/* ==========================================================================
   Widget styles — fully scoped under .vlc-widget
   ========================================================================== */

@font-face {
    font-family: 'ViraChat';
    src: url('../fonts/IRANSansWeb.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'ViraChat';
    src: url('../fonts/IRANSansWeb_Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}
@font-face {
    font-family: 'ViraChat';
    src: url('../fonts/IRANSansWeb_Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}

.vlc-widget {
    position: fixed;
    bottom: 24px;
    inset-inline-end: 24px;
    z-index: 99990;
    font-family: 'ViraChat', 'IRANSans', Tahoma, sans-serif;
    color: #1e293b;
    direction: rtl;
    text-align: right;
    font-size: 14px;
    line-height: 1.7;
}

/* ==========================================================================
   Launcher (floating button)
   ========================================================================== */

.vlc-widget .vlc-toggle {
    position: relative;
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 0;
    background: linear-gradient(135deg, var(--vlc-accent), var(--vlc-end));
    color: #fff;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(var(--vlc-rgb),.4);
    transition: transform .2s, box-shadow .2s;
}
.vlc-widget .vlc-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(var(--vlc-rgb),.5);
}
.vlc-widget .vlc-toggle[aria-expanded="true"] { transform: scale(.9); }
.vlc-widget .vlc-toggle[hidden] { display: none !important; }

.vlc-widget .vlc-launcher-icon { width: 28px; height: 28px; }

.vlc-widget .vlc-badge {
    position: absolute;
    top: -4px;
    inset-inline-end: -4px;
    font-size: 11px;
    background: #ef4444;
    color: #fff;
    border-radius: 999px;
    padding: 0 8px;
    min-height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.vlc-widget .vlc-badge:empty { display: none; }

/* Effects */
.vlc-widget[data-effect="bounce"] .vlc-toggle { animation: vlc-bounce var(--vlc-period, 5s) ease-in-out infinite; }
.vlc-widget[data-effect="pulse"] .vlc-toggle { animation: vlc-pulse var(--vlc-period, 5s) ease-in-out infinite; }
.vlc-widget[data-effect="shake"] .vlc-toggle { animation: vlc-shake var(--vlc-period, 5s) ease-in-out infinite; }
.vlc-widget[data-effect="float"] .vlc-toggle { animation: vlc-float var(--vlc-period, 5s) ease-in-out infinite; }
.vlc-widget[data-effect="glow"] .vlc-toggle { animation: vlc-glow var(--vlc-period, 5s) ease-in-out infinite; }
.vlc-widget .vlc-toggle[aria-expanded="true"] { animation: none !important; }

@keyframes vlc-bounce { 0%, 14%, 100% { transform: translateY(0); } 5% { transform: translateY(-8px); } 9% { transform: translateY(-2px); } }
@keyframes vlc-pulse { 0%, 20%, 100% { box-shadow: 0 10px 30px rgba(var(--vlc-rgb),.4); transform: scale(1); } 10% { box-shadow: 0 0 0 12px rgba(var(--vlc-rgb),.12); transform: scale(1.05); } }
@keyframes vlc-shake { 0%, 18%, 100% { transform: rotate(0); } 4%, 12% { transform: rotate(-8deg); } 8% { transform: rotate(8deg); } }
@keyframes vlc-float { 50% { transform: translateY(-10px); } }
@keyframes vlc-glow { 50% { box-shadow: 0 0 28px rgba(var(--vlc-rgb),.7); } }

/* ==========================================================================
   Greeting bubble
   ========================================================================== */

.vlc-widget .vlc-greeting {
    position: absolute;
    bottom: 84px;
    inset-inline-end: 0;
    width: min(300px, calc(100vw - 40px));
    background: #fff;
    border: 1px solid #e8ecf3;
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 14px 42px rgba(15,23,42,.14);
    line-height: 1.8;
}
.vlc-widget .vlc-greeting[hidden] { display: none; }
.vlc-widget .vlc-greeting strong { display: block; margin-bottom: 4px; color: #1a2238; font-size: 13px; }
.vlc-widget .vlc-greeting p { margin: 0; font-size: 12px; color: #4a5268; white-space: pre-wrap; }
.vlc-widget .vlc-greeting button {
    position: absolute;
    top: 8px;
    inset-inline-end: 8px;
    width: 26px;
    height: 26px;
    border: 0;
    border-radius: 50%;
    background: #f3f4f6;
    cursor: pointer;
    color: #4a5268;
}

/* ==========================================================================
   Panel (dialog)
   ========================================================================== */

