.slmtk-chat-widget {
    position: fixed;
    bottom: 24px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: inherit;
}

.slmtk-position-right { right: 24px; }
.slmtk-position-left  { left: 24px; }

/* ---------- انیمیشن ظاهر شدن ویجت ---------- */
.slmtk-chat-widget.slmtk-entrance-pending {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
}

.slmtk-chat-widget.slmtk-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: auto;
}

/* ---------- انیمیشن لرزش (جلب توجه) ---------- */
@keyframes slmtk-shake-kf {
    0%, 100% { transform: rotate(0deg); }
    15%      { transform: rotate(-10deg); }
    30%      { transform: rotate(9deg); }
    45%      { transform: rotate(-7deg); }
    60%      { transform: rotate(5deg); }
    75%      { transform: rotate(-3deg); }
}

.slmtk-chat-toggle.slmtk-shake {
    animation: slmtk-shake-kf 0.8s ease;
}

/* ---------- حباب خوش‌آمدگویی ---------- */
.slmtk-welcome-bubble {
    position: absolute;
    bottom: 70px;
    max-width: 220px;
    background: #fff;
    color: #222;
    padding: 10px 14px;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    font-size: 13px;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
}

.slmtk-position-right .slmtk-welcome-bubble { right: 0; }
.slmtk-position-left .slmtk-welcome-bubble  { left: 0; }

.slmtk-welcome-bubble.slmtk-bubble-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.slmtk-bubble-close {
    background: none;
    border: none;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    color: #999;
    padding: 0 0 0 4px;
}

.slmtk-bubble-close:hover {
    color: #333;
}

.slmtk-chat-toggle {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--slmtk-main-color, #25D366);
    border: none;
    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    transition: transform 0.2s ease;
}

.slmtk-chat-toggle:hover {
    transform: scale(1.08);
}

.slmtk-chat-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.25s ease, opacity 0.25s ease;
}

.slmtk-chat-widget.slmtk-open .slmtk-chat-list {
    max-height: 400px;
    opacity: 1;
}

.slmtk-chat-item {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.slmtk-chat-item img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.slmtk-fallback-letter {
    font-weight: bold;
    font-size: 18px;
    color: #333;
}

.slmtk-tooltip {
    position: absolute;
    white-space: nowrap;
    background: #222;
    color: #fff;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    top: 50%;
    transform: translateY(-50%);
}

.slmtk-position-right .slmtk-tooltip { right: 58px; }
.slmtk-position-left .slmtk-tooltip  { left: 58px; }

.slmtk-chat-item:hover .slmtk-tooltip {
    opacity: 1;
}

@media (max-width: 480px) {
    .slmtk-chat-toggle { width: 52px; height: 52px; font-size: 22px; }
    .slmtk-chat-item { width: 42px; height: 42px; }
}