.btn-microsoft {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 48px;
    padding: 12px 18px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: #ffffff;
    color: #1b1b1b;
    font-family: var(--font-mv, "Segoe UI", system-ui, sans-serif);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 8px 24px -16px rgba(0, 0, 0, 0.55);
    position: relative;
    z-index: 1;
}

.btn-microsoft:hover {
    background: #f7f7f7;
    box-shadow: 0 10px 28px -14px rgba(0, 0, 0, 0.6);
}

.btn-microsoft:active {
    transform: translateY(1px);
}

.btn-microsoft:focus-visible {
    outline: 2px solid #f5a623;
    outline-offset: 3px;
}

.btn-microsoft:disabled,
.btn-microsoft.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-microsoft .microsoft-logo {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.login-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: #6a7891;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    z-index: 1;
}

.login-divider::before,
.login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.login-microsoft-hint {
    margin-top: 14px;
    color: #8b98ad;
    font-size: 0.82rem;
    line-height: 1.5;
    text-align: center;
    position: relative;
    z-index: 1;
}