.vlc-widget .vlc-panel {
    position: fixed;
    top: 50px;
    bottom: 24px;
    inset-inline-end: 24px;
    width: 400px;
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 74px);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #e8ecf3;
    border-radius: 24px;
    box-shadow: 0 24px 80px rgba(15,23,42,.22);
    overflow: hidden;
    animation: vlc-panel-in .24s ease-out;
}
.vlc-widget .vlc-panel[hidden] { display: none; }

@keyframes vlc-panel-in {
    from { opacity: 0; transform: translateY(14px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.vlc-widget .vlc-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid #e8ecf3;
    background: #fff;
    flex-shrink: 0;
}
.vlc-widget .vlc-panel-user { display: flex; align-items: center; gap: 10px; }
.vlc-widget .vlc-panel-user strong { font-size: 14px; color: #1a2238; }
.vlc-widget .vlc-avatar {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--vlc-light), var(--vlc-accent));
    color: #fff;
    overflow: hidden;
}
.vlc-widget .vlc-avatar svg { width: 20px; height: 20px; }
.vlc-widget .vlc-panel-close {
    min-width: 64px;
    min-height: 36px;
    padding: 8px 12px;
    border: 1px solid #fecaca;
    border-radius: 10px;
    background: #fee2e2;
    color: #991b1b;
    font: inherit;
    font-weight: 600;
    flex-shrink: 0;
    cursor: pointer;
}

/* ==========================================================================
   Start form
   ========================================================================== */

.vlc-widget .vlc-start {
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
    min-height: 0;
    gap: 4px;
}
.vlc-widget .vlc-start[hidden] { display: none; }
.vlc-widget .vlc-welcome { padding: 4px 0 12px; }
.vlc-widget .vlc-eyebrow { display: block; font-size: 11px; color: var(--vlc-accent); font-weight: 600; }
.vlc-widget .vlc-welcome h2 { font-size: 22px; margin: 8px 0; color: #1a2238; letter-spacing: -.5px; }
.vlc-widget .vlc-welcome p { color: #6b7280; font-size: 12px; margin: 0; }
.vlc-widget .vlc-privacy { font-size: 11px; color: #6b7280; background: #f6f8fc; padding: 10px; border-radius: 10px; margin: 0 0 12px; }

.vlc-widget .vlc-form-label { font-size: 12px; font-weight: 600; color: #4a5268; margin-top: 4px; }
.vlc-widget .vlc-form-input {
    padding: 10px 14px;
    border: 1px solid #e8ecf3;
    border-radius: 12px;
    background: #f8f9ff;
    font: inherit;
    color: #1a2238;
    outline: none;
    transition: border-color .18s, box-shadow .18s;
}
.vlc-widget .vlc-form-input:focus {
    border-color: var(--vlc-accent);
    box-shadow: 0 0 0 3px rgba(var(--vlc-rgb),.15);
    background: #fff;
}
.vlc-widget .vlc-form-input[type="tel"] { direction: ltr; text-align: right; }

.vlc-widget .vlc-avatar-picker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.vlc-widget .vlc-avatar-option {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: transparent;
    padding: 0;
    cursor: pointer;
    overflow: hidden;
    transition: border-color .18s;
}
.vlc-widget .vlc-avatar-option img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.vlc-widget .vlc-avatar-option.is-selected { border-color: var(--vlc-accent); }

.vlc-widget .vlc-privacy-link { margin: 4px 0 8px; font-size: 12px; }
.vlc-widget .vlc-privacy-link a { color: var(--vlc-accent); }

.vlc-widget .vlc-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 12px;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background .18s, transform .18s;
}
.vlc-widget .vlc-btn-primary {
    background: linear-gradient(135deg, var(--vlc-accent), var(--vlc-end));
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--vlc-rgb),.3);
    margin-top: 8px;
}
.vlc-widget .vlc-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(var(--vlc-rgb),.4); }
.vlc-widget .vlc-btn-ghost { background: #f5f6fa; color: #4a5268; }
.vlc-widget .vlc-btn-ghost:hover { background: #e9ebf3; }

/* ==========================================================================
   Chat area
   ========================================================================== */

.vlc-widget .vlc-chat {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.vlc-widget .vlc-chat[hidden] { display: none; }

.vlc-widget .vlc-message-viewport {
    position: relative;
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    background: #fafbff;
}
.vlc-widget .vlc-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scrollbar-width: thin;
    scrollbar-color: #c7d0df transparent;
}

/* Bubbles — correct alignment */
.vlc-widget .vlc-msg {
    max-width: 82%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.7;
    overflow-wrap: anywhere;
}
.vlc-widget .vlc-msg p { margin: 0; white-space: pre-wrap; }
.vlc-widget .vlc-msg small { display: block; font-size: 10px; opacity: .75; margin-top: 3px; }

