/* Floating Telegram support button — shared on all pages */
.tg-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    background: linear-gradient(135deg, #2aabee, #229ed9);
    color: #fff;
    border-radius: 100px;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(34, 158, 217, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
.tg-fab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: 0 0 0 0 rgba(42, 171, 238, 0.55);
    animation: tg-fab-pulse 2.2s ease-out infinite;
    pointer-events: none;
}
.tg-fab:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 30px rgba(34, 158, 217, 0.55);
}
.tg-fab:active { transform: translateY(0) scale(0.98); }
.tg-fab-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.tg-fab-text { white-space: nowrap; }
@keyframes tg-fab-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(42, 171, 238, 0.55); }
    70%  { box-shadow: 0 0 0 18px rgba(42, 171, 238, 0); }
    100% { box-shadow: 0 0 0 0 rgba(42, 171, 238, 0); }
}
@media (max-width: 640px) {
    .tg-fab { padding: 12px 14px; bottom: 16px; right: 16px; }
    .tg-fab-text { display: none; }
}