/* Telegram channel promo — bottom-right toast for guests */
.tg-promo-root {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 200;
    width: min(100vw - 2rem, 340px);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) translateX(8px);
    transition:
        opacity 0.35s ease,
        visibility 0.35s ease,
        transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.tg-promo-root.is-visible {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) translateX(0);
}

.tg-promo-card {
    position: relative;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(34, 158, 217, 0.45),
        rgba(168, 85, 247, 0.35),
        rgba(255, 255, 255, 0.1)
    );
    box-shadow:
        0 16px 48px -16px rgba(0, 0, 0, 0.75),
        0 0 32px -12px rgba(168, 85, 247, 0.25);
}

.tg-promo-inner {
    position: relative;
    overflow: hidden;
    border-radius: calc(1rem - 1px);
    background: rgba(12, 12, 18, 0.94);
    backdrop-filter: blur(20px) saturate(160%);
    padding: 0.9rem 1rem 1rem;
}

.tg-promo-glow {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.tg-promo-close {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    width: 1.65rem;
    height: 1.65rem;
    border-radius: 0.45rem;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
    z-index: 2;
    padding: 0;
}

.tg-promo-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.tg-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.55rem;
    margin-bottom: 0.45rem;
    border-radius: 999px;
    font-size: 0.5625rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #7dd3fc;
    background: rgba(34, 158, 217, 0.1);
    border: 1px solid rgba(34, 158, 217, 0.22);
}

.tg-promo-badge-dot {
    width: 0.3rem;
    height: 0.3rem;
    border-radius: 50%;
    background: #38bdf8;
    box-shadow: 0 0 6px #38bdf8;
    animation: tg-promo-blink 1.5s ease-in-out infinite;
}

@keyframes tg-promo-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.tg-promo-title {
    font-family: 'Unbounded', 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 1.75rem 0.35rem 0;
    color: #fff;
}

.tg-promo-title span {
    color: #7dd3fc;
}

.tg-promo-text {
    font-size: 0.75rem;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 0.75rem;
    padding-right: 0.25rem;
}

.tg-promo-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tg-promo-btn-primary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.85rem;
    border-radius: 0.65rem;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #2aabee 0%, #229ed9 100%);
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 20px -8px rgba(34, 158, 217, 0.55);
    white-space: nowrap;
}

.tg-promo-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px -10px rgba(34, 158, 217, 0.65);
}

@media (max-width: 480px) {
    .tg-promo-root {
        right: 0.75rem;
        bottom: 0.75rem;
        width: min(100vw - 1.5rem, 340px);
    }
}