/* Visitor — own messages on the right in RTL */
.vlc-widget .vlc-msg.vlc-msg-visitor {
    align-self: flex-start;
    background: linear-gradient(135deg, var(--vlc-accent), var(--vlc-end));
    border: 0;
    color: #fff;
    border-bottom-inline-start-radius: 4px;
}

/* Operator — incoming messages on the left in RTL */
.vlc-widget .vlc-msg.vlc-msg-operator {
    align-self: flex-end;
    background: #fff;
    color: #1e293b;
    border: 1px solid #e8ecf3;
    border-bottom-inline-end-radius: 4px;
}

.vlc-widget .vlc-msg-sender { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; font-size: 11px; color: #596579; }
.vlc-widget .vlc-msg-sender img { display: block; width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; }
.vlc-widget .vlc-msg.vlc-pending { opacity: .65; }

.vlc-widget .vlc-day-divider {
    align-self: center;
    background: #eef0f4;
    color: #6b7280;
    padding: 3px 12px;
    border-radius: 99px;
    font-size: 11px;
    margin: 4px 0;
}

.vlc-widget .vlc-latest,
.vlc-widget .vlc-typing {
    position: absolute;
    bottom: 10px;
    z-index: 2;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 99px;
    background: rgba(255,255,255,.92);
    border: 1px solid #e8ecf3;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.vlc-widget .vlc-latest { inset-inline-start: 10px; cursor: pointer; color: var(--vlc-accent); font-weight: 600; }
.vlc-widget .vlc-latest[hidden] { display: none; }
.vlc-widget .vlc-typing { inset-inline-end: 10px; color: #4a5268; max-width: 55%; pointer-events: none; }
.vlc-widget .vlc-typing:empty { display: none; }

/* Composer */
.vlc-widget .vlc-compose {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-top: 1px solid #e8ecf3;
    background: #fff;
    flex-shrink: 0;
}
.vlc-widget .vlc-compose textarea {
    order: 0;
    flex: 1;
    min-width: 0;
    min-height: 40px;
    max-height: 112px;
    padding: 8px 12px;
    border: 1px solid #e8ecf3;
    border-radius: 14px;
    background: #f8f9ff;
    resize: none;
    font: inherit;
    color: #1a2238;
    outline: none;
    line-height: 24px;
    overflow-y: auto;
}
.vlc-widget .vlc-compose textarea:focus {
    border-color: var(--vlc-accent);
    box-shadow: 0 0 0 3px rgba(var(--vlc-rgb),.15);
}
.vlc-widget .vlc-count {
    order: 2;
    font-size: 10px;
    color: #8892a6;
    margin-inline-start: auto;
    direction: ltr;
}
.vlc-widget .vlc-send-btn {
    order: 3;
    padding: 6px 12px;
    min-height: 34px;
    border-radius: 16px;
}
.vlc-widget .vlc-send-btn[hidden] { display: none !important; }
.vlc-widget .vlc-send-state {
    order: 4;
    font-size: 10px;
    color: #6b7280;
    width: 100%;
    min-height: 1em;
}

.vlc-widget .vlc-history-btn { align-self: center; margin: 8px; font-size: 11px; }

.vlc-widget .vlc-error {
    padding: 8px 16px;
    margin: 0;
    font-size: 12px;
    color: #b91c1c;
    background: #fef2f2;
    border-top: 1px solid #fecaca;
}
.vlc-widget .vlc-error:empty { display: none; }

