-out infinite;
}
.cxaigent-typing-dots span:nth-child(1) { animation-delay: 0s; }
.cxaigent-typing-dots span:nth-child(2) { animation-delay: .2s; }
.cxaigent-typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes cxaigent-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity:.45; }
    40%            { transform: translateY(-6px); opacity:1; }
}
/* Dynamic thinking message text */
.cxaigent-thinking-text {
    font-size: 12px;
    color: var(--cxaigent-text-bright);
    opacity: 0;
    transition: opacity 0.4s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
.cxaigent-thinking-visible { opacity: 1; }

/* ═══════════════════════════════════
   SUGGESTIONS (uses .cxaigent-suggestion-pill per JS)
   ═══════════════════════════════════ */
.cxaigent-suggestions {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 8px 16px;
    background: var(--cxaigent-dark-900); flex-shrink: 0;
}
#cxaigent-widget .cxaigent-suggestion-pill {
    padding: 6px 14px;
    border-radius: var(--cxaigent-radius-pill);
    border: 1px solid rgba(93,101,199,.5);
    color: #fff;
    background: rgba(93,101,199,.12);
    font-size: 13px; font-weight: 500;
    cursor: pointer;
    transition: background var(--cxaigent-transition), color var(--cxaigent-transition), border-color var(--cxaigent-transition), transform var(--cxaigent-transition);
    font-family: var(--cxaigent-font);
}
#cxaigent-widget .cxaigent-suggestion-pill:hover {
    background: rgba(93,101,199,.22);
    color: #fff;
    border-color: rgba(93,101,199,.85);
    transform: scale(1.04);
}

/* ═══════════════════════════════════
   INPUT AREA (DARK)
   ═══════════════════════════════════ */
.cxaigent-input-area {
    display: flex; align-items: flex-end; gap: 8px;
    padding: 12px 14px;
    background: var(--cxaigent-dark-800);
    border-top: 1px solid var(--cxaigent-dark-border);
    flex-shrink: 0;
}
.cxaigent-input {
    flex: 1;
    border: 1px solid var(--cxaigent-dark-border);
    border-radius: 22px;
    padding: 10px 16px;
    font-size: 14px; font-family: var(--cxaigent-font);
    color: var(--cxaigent-text-bright);
    background: var(--cxaigent-dark-700);
    resize: none; outline: none;
    line-height: 1.45; max-height: 120px; overflow-y: auto;
    transition: border-color var(--cxaigent-transition);
}
.cxaigent-input::placeholder { color: var(--cxaigent-text-dim); }
.cxaigent-input:focus { border-color: var(--cxaigent-brand-color); }
@keyframes cxaigent-send-glow {
    0%   { box-shadow: 0 0 0 0   var(--cxaigent-brand-glow, rgba(93,101,199,.35)); transform: scale(1.08); }
    60%  { box-shadow: 0 0 0 8px transparent; transform: scale(1.08); }
    100% { box-shadow: 0 0 0 0   transparent; transform: scale(1.08); }
}
#cxaigent-widget .cxaigent-send-btn {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--cxaigent-brand-color); color: #fff;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: transform var(--cxaigent-transition);
}
#cxaigent-widget .cxaigent-send-btn:hover {
    background: var(--cxaigent-brand-color);
    color: #fff;
    animation: cxaigent-send-glow 0.55s ease-out infinite;
}
#cxaigent-widget .cxaigent-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}

/* ═══════════════════════════════════
   CHAT-SCREEN DISCLAIMER (DARK)
   ═══════════════════════════════════ */
.cxaigent-chat-disclaimer {
    text-align: center;
    padding: 6px 16px;
    font-size: 11px; color: var(--cxaigent-text-dim);
    background: var(--cxaigent-dark-900);
    flex-shrink: 0;
    line-height: 1.4;
}
#cxaigent-widget .cxaigent-chat-disclaimer a {
    color: var(--cxaigent-text-muted);
    text-decoration: underline; text-underline-offset: 2px;
    font-size: 14px;
}
#cxaigent-widget .cxaigent-chat-disclaimer a:hover { color: #818cf8; }

/* ═══════════════════════════════════
   POWERED-BY (DARK)
   ═══════════════════════════════════ */
.cxaigent-chat-powered-by {
    text-align: center;
    padding: 8px 16px;
    font-size: 11.5px; color: var(--cxaigent-text-dim);
    background: var(--cxaigent-dark-900);
    border-top: 1px solid var(--cxaigent-dark-border);
    flex-shrink: 0;
}
#cxaigent-widget .cxaigent-chat-powered-by a { color: inherit; text-decoration: underline; text-underline-offset: 2px; font-size: 14px; }
#cxaigent-widget .cxaigent-chat-powered-by a:hover { color: #818cf8; }
.cxaigent-verified-badge {
    font-family: var(--cxaigent-font);
    font-size: 11.5px;
    color: var(--cxaigent-text-dim);
    font-weight: 400;
    margin-top: 4px;
    padding: 0 4px;
}

/* ═══════════════════════════════════
   MOBILE OVERLAY
   ═══════════════════════════════════ */
.cxaigent-mobile-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 999988;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

/* ═══════════════════════════════════
   MOBILE (≤ 640px)
   ═══════════════════════════════════ */
@media (max-width: 640px) {
    .cxaigent-mobile-overlay.cxaigent-overlay-active { display: block; }
    .cxaigent-chat-window {
        position: fixed; inset: 0;
        width: 100%; max-width: 100%;
        max-height: 100%; height: 100%;
        border-radius: 0; z-index: 999989;
        background: var(--cxaigent-dark-900);
    }
    .cxaigent-chat-screen {
        max-height: 100%; height: 100%; min-height: unset;
    }
    #cxaigent-widget { right: 16px; bottom: 16px; }
}

/* ═══════════════════════════════════
   ACCESSIBILITY
   ═══════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    .cxaigent-toggle-btn,
    .cxaigent-send-btn,
    .cxaigent-chat-window { transition: none; animation: none; }
    .cxaigent-send-btn:hover { animation: none; transform: scale(1.06); }
    .cxaigent-online-dot,
    .cxaigent-typing-dots span { animation: none; }
}