.dev-modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: radial-gradient(circle at top, rgba(13, 32, 63, 0.95), rgba(2, 6, 16, 0.92));
    backdrop-filter: blur(8px);
    z-index: 12000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.dev-modal-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.dev-modal-overlay[aria-hidden="true"] {
    visibility: hidden;
}

.dev-modal-card {
    position: relative;
    width: 100%;
    max-width: 520px;
    padding: 2.5rem 3rem 2.25rem;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(17, 39, 85, 0.9), rgba(36, 75, 136, 0.95));
    box-shadow: 0 25px 60px rgba(5, 12, 31, 0.55);
    color: #f4f7ff;
    overflow: hidden;
}

.dev-modal-card::after {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.dev-modal-ribbon {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(255, 255, 255, 0.12);
    color: #cbd8ff;
    margin-bottom: 1.25rem;
}

.dev-modal-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: #ffcc6f;
    font-size: 1.75rem;
}

.dev-modal-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #ffffff;
}

.dev-modal-text {
    font-size: 1.05rem;
    line-height: 1.6;
    color: #d8e3ff;
    margin-bottom: 1.5rem;
}

.dev-modal-contact {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.25rem;
    border-radius: 18px;
    background: rgba(6, 17, 46, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.dev-modal-contact i {
    font-size: 1.3rem;
    color: #8ae0ff;
}

.dev-modal-contact small {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.7);
}

.dev-modal-contact a {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
}

.dev-modal-contact a:hover {
    color: #9ce0ff;
}

.dev-modal-countdown {
    margin-top: 1.75rem;
    padding: 1rem 1.25rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: opacity 0.3s ease;
}

.dev-modal-countdown[data-countdown-done="true"] {
    opacity: 0.35;
}

.dev-countdown-label {
    font-size: 0.95rem;
    color: #cfd9ff;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.dev-countdown-value {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 1.8rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: #ffffff;
}

.dev-countdown-value span:last-child {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.dev-modal-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.dev-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-size: 1.4rem;
    cursor: not-allowed;
    opacity: 0;
    transform: translateY(-6px) scale(0.85);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease, color 0.2s ease;
    z-index: 1;
}

.dev-modal-close:focus-visible {
    outline: 2px solid #7dc7ff;
    outline-offset: 2px;
}

.dev-modal-overlay.is-closable .dev-modal-close {
    opacity: 1;
    cursor: pointer;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.dev-modal-overlay.is-closable .dev-modal-close:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.dev-modal-open {
    overflow: hidden;
}

@media (max-width: 576px) {
    .dev-modal-overlay {
        padding: 1.5rem;
    }

    .dev-modal-card {
        padding: 2rem 1.75rem 1.75rem;
        border-radius: 22px;
    }

    .dev-modal-title {
        font-size: 1.6rem;
    }

    .dev-modal-contact {
        flex-direction: column;
        align-items: flex-start;
    }

    .dev-countdown-label {
        font-size: 0.8rem;
    }

    .dev-countdown-value {
        font-size: 1.5rem;
    }
}