/* Emoji picker */
.vlc-widget .vlc-emoji-tools { position: relative; order: 1; }
.vlc-widget .vlc-emoji-tools button {
    border: 0;
    background: transparent;
    color: #4a5268;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
}
.vlc-widget .vlc-emoji-tools button:hover { background: #f5f6fa; }
.vlc-widget .vlc-emojis {
    position: absolute;
    bottom: 44px;
    inset-inline-end: 0;
    width: 232px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 8px;
    background: #fff;
    border: 1px solid #e8ecf3;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(15,23,42,.1);
    z-index: 5;
    gap: 2px;
}
.vlc-widget .vlc-emojis[hidden] { display: none; }
.vlc-widget .vlc-emojis button {
    width: 100%;
    height: 40px;
    padding: 0;
    font-size: 20px;
    border: 0;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
}
.vlc-widget .vlc-emojis button:hover { background: #f5f6fa; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 480px) {
    .vlc-widget { bottom: 12px; inset-inline-end: 12px; }
    .vlc-widget .vlc-panel {
        width: auto;
        max-width: none;
        max-height: none;
        top: max(12px, env(safe-area-inset-top));
        bottom: max(12px, env(safe-area-inset-bottom));
        left: max(12px, env(safe-area-inset-left));
        right: max(12px, env(safe-area-inset-right));
        border-radius: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .vlc-widget *, .vlc-widget *::before, .vlc-widget *::after {
        animation: none !important;
        transition: none !important;
    }
}
/* Unified composer, matching the operator inbox. */
.vlc-widget .vlc-compose { position: relative; margin: 8px 10px; padding: 8px; border: 1px solid #e2e8f0; border-radius: 16px; background: #f8f9ff; }
.vlc-widget .vlc-compose:focus-within { border-color: var(--vlc-light); }
.vlc-widget .vlc-compose textarea { flex: 0 0 100%; width: 100%; height: 40px; box-sizing: border-box; border: 0; background: transparent; box-shadow: none; border-radius: 8px; }
.vlc-widget .vlc-compose textarea:focus { box-shadow: none; }
.vlc-widget .vlc-compose .vlc-emoji-tools { position: static; }
.vlc-widget .vlc-compose .vlc-emojis { inset-inline-start: 0; inset-inline-end: auto; bottom: calc(100% + 6px); width: 100%; box-sizing: border-box; grid-template-columns: repeat(auto-fit, minmax(32px, 1fr)); max-height: min(250px, 40vh); overflow-y: auto; overscroll-behavior: contain; }
.vlc-widget .vlc-compose .vlc-count { display: none; }
.vlc-widget .vlc-send-btn { margin-inline-start: auto; }
.vlc-widget .vlc-send-state:empty { display: none; }

/* Patch 26: compact controls and a dialog fitted to the visual viewport. */
.vlc-widget .vlc-panel-header { flex-shrink: 0; }
.vlc-widget .vlc-panel-close { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; font: 28px/1 Arial, sans-serif; }
.vlc-widget .vlc-start { padding: 14px 16px; }
.vlc-widget .vlc-messages, .vlc-widget .vlc-start { overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.vlc-widget .vlc-compose { padding: 5px 8px; gap: 4px; margin: 6px 10px; }
.vlc-widget .vlc-compose textarea { min-height: 36px; height: 36px; padding: 6px 8px; }
.vlc-widget .vlc-compose .vlc-send-btn { margin-top: 0; }
.vlc-widget .vlc-compose .vlc-send-state { min-height: 0; }
.vlc-widget .vlc-compose .vlc-emojis { grid-template-columns: repeat(auto-fit, minmax(38px, 1fr)); justify-items: center; }
.vlc-widget .vlc-compose .vlc-emojis button { width: 36px; height: 36px; min-width: 36px; padding: 0; border-radius: 50%; display: grid; place-items: center; line-height: 1; }
.vlc-widget .vlc-compose .vlc-emojis button.is-selected { background: rgba(var(--vlc-rgb), .14); box-shadow: inset 0 0 0 2px var(--vlc-accent); }
@media (max-width: 768px) {
    .vlc-widget .vlc-panel {
        box-sizing: border-box;
        top: calc(var(--vlc-visible-top, 0px) + max(6px, env(safe-area-inset-top)));
        height: calc(var(--vlc-visible-height, 100dvh) - max(6px, env(safe-area-inset-top)) - max(6px, env(safe-area-inset-bottom)));
        bottom: auto;
        max-height: none;
        width: auto;
        max-width: none;
        left: max(8px, env(safe-area-inset-left));
        right: max(8px, env(safe-area-inset-right));
        border-radius: 18px;
    }
    .vlc-widget .vlc-panel-header { padding: 8px 12px; }
    .vlc-widget .vlc-compose textarea, .vlc-widget .vlc-form-input { font-size: 16px; }
}

/* Patch 27: compact, single-row composer and bounded desktop dialog. */
.vlc-widget .vlc-start { overflow-x: hidden; min-width: 0; }
.vlc-widget .vlc-form-input { box-sizing: border-box; max-width: 100%; min-width: 0; }
.vlc-widget .vlc-privacy { background: transparent; border: 0; border-radius: 0; padding: 0; }
.vlc-widget .vlc-close-actions { display: flex; gap: 6px; flex-shrink: 0; }
.vlc-widget .vlc-close-label { width: auto; padding: 0 10px; font: inherit; font-size: 12px; }
.vlc-widget .vlc-compose { flex-wrap: nowrap; align-items: flex-end; }
.vlc-widget .vlc-compose textarea { flex: 1 1 0; width: 0; line-height: 24px; }
.vlc-widget .vlc-compose .vlc-emoji-tools,
.vlc-widget .vlc-compose .vlc-send-btn { flex-shrink: 0; }
.vlc-widget #vlc-send-state, .vlc-widget #vlc-history { display: none !important; }
@media (min-width: 769px) {
    .vlc-widget .vlc-panel { top: auto; bottom: 24px; height: 600px; max-height: calc(100dvh - 48px); }
}